{"id":42388,"date":"2025-06-22T18:09:54","date_gmt":"2025-06-22T09:09:54","guid":{"rendered":"https:\/\/jouhou.main.jp\/?p=42388"},"modified":"2026-01-23T19:34:26","modified_gmt":"2026-01-23T10:34:26","slug":"linux-einval-22-%e5%af%be%e7%ad%96%ef%bc%9ainvalid-argument-%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e5%8e%9f%e5%9b%a0%e8%a7%a3%e6%9e%90%e3%81%a8%e8%87%aa%e5%8b%95%e4%bf%ae%e6%ad%a3%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/jouhou.main.jp\/?p=42388","title":{"rendered":"Linux EINVAL (22) \u5bfe\u7b56\uff1aInvalid argument \u30a8\u30e9\u30fc\u306e\u539f\u56e0\u89e3\u6790\u3068\u81ea\u52d5\u4fee\u6b63\u7de8"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"42388\" class=\"elementor elementor-42388\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-48e5441 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"48e5441\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-913179b\" data-id=\"913179b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e0ad087 elementor-widget elementor-widget-html\" data-id=\"e0ad087\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<section style=\"max-width:100%; box-sizing:border-box; overflow:visible; padding:14px; border:1px solid #e5e7eb; border-radius:3px; background:#ffffff; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,'Hiragino Kaku Gothic ProN','Noto Sans JP',Meiryo,sans-serif; line-height:1.6;\">\r\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n    <div style=\"display:inline-block; padding:4px 8px; border-radius:3px; background:#111827; color:#ffffff; font-size:12px; font-weight:700; letter-spacing:0.02em; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u6700\u77ed\u30c1\u30a7\u30c3\u30af<\/div>\r\n    <div style=\"height:8px; max-width:100%; box-sizing:border-box; overflow:visible;\"><\/div>\r\n    <div style=\"font-size:18px; font-weight:800; margin:0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">EINVAL (22)\u300cInvalid argument\u300d\u3092\u6700\u77ed\u3067\u5207\u308a\u5206\u3051\u308b<\/div>\r\n    <div style=\"margin-top:6px; font-size:13px; color:#374151; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\r\n      \u3060\u3044\u305f\u3044\u306f\u300c\u5f15\u6570\u306e\u5f62\u304c\u9055\u3046\u300d\u300c\u30d1\u30b9\u3084\u6587\u5b57\u304c\u60f3\u5b9a\u5916\u300d\u300cFS\/\u5171\u6709\/\u5883\u754c\u3067\u7981\u6b62\u300d\u306e\u3069\u308c\u304b\u3067\u3059\u3002\u307e\u305a\u306f\u201c\u5931\u6557\u5730\u70b9\u201d\u3092\u7279\u5b9a\u3057\u3066\u3001\u6700\u5c0f\u5909\u66f4\u3067\u53ce\u675f\u3055\u305b\u307e\u3059\u3002\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; background:#f9fafb; padding:12px;\">\r\n    <div style=\"display:flex; gap:10px; align-items:flex-start; max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n      <span style=\"display:inline-block; background:#dc2626; color:#ffffff; border-radius:3px; padding:2px 6px; font-size:12px; font-weight:800; line-height:1.4; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">1<\/span>\r\n      <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n        <div style=\"font-size:14px; font-weight:800; margin:0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">30\u79d2\u3067\u539f\u56e0\u3092\u7d5e\u308b\uff08\u8aad\u3080\u3060\u3051\u3067OK\uff09<\/div>\r\n        <div style=\"margin-top:6px; font-size:13px; color:#374151; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\r\n          \u300c\u8ab0\u306e\u6a29\u9650\u3067\u300d\u300c\u3069\u306e\u30d1\u30b9\/\u5f15\u6570\u3067\u300d\u300c\u3069\u306e\u30b3\u30de\u30f3\u30c9\u304c\u300dEINVAL\u306b\u306a\u3063\u305f\u304b\u3092\u5148\u306b\u56fa\u5b9a\u3057\u307e\u3059\u3002\r\n        <\/div>\r\n        <pre style=\"background:#111827; color:#ffffff; padding:10px; border-radius:3px; font-size:13px; line-height:1.5; margin:10px 0 0 0; max-width:100%; box-sizing:border-box; overflow:visible; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;\">id\r\npwd\r\ncommand -V \u5bfe\u8c61\u30b3\u30de\u30f3\u30c9 || type -a \u5bfe\u8c61\u30b3\u30de\u30f3\u30c9\r\nnamei -l \u5bfe\u8c61\u30d1\u30b9\r\nls -ld \u5bfe\u8c61\u30d1\u30b9 \u89aa\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/pre>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; background:#ffffff; padding:12px;\">\r\n    <div style=\"display:flex; gap:10px; align-items:flex-start; max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n      <span style=\"display:inline-block; background:#16a34a; color:#ffffff; border-radius:3px; padding:2px 6px; font-size:12px; font-weight:800; line-height:1.4; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">2<\/span>\r\n      <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n        <div style=\"font-size:14px; font-weight:800; margin:0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u75c7\u72b6\u5225\uff1a\u3044\u307e\u306e\u5931\u6557\u306b\u5408\u3046\u6700\u77ed\u30b3\u30de\u30f3\u30c9<\/div>\r\n        <div style=\"margin-top:6px; font-size:13px; color:#374151; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\r\n          \u307e\u305a\u306f\u300c\u5931\u6557\u3057\u305f\u5f15\u6570\u300d\u3092\u898b\u3048\u308b\u5316\u3057\u3066\u3001EINVAL\u3092\u8fd4\u3057\u305f\u201c\u76f4\u524d\u201d\u3092\u53d6\u308a\u307e\u3059\u3002\r\n        <\/div>\r\n        <pre style=\"background:#111827; color:#ffffff; padding:10px; border-radius:3px; font-size:13px; line-height:1.5; margin:10px 0 0 0; max-width:100%; box-sizing:border-box; overflow:visible; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;\"># (A) \u30aa\u30d7\u30b7\u30e7\u30f3\/\u5f15\u6570\u306e\u5f62\u304c\u9055\u3046\uff08\u9806\u756a\u30fb\u578b\u30fb\u7bc4\u56f2\uff09\r\n\u5bfe\u8c61\u30b3\u30de\u30f3\u30c9 --help | sed -n '1,120p'\r\nman \u5bfe\u8c61\u30b3\u30de\u30f3\u30c9 | sed -n '1,160p'\r\nprintf '%q\\n' \"$\u7591\u308f\u3057\u3044\u5909\u6570\" | sed -n '1,5p'\r\n\r\n# (B) \u5909\u6570\u306b\u6539\u884c\/\u5168\u89d2\/\u4e0d\u53ef\u8996\u6587\u5b57\u304c\u6df7\u3056\u3063\u3066\u3044\u308b\uff08\u7a7a\u6587\u5b57\u3082\u542b\u3080\uff09\r\nprintf '%s' \"$\u7591\u308f\u3057\u3044\u5909\u6570\" | hexdump -C | sed -n '1,6p'\r\nprintf '%s\\n' \"$\u7591\u308f\u3057\u3044\u30d1\u30b9\" | cat -A | sed -n '1,3p'\r\n\r\n# (C) FS\/\u5171\u6709\/\u5883\u754c\u3067\u7981\u6b62\u3055\u308c\u3066\u3044\u308b\uff08NFS\/\u30b3\u30f3\u30c6\u30ca\/\u7279\u6b8aFS\/\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\r\nfindmnt -T \u5bfe\u8c61\u30d1\u30b9\r\nstat -f -c '%T %a %S %m' \u5bfe\u8c61\u30d1\u30b9\r\nmount | sed -n '1,200p'\r\n\r\n# (D) \u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL\u304b\u5206\u304b\u3089\u306a\u3044\uff08\u307e\u305a\u5931\u6557\u5730\u70b9\u3060\u3051\u7279\u5b9a\uff09\r\nstrace -f -o \/tmp\/einval.trace -s 200 -yy \u5bfe\u8c61\u30b3\u30de\u30f3\u30c9 \u5f15\u65701 \u5f15\u65702\r\ntail -n 80 \/tmp\/einval.trace<\/pre>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; background:#f9fafb; padding:12px;\">\r\n    <div style=\"display:flex; gap:10px; align-items:flex-start; max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n      <span style=\"display:inline-block; background:#2563eb; color:#ffffff; border-radius:3px; padding:2px 6px; font-size:12px; font-weight:800; line-height:1.4; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">3<\/span>\r\n      <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n        <div style=\"font-size:14px; font-weight:800; margin:0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u76f4\u3059\u524d\u306b\uff1a\u5f71\u97ff\u7bc4\u56f2\u30921\u5206\u3067\u78ba\u8a8d\uff08\u3084\u308a\u904e\u304e\u9632\u6b62\uff09<\/div>\r\n        <div style=\"margin-top:6px; font-size:13px; color:#374151; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\r\n          \u201c\u3069\u3053\u307e\u3067\u5909\u308f\u308b\u304b\u201d\u304c\u898b\u3048\u305f\u72b6\u614b\u3067\u3001\u6700\u5c0f\u306e\u4fee\u6b63\u3060\u3051\u306b\u7d5e\u308b\u3068\u5b89\u5168\u3067\u3059\u3002\r\n        <\/div>\r\n        <pre style=\"background:#111827; color:#ffffff; padding:10px; border-radius:3px; font-size:13px; line-height:1.5; margin:10px 0 0 0; max-width:100%; box-sizing:border-box; overflow:visible; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;\"># \u5bfe\u8c61\u306e\u73fe\u72b6\uff08\u74b0\u5883\u30fb\u6a29\u9650\u30fb\u5230\u9054\u70b9\uff09\r\ndate; uname -a\r\nwhoami; id\r\npwd\r\n\r\n# \u5bfe\u8c61\u306e\u201c\u5883\u754c\u201d\u78ba\u8a8d\uff08\u5171\u6709\/\u30de\u30a6\u30f3\u30c8\/\u30b3\u30f3\u30c6\u30ca\u306e\u6c17\u914d\uff09\r\nfindmnt -T \u5bfe\u8c61\u30d1\u30b9\r\ndf -hT \u5bfe\u8c61\u30d1\u30b9\r\nls -ld \u5bfe\u8c61\u30d1\u30b9 \u89aa\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\r\n\r\n# \u5909\u66f4\u524d\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\uff08\u6a29\u9650\/ACL\/\u5c5e\u6027\uff09\r\ngetfacl -p \u5bfe\u8c61\u30d1\u30b9 2>\/dev\/null | sed -n '1,160p'\r\nlsattr -a \u5bfe\u8c61\u30d1\u30b9 2>\/dev\/null || true<\/pre>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #fed7aa; border-radius:3px; background:#fff7ed; padding:12px;\">\r\n    <div style=\"font-size:14px; font-weight:900; margin:0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u5931\u6557\u3059\u308b\u3068\u3069\u3046\u306a\u308b\uff1f\uff08\u3084\u308a\u304c\u3061\u306a\u30df\u30b9\u3068\u8d77\u3053\u308a\u5f97\u308b\u7d50\u679c\uff09<\/div>\r\n    <ul style=\"margin:8px 0 0 18px; padding:0; color:#7c2d12; font-size:13px; max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n      <li style=\"margin:6px 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u6a29\u9650\u3092\u5e83\u3052\u3059\u304e\u308b \u2192 \u60c5\u5831\u6f0f\u3048\u3044\/\u6539\u3056\u3093<\/li>\r\n      <li style=\"margin:6px 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u6240\u6709\u8005\u3092\u5909\u3048\u3059\u304e\u308b \u2192 \u4e8c\u6b21\u969c\u5bb3\uff08\u505c\u6b62\u30fb\u30a8\u30e9\u30fc\u9023\u9396\uff09<\/li>\r\n      <li style=\"margin:6px 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">ACL\/\u4fdd\u8b77\u8a2d\u5b9a\u3092\u7121\u9020\u4f5c\u306b\u5916\u3059 \u2192 \u76e3\u67fb\u6307\u6458\/\u518d\u767a\/\u8ffd\u8de1\u4e0d\u80fd<\/li>\r\n      <li style=\"margin:6px 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u5171\u6709\/NFS\/\u30b3\u30f3\u30c6\u30ca\u5883\u754c\u306e\u898b\u843d\u3068\u3057 \u2192 \u5fa9\u65e7\u9577\u671f\u5316<\/li>\r\n    <\/ul>\r\n  <\/div>\r\n\r\n  <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; background:#ffffff; padding:12px;\">\r\n    <div style=\"font-size:14px; font-weight:900; margin:0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u8ff7\u3063\u305f\u3089\uff1a\u7121\u6599\u3067\u76f8\u8ac7\u3067\u304d\u307e\u3059<\/div>\r\n    <div style=\"margin-top:8px; font-size:12px; color:#4b5563; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\r\n      \u65e9\u304f\u53ce\u675f\u3055\u305b\u305f\u3044\u3068\u304d\u306f\u3001\u5224\u65ad\u304c\u63fa\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u3060\u3051\u6301\u3061\u8fbc\u3080\u306e\u304c\u8fd1\u9053\u3067\u3059\u3002<strong>\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u7121\u6599\u76f8\u8ac7 \u3057\u3066\u3001\u6700\u5c0f\u5909\u66f4\u3067\u306e\u7740\u5730\u70b9\u3092\u4e00\u7dd2\u306b\u6c7a\u3081\u3089\u308c\u307e\u3059\u3002\r\n    <\/div>\r\n    <div style=\"margin-top:10px; font-size:13px; color:#374151; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\r\n      \u30fb\u3069\u306e\u5f15\u6570\u304c\u60aa\u3044\u304b\u7279\u5b9a\u3067\u304d\u306a\u3044\u3067\u8ff7\u3063\u305f\u3089\u3002<br\/>\r\n      \u30fb\u5909\u6570\u306b\u6539\u884c\u3084\u4e0d\u53ef\u8996\u6587\u5b57\u304c\u6df7\u3056\u308b\u304b\u8ff7\u3063\u305f\u3089\u3002<br\/>\r\n      \u30fb\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3084FS\u5236\u7d04\u304c\u7d61\u3080\u304b\u5224\u65ad\u3067\u8ff7\u3063\u305f\u3089\u3002<br\/>\r\n      \u30fbprocfs\/sysfs\u3078\u66f8\u304d\u8fbc\u3080\u5024\u306e\u59a5\u5f53\u6027\u304c\u8a3a\u65ad\u3067\u304d\u306a\u3044\u3002<br\/>\r\n      \u30fb\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u672c\u756a\u30c7\u30fc\u30bf\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u7121\u7406\u306b\u6a29\u9650\u3092\u89e6\u308b\u524d\u306b\u76f8\u8ac7\u3059\u308b\u3068\u65e9\u304f\u53ce\u675f\u3057\u3084\u3059\u3044\u3067\u3059\u3002<br\/>\r\n      \u30fbstrace\u306e\u7d50\u679c\u3092\u3069\u3046\u8aad\u3081\u3070\u3044\u3044\u304b\u8ff7\u3063\u305f\u3089\u3002<br\/>\r\n      \u30fb\u6700\u5c0f\u5909\u66f4\u306e\u201c\u843d\u3068\u3057\u3069\u3053\u308d\u201d\u304c\u6c7a\u3081\u3089\u308c\u306a\u3044\u3067\u8ff7\u3063\u305f\u3089\u3002<br\/>\r\n      \u30fb\u5fa9\u65e7\u512a\u5148\u304b\u6052\u4e45\u5bfe\u7b56\u512a\u5148\u304b\u306e\u5224\u65ad\u3067\u8ff7\u3063\u305f\u3089\u3002\r\n    <\/div>\r\n\r\n    <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible;\">\r\n      <a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\" style=\"display:inline-block; text-decoration:none; padding:10px 12px; border-radius:3px; background:#2563eb; color:#ffffff; font-weight:800; font-size:13px; margin:6px 8px 0 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u7121\u6599\u76f8\u8ac7\u30d5\u30a9\u30fc\u30e0<\/a>\r\n      <a href=\"tel:0120838831\" style=\"display:inline-block; text-decoration:none; padding:10px 12px; border-radius:3px; background:#1e3a8a; color:#ffffff; font-weight:800; font-size:13px; margin:6px 8px 0 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u96fb\u8a71\u3067\u76f8\u8ac7\uff080120-838-831\uff09<\/a>\r\n      <a href=\"tel:0434224240\" style=\"display:inline-block; text-decoration:none; padding:10px 12px; border-radius:3px; background:#0b1f4b; color:#ffffff; font-weight:800; font-size:13px; margin:6px 0 0 0; overflow-wrap:anywhere; max-width:100%; box-sizing:border-box;\">\u6280\u8853\u8005\u76f4\u901a\uff08043-422-4240\uff09<\/a>\r\n    <\/div>\r\n  <\/div>\r\n<\/section>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9a184e5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9a184e5\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f4354b7\" data-id=\"f4354b7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e0d7dd1 elementor-widget elementor-widget-heading\" data-id=\"e0d7dd1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u6839\u672c\u7684\u306a\u539f\u56e0\u306e\u7a76\u660e\u3068BCP\u5bfe\u7b56\u306f\u4ee5\u4e0b\u672c\u6587\u3078\u3002<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4131683 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4131683\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c586c30\" data-id=\"c586c30\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8e15e21 elementor-widget elementor-widget-html\" data-id=\"8e15e21\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\r\n\r\n<div style=\"margin:0; padding:30pt; background-color:#EEEEEE;\"> <p style=\"margin:0 0 8px 0; font-size:1.2em;\"><strong>\u3082\u304f\u3058<\/strong><\/p> <ul style=\"list-style-type:none; padding-left:0; margin:0;\"> <li style=\"margin:40px 0;\"><a href=\"#sec01\">\u307e\u305fEINVAL(22)\u304b\u2500\u2500\u300cInvalid argument\u300d\u306e\u4e00\u8a00\u3067\u591c\u304c\u6eb6\u3051\u308b\uff08\u66f8\u304d\u51fa\u3057\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec02\">EINVAL\u306f\u201c\u539f\u56e0\u201d\u3067\u306f\u306a\u304f\u5951\u7d04\u9055\u53cd\u2500\u2500\u3069\u306eAPI\u306e\u524d\u63d0\u3092\u7834\u3063\u305f\u306e\u304b\u3092\u7279\u5b9a\u3059\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec03\">\u307e\u305a\u5c64\u3067\u5206\u89e3\u3059\u308b\u2500\u2500\u30a2\u30d7\u30ea\uff0fglibc\uff0f\u30ab\u30fc\u30cd\u30eb\uff0f\u30c9\u30e9\u30a4\u30d0\u3067\u201c\u540c\u305822\u201d\u306e\u610f\u5473\u304c\u5909\u308f\u308b\uff08\u4f0f\u7dda\u2460\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec04\">\u518d\u73fe\u3067\u304d\u306a\u3044\u3068\u8a70\u3080\u2500\u2500\u5165\u529b\u30fb\u74b0\u5883\u30fb\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u56fa\u5b9a\u3057\u3066\u300c\u518d\u73fe\u6027\u300d\u3092\u4f5c\u308b\uff08\u4f0f\u7dda\u2461\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec05\">\u89b3\u6e2c\u3067\u52dd\u8ca0\u304c\u6c7a\u307e\u308b\u2500\u2500strace\u30fbperf\u30fb\u30ed\u30b0\u3067\u201c\u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL\u3092\u8fd4\u3057\u305f\u304b\u201d\u3092\u78ba\u5b9a\uff08\u4f0f\u7dda\u2462\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec06\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u96c6\u2460\uff1aopen\/mmap\/setsockopt\/ioctl\u306e\u5730\u96f7\u2500\u2500\u30b5\u30a4\u30ba\u30fb\u30d5\u30e9\u30b0\u30fb\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec07\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u96c6\u2461\uff1amount\u30fb\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u30fb\u30c7\u30d0\u30a4\u30b9\u5468\u308a\u2500\u2500\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u7ffb\u8a33\u30df\u30b9\u3068\u53e4\u3044\u524d\u63d0<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec08\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u96c6\u2462\uff1a\u30b3\u30f3\u30c6\u30ca\/Docker\/systemd\u2500\u2500\u540d\u524d\u7a7a\u9593\u30fb\u6a29\u9650\u30fb\u30ab\u30fc\u30cd\u30eb\u5dee\u5206\u304c\u201c\u5f15\u6570\u4e0d\u6b63\u201d\u306b\u898b\u305b\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec09\">\u81ea\u52d5\u4fee\u6b63\u306e\u8a2d\u8a08\u2500\u2500\u4e8b\u524d\u691c\u8a3c\u30fb\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30fb\u5b89\u5168\u306a\u518d\u8a66\u884c\u3067\u300c\u76f4\u3059\u4ed5\u7d44\u307f\u300d\u3092\u30b3\u30fc\u30c9\u5316\u3059\u308b\uff08\u4f0f\u7dda\u2463\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec10\">\u5e30\u7d50\uff1aEINVAL\u3092\u201c\u4ed5\u69d8\u306e\u7ffb\u8a33\u30df\u30b9\u691c\u77e5\u5668\u201d\u306b\u3059\u308b\u2500\u2500\u518d\u73fe\u2192\u89b3\u6e2c\u2192\u4fee\u6b63\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u591c\u9593\u5bfe\u5fdc\u3092\u6e1b\u3089\u3059\uff08\u5e30\u7d50\uff09<\/a><\/li> <\/ul> <\/div> \r\n\r\n\r\n\r\n<p><strong>\u3010\u6ce8\u610f\u3011<\/strong> \u672c\u756a\u74b0\u5883\u3067\u300cEINVAL(22): Invalid argument\u300d\u304c\u51fa\u305f\u3068\u304d\u3001\u81ea\u5df1\u6d41\u306e\u8a2d\u5b9a\u5909\u66f4\u30fb\u518d\u8a66\u884c\u30fb\u30de\u30a6\u30f3\u30c8\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u518d\u8a2d\u5b9a\u3092\u7e70\u308a\u8fd4\u3059\u3068\u3001\u539f\u56e0\u306e\u75d5\u8de1\u3092\u6d88\u3057\u305f\u308a\u5f71\u97ff\u7bc4\u56f2\u3092\u5e83\u3052\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u201c\u72b6\u6cc1\u4fdd\u5168\uff08\u8a3c\u62e0\u3092\u6b8b\u3059\uff09\u201d\u3092\u512a\u5148\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u4e8b\u696d\u8005\u3078\u76f8\u8ac7\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec01\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u307e\u305fEINVAL(22)\u304b\u2500\u2500\u300cInvalid argument\u300d\u306e\u4e00\u8a00\u3067\u591c\u304c\u6eb6\u3051\u308b<\/h2> <p>EINVAL(22)\u306f\u3001\u30ed\u30b0\u4e0a\u3067\u306f\u305f\u3063\u305f\u4e00\u8a00\u3067\u7247\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u3051\u308c\u3069\u73fe\u5834\u3067\u306f\u300c\u4f55\u304c\u60aa\u3044\u5f15\u6570\u306a\u306e\u304b\u300d\u3092\u6559\u3048\u3066\u304f\u308c\u306a\u3044\u307e\u307e\u3001\u30c7\u30d7\u30ed\u30a4\u3082\u904b\u7528\u3082\u6b62\u3081\u3089\u308c\u306a\u3044\u72b6\u6cc1\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u3057\u304b\u3082\u5f15\u6570\u306f\u201c\u5024\u305d\u306e\u3082\u306e\u201d\u3060\u3051\u3067\u306a\u304f\u3001\u30d5\u30e9\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b\u3001\u69cb\u9020\u4f53\u306e\u30b5\u30a4\u30ba\u3001\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\u3001\u547c\u3073\u51fa\u3057\u9806\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u5b9f\u88c5\u5dee\u5206\u307e\u3067\u542b\u307f\u307e\u3059\u3002<\/p> <p>\u5fc3\u306e\u4e2d\u3067\u3053\u3046\u601d\u3046\u306e\u306f\u81ea\u7136\u3067\u3059\u3002\u300c\u5f15\u6570\u3063\u3066\u4f55\uff1f\u5168\u90e8\u3061\u3083\u3093\u3068\u6e21\u3057\u3066\u308b\u306e\u306b\u300d\u300c\u6628\u65e5\u307e\u3067\u52d5\u3044\u3066\u305f\u306e\u306b\u300d\u3002\u305f\u3060\u3001\u3053\u306e\u6642\u70b9\u3067\u201c\u52d5\u304f\u307e\u3067\u8a66\u3059\u201d\u3092\u59cb\u3081\u308b\u3068\u3001\u969c\u5bb3\u304c\u9577\u5f15\u304d\u307e\u3059\u3002\u6700\u521d\u306e30\u79d2\u306f\u3001\u5fa9\u65e7\u4f5c\u696d\u3067\u306f\u306a\u304f<strong>\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>\u3067\u3059\u3002\u3084\u308b\u3053\u3068\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u2460\u7e70\u308a\u8fd4\u3057\u8a66\u3055\u306a\u3044 \u2461\u60c5\u5831\u3092\u56fa\u5b9a\u3057\u3066\u6b8b\u3059 \u2462\u5207\u308a\u5206\u3051\u306e\u9806\u756a\u3092\u5b88\u308b\u3001\u306e3\u3064\u3067\u3059\u3002<\/p> <hr> <p><strong>\u5192\u982d30\u79d2\u3067\u3084\u308b\u3079\u304d\u3053\u3068\uff08\u5b89\u5168\u306a\u521d\u52d5\uff09<\/strong><\/p> <ul> <li>\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u30b3\u30de\u30f3\u30c9\/API\u547c\u3073\u51fa\u3057\u3092\u3001\u5f15\u6570\u30fb\u74b0\u5883\u5909\u6570\u30fb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u5dee\u5206\u3054\u3068\u8a18\u9332\u3059\u308b\uff08\u30b3\u30d4\u30da\u3067\u304d\u308b\u5f62\u3067\u6b8b\u3059\uff09\u3002<\/li> <li>\u540c\u3058\u64cd\u4f5c\u306e\u201c\u9023\u6253\u201d\u3092\u6b62\u3081\u308b\uff08\u72b6\u614b\u304c\u5909\u308f\u308b\u7cfb\uff1amount\/umount\u3001\u8a2d\u5b9a\u53cd\u6620\u3001\u518d\u8d77\u52d5\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u518d\u8a2d\u5b9a\u306f\u7279\u306b\u5371\u967a\uff09\u3002<\/li> <li>\u30ed\u30b0\u3092\u78ba\u4fdd\u3059\u308b\uff1a\u30a2\u30d7\u30ea\u30ed\u30b0\u3001syslog\/journald\u3001dmesg\u3001\u8a72\u5f53\u30d7\u30ed\u30bb\u30b9\u306ePID\u3001\u5b9f\u884c\u30e6\u30fc\u30b6\u30fc\u3001\u30b3\u30f3\u30c6\u30ca\u306a\u3089\u30a4\u30e1\u30fc\u30b8\u30bf\u30b0\u30fb\u30e9\u30f3\u30bf\u30a4\u30e0\u3002<\/li> <li>\u30ab\u30fc\u30cd\u30eb\/OS\u306e\u4e8b\u5b9f\u3092\u56fa\u5b9a\u3059\u308b\uff1auname -a\u3001\/etc\/os-release\u3001\u30b3\u30f3\u30c6\u30ca\u306a\u3089\u30db\u30b9\u30c8\u5074\u3082\u542b\u3081\u308b\u3002<\/li> <li>\u53ef\u80fd\u306a\u3089\u300c\u540c\u3058\u6761\u4ef6\u3067\u518d\u73fe\u3059\u308b\u6700\u5c0f\u624b\u9806\u300d\u30921\u3064\u4f5c\u308b\uff08\u201c\u76f4\u3059\u201d\u3088\u308a\u5148\u306b\u201c\u518d\u73fe\u201d\uff09\u3002<\/li> <\/ul> <hr> <p><strong>\u75c7\u72b6 \u2192 \u53d6\u308b\u3079\u304d\u884c\u52d5\uff08\u6700\u521d\u306b\u7f6e\u304f\u5224\u65ad\u8868\uff09<\/strong><\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u75c7\u72b6\uff08\u3088\u304f\u3042\u308b\u51fa\u65b9\uff09<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u53d6\u308b\u3079\u304d\u884c\u52d5\uff08\u9806\u756a\u304c\u91cd\u8981\uff09<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u8a2d\u5b9a\u5909\u66f4\u306e\u76f4\u5f8c\u306b\u30b5\u30fc\u30d3\u30b9\u304c\u8d77\u52d5\u3057\u306a\u3044\uff08EINVAL\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\"> <ol> <li>\u76f4\u524d\u306e\u5dee\u5206\uff08\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\/\u74b0\u5883\u5909\u6570\/\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\uff09\u3092\u56fa\u5b9a\u3057\u3066\u4fdd\u5b58<\/li> <li>\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u5168\u4f53\u3092\u8a18\u9332\uff08systemd\u306a\u3089ExecStart\u3001Docker\u306a\u3089run\u5f15\u6570\uff09<\/li> <li>\u53ef\u80fd\u306a\u3089\u540c\u4e00\u30d0\u30a4\u30ca\u30ea\u3067\u300c\u5dee\u5206\u3060\u3051\u623b\u3059\u300d\u691c\u8a3c\u3092\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u5b9f\u65bd<\/li> <\/ol> <\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">mount\/umount\u3084\u30b9\u30c8\u30ec\u30fc\u30b8\u64cd\u4f5c\u3067EINVAL<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\"> <ol> <li>\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\u540d\u30fbUUID\u30fb\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a18\u9332\uff08\/etc\/fstab\u542b\u3080\uff09<\/li> <li>dmesg\u306e\u76f4\u8fd1\u884c\u3092\u78ba\u4fdd\uff08\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\/\u30c9\u30e9\u30a4\u30d0\u306e\u62d2\u5426\u7406\u7531\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b\uff09<\/li> <li>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u4e92\u63db\u6027\uff08\u30ab\u30fc\u30cd\u30eb\/FS\uff09\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u518d\u8a66\u884c<\/li> <\/ol> <\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\uff08setsockopt\u7b49\uff09\u3067EINVAL<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\"> <ol> <li>\u3069\u306e\u30bd\u30b1\u30c3\u30c8\u7a2e\u5225\u30fb\u3069\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u30fb\u3069\u306e\u5024\u304b\u3092\u30ed\u30b0\u5316<\/li> <li>OS\/\u30ab\u30fc\u30cd\u30eb\u5dee\u5206\uff08\u30c7\u30a3\u30b9\u30c8\u30ea\/\u30d0\u30fc\u30b8\u30e7\u30f3\uff09\u3092\u56fa\u5b9a<\/li> <li>\u540c\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u524d\u63d0\u6761\u4ef6\uff08\u6a29\u9650\u3001\u30ab\u30fc\u30cd\u30eb\u6a5f\u80fd\u3001\u5024\u57df\uff09\u3092man\u3067\u78ba\u8a8d<\/li> <\/ol> <\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">C\/C++\/Rust\u306a\u3069\u3067ioctl\u3084\u69cb\u9020\u4f53\u6e21\u3057\u3067EINVAL<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\"> <ol> <li>\u69cb\u9020\u4f53\u30b5\u30a4\u30ba\uff08sizeof\uff09\u3068\u521d\u671f\u5316\uff08\u30bc\u30ed\u57cb\u3081\uff09\u3092\u78ba\u8a8d<\/li> <li>\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\/\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u578b\/\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u5206\u3092\u78ba\u8a8d<\/li> <li>strace\u3067\u5b9f\u969b\u306b\u30ab\u30fc\u30cd\u30eb\u3078\u6e21\u3063\u305f\u5024\u3092\u89b3\u6e2c<\/li> <\/ol> <\/td> <\/tr> <\/table> <hr> <p><strong>\u4f9d\u983c\u5224\u65ad\uff08\u4e00\u822c\u8ad6\u306e\u9650\u754c\uff09<\/strong><\/p> <p>EINVAL\u306f\u300c\u4ed5\u69d8\u3068\u524d\u63d0\u306e\u30ba\u30ec\u300d\u3092\u793a\u3059\u3060\u3051\u3067\u3001\u73fe\u5834\u306e\u69cb\u6210\uff08\u30ab\u30fc\u30cd\u30eb\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3001\u6a29\u9650\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u5909\u66f4\u5c65\u6b74\uff09\u306b\u3088\u3063\u3066\u539f\u56e0\u304c\u5206\u5c90\u3057\u307e\u3059\u3002\u624b\u5143\u306e\u4e00\u822c\u7684\u306a\u5bfe\u7b56\u3060\u3051\u3067\u89e3\u6c7a\u3057\u306a\u3044\u3001\u307e\u305f\u306f\u672c\u756a\u5f71\u97ff\u304c\u51fa\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5207\u308a\u5206\u3051\u306e\u8a2d\u8a08\u304b\u3089\u652f\u63f4\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p> <ul> <li>\u672c\u756a\u3067\u518d\u73fe\u304c\u4e0d\u5b89\u5b9a\u3001\u518d\u8a66\u884c\u304c\u6016\u304f\u3066\u539f\u56e0\u304c\u8ffd\u3048\u306a\u3044<\/li> <li>\u30b9\u30c8\u30ec\u30fc\u30b8\/mount\u5468\u308a\u3067\u767a\u751f\u3057\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u304c\u6c17\u306b\u306a\u308b<\/li> <li>\u30b3\u30f3\u30c6\u30ca\/\u30db\u30b9\u30c8\u5dee\u5206\u304c\u7d61\u307f\u3001\u3069\u3053\u3067\u62d2\u5426\u3055\u308c\u3066\u3044\u308b\u304b\u4e0d\u660e<\/li> <li>ioctl\/\u30c9\u30e9\u30a4\u30d0\/\u7279\u6b8a\u30c7\u30d0\u30a4\u30b9\u304c\u7d61\u307f\u3001\u5b9f\u88c5\u8abf\u67fb\u304c\u5fc5\u8981<\/li> <\/ul> <p>\u4e0a\u8a18\u306b\u5f53\u3066\u306f\u307e\u308b\u5834\u5408\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec02\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">EINVAL\u306f\u201c\u539f\u56e0\u201d\u3067\u306f\u306a\u304f\u5951\u7d04\u9055\u53cd\u2500\u2500\u3069\u306eAPI\u306e\u524d\u63d0\u3092\u7834\u3063\u305f\u306e\u304b\u3092\u7279\u5b9a\u3059\u308b<\/h2> <p>EINVAL(22)\u306f\u3001\u4e71\u66b4\u306b\u8a00\u3048\u3070\u300c\u53d7\u3051\u53d6\u3063\u305f\u5074\u304c\u201c\u305d\u306e\u5f15\u6570\u306f\u53d7\u7406\u3067\u304d\u306a\u3044\u201d\u3068\u5224\u65ad\u3057\u305f\u300d\u3068\u3044\u3046\u5408\u56f3\u3067\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u53d7\u3051\u53d6\u3063\u305f\u5074\uff08\u591a\u304f\u306f\u30ab\u30fc\u30cd\u30eb\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\uff09\u304c\u4f55\u3092\u201c\u524d\u63d0\u201d\u3068\u3057\u3066\u3044\u308b\u304b\u3001\u3067\u3059\u3002\u3053\u3053\u3092\u5916\u3059\u3068\u3001\u3044\u304f\u3089\u5024\u3092\u5909\u3048\u3066\u3082\u5f53\u305f\u308a\u307e\u305b\u3093\u3002<\/p> <p>\u524d\u63d0\u306f\u5927\u304d\u304f5\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\u5024\u57df\uff08\u7bc4\u56f2\uff09\u3001\u7d44\u307f\u5408\u308f\u305b\uff08\u30d5\u30e9\u30b0\u306e\u6574\u5408\uff09\u3001\u72b6\u614b\uff08\u547c\u3073\u51fa\u3057\u9806\uff09\u3001\u5f62\u5f0f\uff08\u30b5\u30a4\u30ba\/\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\/\u6587\u5b57\u5217\u7d42\u7aef\uff09\u3001\u74b0\u5883\uff08\u6a5f\u80fd\u6709\u52b9\u5316\u30fb\u6a29\u9650\u30fb\u30ab\u30fc\u30cd\u30eb\u5dee\u5206\uff09\u3067\u3059\u3002EINVAL\u306f\u3053\u306e\u3069\u308c\u304b\u3001\u307e\u305f\u306f\u8907\u5408\u3067\u767a\u751f\u3057\u307e\u3059\u3002<\/p> <hr> <h3>1) \u5024\u57df\uff1a\u6570\u5024\u304c\u201c\u7bc4\u56f2\u5916\u201d\u304b\u201c\u5358\u4f4d\u304c\u9055\u3046\u201d<\/h3> <p>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u30df\u30ea\u79d2\u3060\u3068\u601d\u3063\u3066\u5165\u308c\u305f\u3089\u30ca\u30ce\u79d2\u6271\u3044\u3060\u3063\u305f\u3001\u30d0\u30c3\u30d5\u30a1\u9577\u3092\u30d0\u30a4\u30c8\u3067\u306f\u306a\u304f\u8981\u7d20\u6570\u3067\u6e21\u3059\u3079\u304d\u3060\u3063\u305f\u3001\u306a\u3069\u306f\u5178\u578b\u3067\u3059\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4e0a\u306f\u300c0\u306f\u7121\u52b9\u300d\u300c-1\u306f\u8a31\u53ef\u300d\u306a\u3069\u306e\u7279\u6b8a\u5024\u304c\u5b58\u5728\u3057\u3001\u305d\u3053\u3092\u8e0f\u3080\u3068EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305a\u306fman\u30da\u30fc\u30b8\u3084\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u201c\u5024\u306e\u610f\u5473\u201d\u3068\u201c\u5358\u4f4d\u201d\u3092\u78ba\u8a8d\u3057\u3001\u30ed\u30b0\u306b\u306f\u300c\u5024\uff0b\u5358\u4f4d\u300d\u3092\u30bb\u30c3\u30c8\u3067\u6b8b\u3057\u307e\u3059\u3002<\/p> <hr> <h3>2) \u7d44\u307f\u5408\u308f\u305b\uff1a\u30d5\u30e9\u30b0\u304c\u4e21\u7acb\u3057\u306a\u3044<\/h3> <p>open(2)\u306e\u30d5\u30e9\u30b0\u3001mmap(2)\u306e\u4fdd\u8b77\u5c5e\u6027\u3001setsockopt(2)\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u3069\u306f\u3001\u5358\u4f53\u3067\u306f\u6b63\u3057\u304f\u3066\u3082\u7d44\u307f\u5408\u308f\u305b\u3067\u62d2\u5426\u3055\u308c\u307e\u3059\u3002\u300cA\u3092\u4ed8\u3051\u308b\u306a\u3089B\u304c\u5fc5\u9808\u300d\u300cC\u3068D\u306f\u540c\u6642\u4e0d\u53ef\u300d\u306a\u3069\u306e\u5951\u7d04\u304c\u3042\u308a\u3001\u30a8\u30e9\u30fc\u6587\u5b57\u5217\u306b\u306f\u51fa\u307e\u305b\u3093\u3002\u3053\u3053\u306f\u201c\u7dcf\u5f53\u305f\u308a\u201d\u3067\u306f\u306a\u304f\u3001\u307e\u305a\u6700\u5c0f\u69cb\u6210\uff08\u5b89\u5168\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u306b\u623b\u3057\u30011\u500b\u305a\u3064\u7a4d\u307f\u4e0a\u3052\u3066\u5dee\u5206\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p> <hr> <h3>3) \u72b6\u614b\uff1a\u547c\u3073\u51fa\u3057\u9806\u3084\u521d\u671f\u5316\u304c\u524d\u63d0<\/h3> <p>\u540c\u3058API\u3067\u3082\u300c\u524d\u306b\u3053\u308c\u3092\u547c\u3093\u3067\u3044\u308b\u3053\u3068\u300d\u300c\u3053\u306e\u72b6\u614b\u9077\u79fb\u3092\u8e0f\u3093\u3067\u3044\u308b\u3053\u3068\u300d\u304c\u524d\u63d0\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30bd\u30b1\u30c3\u30c8\u3067\u3042\u308c\u3070bind\/connect\u306e\u524d\u5f8c\u3001\u30c7\u30d0\u30a4\u30b9\u3067\u3042\u308c\u3070open\u5f8c\u306e\u521d\u671f\u5316ioctl\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308c\u3070\u30e2\u30b8\u30e5\u30fc\u30eb\u30ed\u30fc\u30c9\u3084\u6a5f\u80fd\u6709\u52b9\u5316\u306a\u3069\u3067\u3059\u3002\u73fe\u5834\u3067\u306f\u201c\u305f\u307e\u305f\u307e\u901a\u3063\u305f\u9806\u756a\u201d\u304c\u30b3\u30fc\u30c9\u3084\u904b\u7528\u306b\u57cb\u307e\u3063\u3066\u304a\u308a\u3001\u74b0\u5883\u5dee\u3067\u8868\u9762\u5316\u3057\u307e\u3059\u3002<\/p> <hr> <h3>4) \u5f62\u5f0f\uff1a\u69cb\u9020\u4f53\u30b5\u30a4\u30ba\u30fb\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\u30fb\u6587\u5b57\u5217\u7d42\u7aef<\/h3> <p>C\u7cfb\u306eAPI\u3084ioctl\u306f\u7279\u306b\u3001\u69cb\u9020\u4f53\u306e\u30b5\u30a4\u30ba\u304c\u4e00\u81f4\u3057\u306a\u3044\u3001\u672a\u521d\u671f\u5316\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u6b8b\u3063\u3066\u3044\u308b\u3001\u6587\u5b57\u5217\u306eNUL\u7d42\u7aef\u304c\u6b20\u3051\u308b\u3001\u3068\u3044\u3063\u305f\u201c\u5f62\u5f0f\u4e0d\u5099\u201d\u3067EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u300c\u898b\u305f\u76ee\u306e\u5024\u300d\u3067\u306f\u306a\u304f\u300c\u30ab\u30fc\u30cd\u30eb\u3078\u5b9f\u969b\u306b\u6e21\u3063\u305f\u30d0\u30a4\u30c8\u5217\u300d\u3067\u3059\u3002\u3053\u3053\u3067strace\u7b49\u306e\u89b3\u6e2c\u304c\u52b9\u3044\u3066\u304d\u307e\u3059\uff08\u5f8c\u7ae0\u3067\u6271\u3044\u307e\u3059\uff09\u3002<\/p> <hr> <h3>5) \u74b0\u5883\uff1a\u6a29\u9650\u30fb\u30ab\u30fc\u30cd\u30eb\u6a5f\u80fd\u30fb\u4e92\u63db\u6027\u306e\u5dee\u5206<\/h3> <p>\u540c\u3058\u5f15\u6570\u3067\u3082\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u305d\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u3001sysctl\u3067\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u3001\u30b3\u30f3\u30c6\u30ca\u3067\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u3001\u30b1\u30fc\u30d1\u30d3\u30ea\u30c6\u30a3\u304c\u7121\u3044\u3001\u3068\u3044\u3063\u305f\u74b0\u5883\u8981\u56e0\u3067EINVAL\u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u300c\u81ea\u5206\u306e\u74b0\u5883\u3067\u52d5\u3044\u305f\u300d\u306f\u8a3c\u62e0\u306b\u306a\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u5b9f\u884c\u74b0\u5883\u306e\u4e8b\u5b9f\uff08OS\u3001\u30ab\u30fc\u30cd\u30eb\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u6a29\u9650\uff09\u3092\u5fc5\u305a\u6b8b\u3057\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u7d50\u8ad6\u306f\u3001EINVAL\u3092\u201c\u5165\u529b\u5024\u306e\u30df\u30b9\u201d\u3068\u6c7a\u3081\u3064\u3051\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u3069\u306e\u5951\u7d04\u306b\u9055\u53cd\u3057\u305f\u306e\u304b\u3092\u7279\u5b9a\u3067\u304d\u308c\u3070\u3001\u4fee\u6b63\u306f\u5c0f\u3055\u304f\u6e08\u307f\u3001\u5f71\u97ff\u7bc4\u56f2\u3082\u9650\u5b9a\u3067\u304d\u307e\u3059\u3002\u9006\u306b\u5951\u7d04\u304c\u4e0d\u660e\u306a\u307e\u307e\u4fee\u6b63\u3059\u308b\u3068\u3001\u5225\u306e\u5834\u6240\u304c\u58ca\u308c\u3066\u201c\u53ce\u675f\u201d\u3057\u307e\u305b\u3093\u3002<\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec03\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u307e\u305a\u5c64\u3067\u5206\u89e3\u3059\u308b\u2500\u2500\u30a2\u30d7\u30ea\uff0fglibc\uff0f\u30ab\u30fc\u30cd\u30eb\uff0f\u30c9\u30e9\u30a4\u30d0\u3067\u201c\u540c\u305822\u201d\u306e\u610f\u5473\u304c\u5909\u308f\u308b<\/h2> <p>\u300cEINVAL\u304c\u51fa\u305f\u300d\u3068\u8a00\u3063\u3066\u3082\u3001\u3069\u3053\u304c22\u3092\u8fd4\u3057\u305f\u306e\u304b\u3067\u8a71\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u304c\u81ea\u524d\u3067EINVAL\u3092\u8fd4\u3059\u5834\u5408\u3082\u3042\u308c\u3070\u3001glibc\u306a\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5165\u529b\u691c\u8a3c\u3067EINVAL\u3092\u8fd4\u3059\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u672c\u4e38\u306f\u30ab\u30fc\u30cd\u30eb\uff08\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\uff09\u3084\u30c9\u30e9\u30a4\u30d0\u3067\u3059\u3002\u5c64\u3092\u6df7\u305c\u308b\u3068\u3001\u8abf\u67fb\u304c\u9577\u671f\u5316\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u30a2\u30d7\u30ea\u5c64\uff1a\u30ed\u30b0\u306b\u6b8b\u308b\u201c\u610f\u5473\u3065\u3051\u201d\u3092\u4fe1\u7528\u3057\u3059\u304e\u306a\u3044<\/h3> <p>\u30a2\u30d7\u30ea\u304c\u300c\u5f15\u6570\u4e0d\u6b63\u300d\u3068\u51fa\u3057\u3066\u3044\u3066\u3082\u3001\u5b9f\u969b\u306f\u8a2d\u5b9a\u306e\u6574\u5408\u6027\u3084\u4f9d\u5b58\u5148\u306e\u72b6\u614b\u304c\u539f\u56e0\u3001\u3068\u3044\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u300c\u3069\u306e\u8a2d\u5b9a\u9805\u76ee\u304c\u3069\u3046\u89e3\u91c8\u3055\u308c\u3001\u6700\u7d42\u7684\u306b\u3069\u306eAPI\u306b\u6e21\u3063\u305f\u304b\u300d\u3092\u8ffd\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3084\u74b0\u5883\u5909\u6570\u306f\u201c\u305d\u306e\u307e\u307e\u201d\u4fdd\u5b58\u3057\u3001\u30a2\u30d7\u30ea\u304c\u7d44\u307f\u7acb\u3066\u305f\u5b9f\u5f15\u6570\uff08\u4f8b\uff1a\u751f\u6210\u3055\u308c\u305f\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3084socket\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u3082\u30ed\u30b0\u5316\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u30e9\u30a4\u30d6\u30e9\u30ea\u5c64\uff1a\u4e8b\u524d\u691c\u8a3c\u3067\u843d\u3061\u308b\u30b1\u30fc\u30b9<\/h3> <p>glibc\u7b49\u306f\u3001\u660e\u3089\u304b\u306b\u4e0d\u6b63\u306a\u5165\u529b\u3092\u30ab\u30fc\u30cd\u30eb\u3078\u6e21\u3059\u524d\u306b\u5f3e\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001strace\u3092\u53d6\u3063\u3066\u3082\u30ab\u30fc\u30cd\u30eb\u547c\u3073\u51fa\u3057\u304c\u898b\u3048\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u300c\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306eEINVAL\u300d\u3067\u306f\u306a\u3044\u53ef\u80fd\u6027\u304c\u51fa\u307e\u3059\u3002\u3053\u3053\u3067\u5fc5\u8981\u306a\u306e\u306f\u3001\u8a72\u5f53\u95a2\u6570\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff08\u5f15\u6570\u306e\u5236\u7d04\uff09\u3068\u3001\u53ef\u80fd\u306a\u3089\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u5206\u3067\u3059\u3002<\/p> <hr> <h3>\u30ab\u30fc\u30cd\u30eb\u5c64\uff1aEINVAL\u306f\u201c\u5b9f\u88c5\u4e0a\u306e\u62d2\u5426\u7406\u7531\u201d\u306e\u4ee3\u8868\u683c<\/h3> <p>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304cEINVAL\u3092\u8fd4\u3059\u3068\u304d\u3001\u5185\u90e8\u3067\u306f\u300c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u7d44\u307f\u5408\u308f\u305b\u300d\u300c\u6a5f\u80fd\u304c\u7121\u52b9\u300d\u300c\u30b5\u30a4\u30ba\u304c\u671f\u5f85\u3068\u9055\u3046\u300d\u306a\u3069\u3001\u5177\u4f53\u7684\u306a\u6761\u4ef6\u5206\u5c90\u306b\u5f15\u3063\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002dmesg\u3084audit\u30ed\u30b0\u3001\u30c9\u30e9\u30a4\u30d0\u306e\u30ed\u30b0\u304c\u30d2\u30f3\u30c8\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u5e38\u306b\u51fa\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u3053\u304b\u3089\u5148\u306f\u201c\u89b3\u6e2c\u3067\u304d\u308b\u5f62\u306b\u3059\u308b\u201d\u3053\u3068\u304c\u91cd\u8981\u3067\u3001\u6b21\u7ae0\u306e\u518d\u73fe\u6027\u304c\u4f0f\u7dda\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30c9\u30e9\u30a4\u30d0\/\u30c7\u30d0\u30a4\u30b9\u5c64\uff1a\u540c\u3058\u5f15\u6570\u3067\u3082\u6a5f\u7a2e\u30fbFW\u30fb\u8a2d\u5b9a\u3067\u6319\u52d5\u304c\u5909\u308f\u308b<\/h3> <p>ioctl\u3084\u7279\u6b8a\u30c7\u30d0\u30a4\u30b9\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd\uff08\u7279\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u306a\u3069\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3084\u30c9\u30e9\u30a4\u30d0\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u8a31\u5bb9\u7bc4\u56f2\u304c\u5909\u308f\u308a\u307e\u3059\u3002OS\u306e\u66f4\u65b0\u3084\u30c9\u30e9\u30a4\u30d0\u5dee\u3057\u66ff\u3048\u3067\u201c\u6628\u65e5\u307e\u3067\u52d5\u3044\u305f\u201d\u304c\u8d77\u304d\u308b\u306e\u306f\u3001\u3053\u3053\u3067\u5951\u7d04\u304c\u5909\u308f\u308b\u304b\u3089\u3067\u3059\u3002\u8abf\u67fb\u3067\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u6a5f\u80fd\u30d5\u30e9\u30b0\u3082\u542b\u3081\u3066\u4e8b\u5b9f\u3092\u62bc\u3055\u3048\u307e\u3059\u3002<\/p> <hr> <p><strong>\u5c64\u3067\u5206\u89e3\u3059\u308b\u3068\u5f97\u3059\u308b\u3053\u3068<\/strong><\/p> <ul> <li>\u300c\u3069\u3053\u304c22\u3092\u8fd4\u3057\u305f\u304b\u300d\u3067\u3001\u4f7f\u3046\u9053\u5177\u304c\u6c7a\u307e\u308b\uff08\u30a2\u30d7\u30ea\u30ed\u30b0\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u691c\u8a3c\u3001strace\u3001dmesg\uff09\u3002<\/li> <li>\u4fee\u6b63\u306e\u5834\u6240\u304c\u7d5e\u308c\u308b\uff08\u8a2d\u5b9a\u4fee\u6b63\u304b\u3001\u30b3\u30fc\u30c9\u4fee\u6b63\u304b\u3001\u74b0\u5883\u6574\u5099\u304b\uff09\u3002<\/li> <li>\u518d\u767a\u9632\u6b62\u304c\u66f8\u3051\u308b\uff08\u201c\u5951\u7d04\u201d\u3092\u30c1\u30a7\u30c3\u30af\u3068\u3057\u3066\u5b9f\u88c5\u3067\u304d\u308b\uff09\u3002<\/li> <\/ul> <p>\u3053\u306e\u6574\u7406\u304c\u3067\u304d\u306a\u3044\u307e\u307e\u5bfe\u51e6\u3092\u59cb\u3081\u308b\u3068\u3001\u5909\u66f4\u70b9\u304c\u5897\u3048\u3066\u539f\u56e0\u304c\u57cb\u3082\u308c\u307e\u3059\u3002\u3053\u3053\u304b\u3089\u5148\u306f\u300c\u518d\u73fe\u3067\u304d\u308b\u72b6\u614b\u3092\u4f5c\u308b\u300d\u3053\u3068\u304c\u3001\u6700\u77ed\u3067\u306e\u30ce\u30a4\u30ba\u30ab\u30c3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec04\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u518d\u73fe\u3067\u304d\u306a\u3044\u3068\u8a70\u3080\u2500\u2500\u5165\u529b\u30fb\u74b0\u5883\u30fb\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u56fa\u5b9a\u3057\u3066\u300c\u518d\u73fe\u6027\u300d\u3092\u4f5c\u308b<\/h2> <p>EINVAL\u304c\u5384\u4ecb\u306a\u306e\u306f\u3001\u540c\u3058\u30b3\u30fc\u30c9\u3067\u3082\u74b0\u5883\u5dee\u3084\u72b6\u614b\u5dee\u3067\u51fa\u305f\u308a\u51fa\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u518d\u73fe\u6027\u304c\u7121\u3044\u3068\u3001\u5bfe\u7b56\u304c\u201c\u9858\u3044\u201d\u306b\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u8a00\u3048\u3070\u3001\u518d\u73fe\u6761\u4ef6\u3092\u56fa\u5b9a\u3067\u304d\u305f\u77ac\u9593\u306b\u3001\u8abf\u67fb\u306f\u524d\u306b\u9032\u307f\u307e\u3059\u3002<\/p> <hr> <h3>\u518d\u73fe\u6027\u3092\u4f5c\u308b\u305f\u3081\u306b\u56fa\u5b9a\u3059\u3079\u304d\u9805\u76ee<\/h3> <ul> <li>\u5b9f\u884c\u30b3\u30de\u30f3\u30c9\/\u5b9f\u5f15\u6570\uff1a\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3001\u74b0\u5883\u5909\u6570\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3001\u8d77\u52d5\u9806<\/li> <li>\u5b9f\u884c\u4e3b\u4f53\uff1a\u30e6\u30fc\u30b6\u30fcID\u3001\u6a29\u9650\uff08sudo\/\u30b1\u30fc\u30d1\u30d3\u30ea\u30c6\u30a3\uff09\u3001systemd\u306eUnit\u8a2d\u5b9a<\/li> <li>\u5b9f\u884c\u5834\u6240\uff1a\u30db\u30b9\u30c8\u304b\u30b3\u30f3\u30c6\u30ca\u304b\u3001\u30b3\u30f3\u30c6\u30ca\u306a\u3089\u30a4\u30e1\u30fc\u30b8\/\u30bf\u30b0\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u3001\u30de\u30a6\u30f3\u30c8\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a<\/li> <li>OS\u4e8b\u5b9f\uff1a\u30c7\u30a3\u30b9\u30c8\u30ea\u540d\u3001\u30ab\u30fc\u30cd\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u4e3b\u8981\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/li> <li>\u5bfe\u8c61\u30ea\u30bd\u30fc\u30b9\uff1a\u30c7\u30d0\u30a4\u30b9\u540d\u3001\u30d1\u30b9\u3001IP\/\u30dd\u30fc\u30c8\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u7a2e\u5225\u3001\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8<\/li> <\/ul> <hr> <h3>\u6700\u5c0f\u518d\u73fe\uff08Minimal Repro\uff09\u306b\u843d\u3068\u3059\u624b\u9806<\/h3> <p>\u5927\u304d\u306a\u30b5\u30fc\u30d3\u30b9\u306e\u307e\u307e\u8ffd\u3046\u3068\u3001\u5f15\u6570\u304c\u3069\u3053\u3067\u4f5c\u3089\u308c\u305f\u304b\u5206\u304b\u3089\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u300cEINVAL\u3092\u51fa\u3059\u6700\u5c0f\u306e\u547c\u3073\u51fa\u3057\u300d\u307e\u3067\u524a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u5c0e\u51fa\u3057\u305f\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u7591\u308f\u3057\u3044\u306a\u3089\u3001\u8a72\u5f53\u306emount\u30b3\u30de\u30f3\u30c91\u672c\u306b\u843d\u3068\u3059\u3002setsockopt\u304c\u7591\u308f\u3057\u3044\u306a\u3089\u3001\u8a72\u5f53\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\u3051\u3092\u8a2d\u5b9a\u3059\u308b\u77ed\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u843d\u3068\u3059\u3002ioctl\u306a\u3089\u3001open\u2192ioctl\u306e2\u884c\u3067\u518d\u73fe\u3059\u308b\u5f62\u306b\u843d\u3068\u3057\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u3068\u304d\u5927\u5207\u306a\u306e\u306f\u3001\u95c7\u96f2\u306b\u524a\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u524a\u308b\u305f\u3073\u306b\u300c\u4f55\u3092\u56fa\u5b9a\u3057\u3001\u4f55\u3092\u6368\u3066\u305f\u304b\u300d\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u518d\u73fe\u304c\u6d88\u3048\u305f\u3068\u304d\u306b\u623b\u308c\u307e\u305b\u3093\u3002<\/p> <hr> <h3>\u201c\u76f4\u3059\u524d\u306b\u5b88\u308b\u201d\u304c\u5fc5\u8981\u306a\u5834\u9762<\/h3> <p>\u7279\u306b\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u7d61\u3080\u5834\u5408\u3001\u8a66\u884c\u932f\u8aa4\u3067\u72b6\u614b\u304c\u5909\u5316\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u624b\u9806\u3060\u3051\u3067\u5b89\u5168\u304c\u62c5\u4fdd\u3067\u304d\u306a\u3044\u69cb\u6210\uff08RAID\u3001\u4eee\u60f3\u5316\u3001\u6697\u53f7\u5316\u3001\u7279\u6b8a\u30c7\u30d0\u30a4\u30b9\u3001\u91cd\u8981DB\uff09\u3067\u306f\u3001\u4e00\u822c\u8ad6\u306e\u7bc4\u56f2\u3092\u8d85\u3048\u307e\u3059\u3002\u5f71\u97ff\u7bc4\u56f2\u304c\u8aad\u3081\u306a\u3044\u5834\u5408\u306f\u3001\u69cb\u6210\u3068\u30ed\u30b0\u3092\u62bc\u3055\u3048\u305f\u4e0a\u3067<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> <p>\u6b21\u7ae0\u3067\u306f\u3001\u518d\u73fe\u3067\u304d\u308b\u524d\u63d0\u3092\u4f5c\u3063\u305f\u3046\u3048\u3067\u300c\u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL\u3092\u8fd4\u3057\u305f\u304b\u300d\u3092\u78ba\u5b9a\u3059\u308b\u89b3\u6e2c\u306e\u9032\u3081\u65b9\uff08strace\u7b49\uff09\u306b\u5165\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec05\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u89b3\u6e2c\u3067\u52dd\u8ca0\u304c\u6c7a\u307e\u308b\u2500\u2500strace\u30fbperf\u30fb\u30ed\u30b0\u3067\u201c\u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL\u3092\u8fd4\u3057\u305f\u304b\u201d\u3092\u78ba\u5b9a\u3059\u308b<\/h2> <p>\u518d\u73fe\u6761\u4ef6\u3092\u56fa\u5b9a\u3067\u304d\u305f\u3089\u3001\u6b21\u306f\u300c\u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL(22)\u3092\u8fd4\u3057\u305f\u304b\u300d\u3092\u78ba\u5b9a\u3057\u307e\u3059\u3002\u3053\u3053\u304c\u66d6\u6627\u306a\u307e\u307e\u3060\u3068\u3001\u4fee\u6b63\u304c\u63a8\u6e2c\u306b\u306a\u308a\u3001\u5225\u306e\u4e0d\u5177\u5408\u3092\u4f5c\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002Linux\u3067\u306e\u57fa\u672c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u89b3\u6e2c\uff08strace\uff09\u3068\u3001\u30ab\u30fc\u30cd\u30eb\/\u5468\u8fba\u30ed\u30b0\u306e\u7a81\u304d\u5408\u308f\u305b\u3067\u3059\u3002<\/p> <hr> <h3>strace\u3067\u201c\u72af\u4eba\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u201d\u3092\u7279\u5b9a\u3059\u308b<\/h3> <p>\u307e\u305a\u306f\u5358\u7d14\u306b\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u304c\u4f55\u3092\u547c\u3093\u3067\u3069\u3053\u3067EINVAL\u306b\u306a\u3063\u305f\u304b\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30c8\u306f\u300c\u6642\u9593\u300d\u3068\u300c\u5f15\u6570\u306e\u5168\u4f53\u300d\u304c\u6b8b\u308b\u3053\u3068\u3067\u3059\u3002\u6a19\u6e96\u51fa\u529b\u306b\u6d41\u3059\u3068\u898b\u843d\u3068\u3059\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u843d\u3068\u3057\u3066\u5f8c\u304b\u3089\u5dee\u5206\u6bd4\u8f03\u3067\u304d\u308b\u5f62\u306b\u3057\u307e\u3059\u3002<\/p> <ul> <li>\u30d7\u30ed\u30bb\u30b9\u8d77\u52d5\u304b\u3089\u8ffd\u3046\u5834\u5408\uff1a\u5b50\u30d7\u30ed\u30bb\u30b9\u3082\u542b\u3081\u3066\u8ffd\u8de1\uff08-f\uff09\u3057\u3001\u6642\u523b\u4ed8\u304d\uff08-tt\uff09\u3067\u51fa\u3059\u3002<\/li> <li>\u5f15\u6570\u306e\u6587\u5b57\u5217\u304c\u9014\u4e2d\u3067\u5207\u308c\u306a\u3044\u3088\u3046\u306b\u3001\u8868\u793a\u9577\uff08-s\uff09\u3092\u5897\u3084\u3059\u3002<\/li> <li>\u7d50\u679c\u306f1\u30d5\u30a1\u30a4\u30eb\u306b\u96c6\u7d04\u3057\u3066\u3001\u6210\u529f\u30b1\u30fc\u30b9\/\u5931\u6557\u30b1\u30fc\u30b9\u3067diff\u304c\u53d6\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li> <\/ul> <p>\u30ed\u30b0\u306e\u4e2d\u3067\u898b\u308b\u3079\u304d\u306f\u300c\u2026 = -1 EINVAL (Invalid argument)\u300d\u306e\u884c\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u76f4\u524d\u306b\u4e26\u3076\u547c\u3073\u51fa\u3057\u306e\u6d41\u308c\uff08open\u2192ioctl\u2192mmap \u306a\u3069\uff09\u3068\u3001EINVAL\u306e\u884c\u306b\u51fa\u3066\u3044\u308b\u201c\u5f15\u6570\u306e\u5024\u201d\u304c\u91cd\u8981\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001mmap\u3067\u3042\u308c\u3070length\u3084offset\u3001flags\/prot\u306e\u7d44\u307f\u5408\u308f\u305b\u3001setsockopt\u3067\u3042\u308c\u3070level\/optname\/optlen\u3001mount\u3067\u3042\u308c\u3070fs type\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u6587\u5b57\u5217\u304c\u3001\u305d\u306e\u307e\u307e\u624b\u639b\u304b\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5f3e\u3044\u3066\u3044\u308b\u5834\u5408\u306e\u898b\u5206\u3051<\/h3> <p>\u300cEINVAL\u304c\u8fd4\u308b\u306e\u306b\u3001strace\u4e0a\u306b\u305d\u308c\u3063\u307d\u3044\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u51fa\u306a\u3044\u300d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001glibc\u7b49\u304c\u4e8b\u524d\u691c\u8a3c\u3067\u5f3e\u3044\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5178\u578b\u306f\u3001\u5f15\u6570\u304c\u305d\u3082\u305d\u3082\u4e0d\u6b63\u3067\u30ab\u30fc\u30cd\u30eb\u3078\u5230\u9054\u3057\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u3067\u3059\u3002\u89b3\u6e2c\u4e0a\u306f\u3001\u8a72\u5f53API\u547c\u3073\u51fa\u3057\u306e\u76f4\u5f8c\u306b\u4f55\u3082\u7279\u5225\u306a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u306a\u304f\u3001\u30a2\u30d7\u30ea\u304c\u30a8\u30e9\u30fc\u51e6\u7406\u306b\u9032\u3080\u6d41\u308c\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u3068\u304d\u306f\u3001\u30a2\u30d7\u30ea\u30ed\u30b0\uff08\u3069\u306e\u5f15\u6570\u3067\u547c\u3093\u3060\u304b\uff09\u3068\u3001\u8a72\u5f53API\u306e\u4ed5\u69d8\uff08\u5024\u57df\u30fb\u578b\u30fb\u5358\u4f4d\u30fbNULL\u53ef\u5426\u30fb\u69cb\u9020\u4f53\u30b5\u30a4\u30ba\uff09\u3092\u7167\u5408\u3057\u3066\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u524d\u63d0\u9055\u53cd\u3092\u6f70\u3057\u307e\u3059\u3002\u53ef\u80fd\u306a\u3089\u3001\u540c\u4e00\u74b0\u5883\u3067\u6700\u5c0f\u518d\u73fe\u30b3\u30fc\u30c9\u306b\u843d\u3068\u3057\u3066\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4ed5\u69d8\u306b\u6cbf\u3046\u5f62\u3078\u4fee\u6b63\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p> <hr> <h3>dmesg\/journald\u3067\u201c\u62d2\u5426\u7406\u7531\u306e\u30d2\u30f3\u30c8\u201d\u3092\u62fe\u3046<\/h3> <p>\u30ab\u30fc\u30cd\u30eb\u3084\u30c9\u30e9\u30a4\u30d0\u304cEINVAL\u3092\u8fd4\u3059\u5834\u5408\u3001dmesg\u3084journald\u306b\u30d2\u30f3\u30c8\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff08\u305f\u3060\u3057\u5e38\u306b\u51fa\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002\u7279\u306b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3001\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5468\u308a\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u4e0d\u4e00\u81f4\u3084\u6a5f\u80fd\u672a\u5bfe\u5fdc\u306e\u60c5\u5831\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u89b3\u6e2c\u306f\u300c\u76f4\u8fd1\u3060\u3051\u300d\u3067\u5341\u5206\u306a\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u518d\u73fe\u76f4\u5f8c\u306b\u63a1\u53d6\u3057\u3066\u6642\u523b\u3067\u7a81\u304d\u5408\u308f\u305b\u307e\u3059\u3002<\/p> <hr> <h3>perf\/\u30c8\u30ec\u30fc\u30b9\u30dd\u30a4\u30f3\u30c8\u306f\u201c\u6700\u5f8c\u306e\u62bc\u3057\u8fbc\u307f\u201d\u3068\u3057\u3066\u4f7f\u3046<\/h3> <p>strace\u3067\u300c\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304cEINVAL\u304b\u300d\u306f\u5206\u304b\u3063\u3066\u3082\u3001\u300c\u30ab\u30fc\u30cd\u30eb\u5185\u90e8\u306e\u3069\u306e\u6761\u4ef6\u5206\u5c90\u3067\u5f3e\u304b\u308c\u305f\u304b\u300d\u307e\u3067\u306f\u5206\u304b\u3089\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u30c8\u30ec\u30fc\u30b9\u30dd\u30a4\u30f3\u30c8\u3084eBPF\u7b49\u3067\u5185\u5074\u3092\u898b\u308b\u624b\u6bb5\u304c\u6709\u52b9\u306a\u5834\u9762\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u672c\u756a\u3067\u7121\u95c7\u306b\u5c0e\u5165\u3059\u308b\u3068\u8ca0\u8377\u3084\u904b\u7528\u30ea\u30b9\u30af\u304c\u5897\u3048\u308b\u305f\u3081\u3001\u691c\u8a3c\u74b0\u5883\u3067\u306e\u518d\u73fe\u304c\u53d6\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <p><strong>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/strong><\/p> <ul> <li>EINVAL(22)\u306e\u8abf\u67fb\u306f\u300c\u63a8\u6e2c\u300d\u3067\u306f\u306a\u304f\u300c\u89b3\u6e2c\u300d\u3067\u6c7a\u3081\u308b\u3002<\/li> <li>\u307e\u305astrace\u3067\u201c\u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL\u304b\u201d\u3092\u78ba\u5b9a\u3057\u3001\u5f15\u6570\uff08\u5024\u30fb\u30d5\u30e9\u30b0\u30fb\u9577\u3055\u30fb\u30aa\u30d5\u30bb\u30c3\u30c8\uff09\u3092\u62bc\u3055\u3048\u308b\u3002<\/li> <li>dmesg\/journald\u3067\u88dc\u52a9\u60c5\u5831\u3092\u62fe\u3044\u3001\u5fc5\u8981\u306a\u3089\u691c\u8a3c\u74b0\u5883\u3067\u3088\u308a\u6df1\u3044\u30c8\u30ec\u30fc\u30b9\u306b\u9032\u3080\u3002<\/li> <\/ul> \r\n\r\n <p>\u3000<\/p> <a id=\"sec06\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u96c6\u2460\uff1aopen\/mmap\/setsockopt\/ioctl\u306e\u5730\u96f7\u2500\u2500\u30b5\u30a4\u30ba\u30fb\u30d5\u30e9\u30b0\u30fb\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8<\/h2> <p>EINVAL\u304c\u591a\u767a\u3059\u308b\u9818\u57df\u306b\u306f\u3001\u306f\u3063\u304d\u308a\u504f\u308a\u304c\u3042\u308a\u307e\u3059\u3002open\u7cfb\u3001mmap\u7cfb\u3001\u30bd\u30b1\u30c3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3001ioctl\u3067\u3059\u3002\u3044\u305a\u308c\u3082\u300c\u5024\u305d\u306e\u3082\u306e\u300d\u3088\u308a\u3001\u30d5\u30e9\u30b0\u306e\u6574\u5408\u3001\u30b5\u30a4\u30ba\uff08\u9577\u3055\uff09\u3001\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\uff08\u5883\u754c\u6761\u4ef6\uff09\u306e\u30df\u30b9\u3067\u843d\u3061\u3084\u3059\u3044\u306e\u304c\u5171\u901a\u70b9\u3067\u3059\u3002<\/p> <hr> <h3>\u3088\u304f\u3042\u308bEINVAL\u30d1\u30bf\u30fc\u30f3\u65e9\u898b\u8868<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u9818\u57df<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">EINVAL\u306b\u306a\u308a\u3084\u3059\u3044\u8ad6\u70b9<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u307e\u305a\u78ba\u8a8d\u3059\u308b\u4e8b\u5b9f<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">open\/openat<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u30d5\u30e9\u30b0\u306e\u4e0d\u6574\u5408\u3001\u7279\u6b8a\u30d5\u30e9\u30b0\u306e\u524d\u63d0\u9055\u53cd\u3001\u30d1\u30b9\u7a2e\u5225\u3068\u8981\u6c42\u306e\u4e0d\u4e00\u81f4<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">flags\u306e\u5168\u4f53\u3001\u5bfe\u8c61\u30d1\u30b9\u306e\u7a2e\u5225\uff08\u30d5\u30a1\u30a4\u30eb\/\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\/\u30c7\u30d0\u30a4\u30b9\uff09\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">mmap<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">length=0\u3001offset\u306e\u30da\u30fc\u30b8\u5883\u754c\u9055\u53cd\u3001prot\/flags\u7d44\u307f\u5408\u308f\u305b\u4e0d\u6b63<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">length\u3001offset\u3001MAP_*\u3068PROT_*\u3001\u5bfe\u8c61FD\u306e\u6027\u8cea<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">setsockopt<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">optlen\u4e0d\u4e00\u81f4\u3001\u30ec\u30d9\u30eb\/\u30aa\u30d7\u30b7\u30e7\u30f3\u4e0d\u6574\u5408\u3001\u5024\u57df\u30fb\u5358\u4f4d\u9055\u3044<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">level\/optname\/optlen\u3001\u5024\u306e\u578b\u3001OS\/\u30ab\u30fc\u30cd\u30eb\u5dee\u5206<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">ioctl<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u69cb\u9020\u4f53\u30b5\u30a4\u30ba\u4e0d\u4e00\u81f4\u3001\u672a\u521d\u671f\u5316\u3001\u30c9\u30e9\u30a4\u30d0\u304c\u53d7\u3051\u4ed8\u3051\u306a\u3044\u30b3\u30de\u30f3\u30c9\/\u5024<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">ioctl\u756a\u53f7\u3001\u6e21\u3059\u69cb\u9020\u4f53\u306e\u5b9a\u7fa9\u3001sizeof\u3068\u30bc\u30ed\u521d\u671f\u5316\u3001\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\/\u30c9\u30e9\u30a4\u30d0<\/td> <\/tr> <\/table> <hr> <h3>open\/openat\uff1a\u30d5\u30e9\u30b0\u3068\u5bfe\u8c61\u306e\u201c\u5951\u7d04\u9055\u53cd\u201d<\/h3> <p>open\u7cfb\u306f\u300c\u30d5\u30e9\u30b0\u304c\u591a\u3044\u300d\u306e\u304c\u7f60\u3067\u3059\u3002\u3042\u308b\u30d5\u30e9\u30b0\u306f\u300c\u7279\u5b9a\u306e\u5bfe\u8c61\uff08\u4f8b\uff1a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u524d\u63d0\uff09\u300d\u3084\u300c\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\u524d\u63d0\u300d\u3092\u8981\u6c42\u3057\u307e\u3059\u3002\u5bfe\u8c61\u304c\u305d\u306e\u524d\u63d0\u3092\u6e80\u305f\u3055\u306a\u3044\u3068\u3001EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u89b3\u6e2c\u3067\u306f\u3001openat\u306eflags\u304c\u305d\u306e\u307e\u307e\u51fa\u308b\u306e\u3067\u3001\u307e\u305a\u306f\u201c\u305d\u306e\u30d5\u30e9\u30b0\u306f\u4f55\u3092\u8981\u6c42\u3059\u308b\u306e\u304b\u201d\u3092man\u30da\u30fc\u30b8\u3067\u78ba\u8a8d\u3057\u3001\u5bfe\u8c61\u30d1\u30b9\u306e\u7a2e\u5225\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u7279\u6027\u3068\u7167\u5408\u3057\u307e\u3059\u3002<\/p> <hr> <h3>mmap\uff1a\u5883\u754c\u6761\u4ef6\uff08\u30da\u30fc\u30b8\u5883\u754c\uff09\u3068\u7d44\u307f\u5408\u308f\u305b\u3067\u843d\u3061\u308b<\/h3> <p>mmap\u306f\u300coffset\u304c\u30da\u30fc\u30b8\u5883\u754c\u306b\u63c3\u3063\u3066\u3044\u306a\u3044\u300d\u300clength\u304c0\u300d\u300cflags\/prot\u304c\u77db\u76fe\u3057\u3066\u3044\u308b\u300d\u306a\u3069\u306e\u5883\u754c\u6761\u4ef6\u3067EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u306f\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04\u3068\u3057\u3066\u3001mmap\u524d\u306b\u5f15\u6570\u691c\u8a3c\u3092\u5165\u308c\u3001\u691c\u8a3c\u306b\u843d\u3061\u305f\u5834\u5408\u306f\u201c\u4f55\u304c\u4e0d\u6b63\u304b\u201d\u3092\u30ed\u30b0\u306b\u51fa\u3057\u3066\u304a\u304f\u306e\u304c\u518d\u767a\u9632\u6b62\u3068\u3057\u3066\u6709\u52b9\u3067\u3059\u3002\u89b3\u6e2c\u4e0a\u306f\u3001mmap\u306e\u5f15\u6570\u304c\u898b\u3048\u308b\u306e\u3067\u3001\u5931\u6557\u6642\u306eoffset\/length\u3092\u6210\u529f\u6642\u3068\u6bd4\u8f03\u3057\u3066\u5dee\u5206\u3092\u53d6\u308a\u307e\u3059\u3002<\/p> <hr> <h3>setsockopt\uff1aoptlen\u306e\u578b\u30ba\u30ec\u304c\u4e00\u756a\u591a\u3044<\/h3> <p>setsockopt\u306f\u300c\u5024\u305d\u306e\u3082\u306e\u300d\u3088\u308a\u3001optlen\u304c\u6b63\u3057\u3044\u578b\u30fb\u9577\u3055\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u304c\u91cd\u8981\u3067\u3059\u3002\u4f8b\u3048\u3070int\u3092\u6e21\u3059\u60f3\u5b9a\u306a\u306e\u306b\u5225\u306e\u30b5\u30a4\u30ba\u3067\u6e21\u3057\u3066\u3057\u307e\u3046\u3001\u69cb\u9020\u4f53\u3092\u6e21\u3059\u306e\u306b\u30b5\u30a4\u30ba\u304c\u5408\u3063\u3066\u3044\u306a\u3044\u3001\u3068\u3044\u3046\u30df\u30b9\u3067EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30ec\u30d9\u30eb\uff08SOL_SOCKET\u3084IPPROTO_TCP\u7b49\uff09\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u8aa4\u3063\u3066\u3044\u308b\u5834\u5408\u3082EINVAL\u3067\u3059\u3002\u3053\u3053\u306f\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u89b3\u70b9\u3067\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3054\u3068\u306b\u201c\u6b63\u3057\u3044\u578b\u3068\u9577\u3055\u201d\u3092\u56fa\u5b9a\u3057\u3001\u30e9\u30c3\u30d1\u30fc\u95a2\u6570\u3067\u7d71\u4e00\u3059\u308b\u306e\u304c\u6709\u52b9\u3067\u3059\u3002<\/p> <hr> <h3>ioctl\uff1a\u69cb\u9020\u4f53\u306e\u521d\u671f\u5316\u3068\u30b5\u30a4\u30ba\u4e00\u81f4\u304c\u6700\u91cd\u8981<\/h3> <p>ioctl\u306f\u30c9\u30e9\u30a4\u30d0\u3054\u3068\u306b\u5951\u7d04\u304c\u7570\u306a\u308a\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30d8\u30c3\u30c0\u5b9a\u7fa9\u304c\u552f\u4e00\u306e\u6839\u62e0\u306b\u306a\u308a\u307e\u3059\u3002\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74\u306f\u3001\u69cb\u9020\u4f53\u306e\u4e00\u90e8\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u672a\u521d\u671f\u5316\u3067\u30b4\u30df\u5024\u304c\u6df7\u5165\u3059\u308b\u300132bit\/64bit\u3084ABI\u5dee\u5206\u3067\u30b5\u30a4\u30ba\u304c\u30ba\u30ec\u308b\u3001\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044\u5024\u3092\u6e21\u3057\u3066\u30c9\u30e9\u30a4\u30d0\u5074\u304cEINVAL\u3067\u62d2\u5426\u3059\u308b\u3001\u306a\u3069\u3067\u3059\u3002\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001\u69cb\u9020\u4f53\u3092\u30bc\u30ed\u521d\u671f\u5316\u3057\u3066\u304b\u3089\u5fc5\u8981\u30d5\u30a3\u30fc\u30eb\u30c9\u3060\u3051\u3092\u57cb\u3081\u3001sizeof\u3067\u6e21\u3059\u30b5\u30a4\u30ba\u3092\u4e00\u81f4\u3055\u305b\u3001\u3055\u3089\u306b\u5931\u6557\u6642\u306b\u201c\u6e21\u3057\u305f\u30b5\u30a4\u30ba\u3068\u4e3b\u8981\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u201d\u3092\u30ed\u30b0\u5316\u3057\u307e\u3059\u3002<\/p> <hr> <p><strong>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/strong><\/p> <ul> <li>EINVAL\u306e\u591a\u767a\u5730\u5e2f\u306fopen\/mmap\/setsockopt\/ioctl\u306b\u504f\u308b\u3002<\/li> <li>\u5024\u3088\u308a\u3082\u300c\u30d5\u30e9\u30b0\u6574\u5408\u300d\u300c\u9577\u3055\u300d\u300c\u5883\u754c\uff08\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\uff09\u300d\u300c\u69cb\u9020\u4f53\u521d\u671f\u5316\u300d\u304c\u539f\u56e0\u306b\u306a\u308a\u3084\u3059\u3044\u3002<\/li> <li>\u89b3\u6e2c\uff08strace\uff09\u3067\u5f15\u6570\u3092\u78ba\u5b9a\u3057\u3001\u6210\u529f\u30b1\u30fc\u30b9\u3068\u306e\u5dee\u5206\u3067\u539f\u56e0\u3092\u8a70\u3081\u308b\u3002<\/li> <\/ul> \r\n\r\n <p>\u3000<\/p> <a id=\"sec07\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u96c6\u2461\uff1amount\u30fb\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u30fb\u30c7\u30d0\u30a4\u30b9\u5468\u308a\u2500\u2500\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u7ffb\u8a33\u30df\u30b9\u3068\u53e4\u3044\u524d\u63d0<\/h2> <p>\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5468\u308a\u306eEINVAL\u306f\u3001\u8abf\u67fb\u306e\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308a\u304c\u3061\u3067\u3059\u3002\u7406\u7531\u306f\u3001\u30a2\u30d7\u30ea\u306e\u5f15\u6570\u30df\u30b9\u3060\u3051\u3067\u306a\u304f\u300c\u30ab\u30fc\u30cd\u30eb\/\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5b9f\u88c5\u304c\u305d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u4ed8\u3051\u306a\u3044\u300d\u300c\u69cb\u6210\u304c\u524d\u63d0\u3068\u9055\u3046\u300d\u306a\u3069\u3001\u74b0\u5883\u30fb\u69cb\u6210\u8981\u56e0\u304c\u6df7\u3056\u308a\u3084\u3059\u3044\u304b\u3089\u3067\u3059\u3002\u3053\u3053\u3067\u95c7\u96f2\u306b\u8a66\u3059\u3068\u3001\u72b6\u614b\u3092\u5909\u3048\u3066\u3057\u307e\u3044\u8ffd\u8de1\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>mount\u3067EINVAL\u306b\u306a\u308a\u3084\u3059\u3044\u4ee3\u8868\u30d1\u30bf\u30fc\u30f3<\/h3> <ul> <li>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u7a2e\u5225\uff08-t\uff09\u306e\u6307\u5b9a\u3068\u5b9f\u4f53\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u3002<\/li> <li>\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\uff08-o\uff09\u306b\u3001\u5f53\u8a72\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u7406\u89e3\u3057\u306a\u3044\u3082\u306e\u304c\u6df7\u3056\u3063\u3066\u3044\u308b\u3002<\/li> <li>\u540c\u3058\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3082\u3001\u30ab\u30fc\u30cd\u30eb\/\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u3067\u53d7\u7406\u6761\u4ef6\u304c\u5909\u308f\u308b\u3002<\/li> <li>\u30c7\u30d0\u30a4\u30b9\u6307\u5b9a\uff08\/dev\/\u2026\uff09\u3084UUID\/LABEL\u304c\u60f3\u5b9a\u3068\u9055\u3044\u3001\u5225\u7269\u3092\u63b4\u3093\u3067\u3044\u308b\u3002<\/li> <\/ul> <p>\u307e\u305a\u3084\u308b\u3079\u304d\u306f\u300c\u5b9f\u969b\u306b\u6295\u3052\u305fmount\u306e\u5b9f\u5f15\u6570\u300d\u3092\u305d\u306e\u307e\u307e\u4fdd\u5b58\u3057\u3001\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\u306e\u5b9f\u4f53\uff08lsblk\u306e\u7d50\u679c\u3084UUID\uff09\u3068\u7a81\u304d\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3059\u3002\/etc\/fstab\u7d4c\u7531\u3067\u8d77\u304d\u3066\u3044\u308b\u306a\u3089\u3001fstab\u306e\u8a72\u5f53\u884c\u3068\u3001systemd\u306e\u751f\u6210\u3057\u305f\u30de\u30a6\u30f3\u30c8\u30e6\u30cb\u30c3\u30c8\u306e\u5b9f\u884c\u5185\u5bb9\u3082\u62bc\u3055\u3048\u307e\u3059\u3002<\/p> <hr> <h3>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u201c\u7ffb\u8a33\u30df\u30b9\u201d\u304c\u8d77\u304d\u308b\u7406\u7531<\/h3> <p>\u904b\u7528\u306e\u73fe\u5834\u3067\u306f\u3001\u8a2d\u5b9a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u6d41\u7528\u3084\u3001\u5225\u30c7\u30a3\u30b9\u30c8\u30ea\u3067\u901a\u3063\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6301\u3061\u8fbc\u307f\u304c\u8d77\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u3042\u308b\u74b0\u5883\u3067\u306f\u53d7\u7406\u3055\u308c\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3001\u5225\u74b0\u5883\u3067\u306f\u672a\u5bfe\u5fdc\u3067EINVAL\u306b\u306a\u308b\u3001\u3068\u3044\u3046\u5dee\u5206\u3067\u3059\u3002\u3053\u3053\u306f\u4e00\u822c\u8ad6\u3067\u201c\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u6b63\u3057\u3044\u201d\u3068\u65ad\u8a00\u3067\u304d\u307e\u305b\u3093\u3002\u6839\u62e0\u306f\u300c\u305d\u306e\u74b0\u5883\u306e\u30ab\u30fc\u30cd\u30eb\/\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u4f55\u3092\u53d7\u3051\u4ed8\u3051\u308b\u304b\u300d\u3067\u3059\u3002<\/p> <p>\u5b9f\u52d9\u3067\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u201c\u6700\u5c0f\u201d\u306b\u623b\u3057\u3066\u901a\u3059\u3053\u3068\u304c\u3001\u6700\u77ed\u306e\u30ce\u30a4\u30ba\u30ab\u30c3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u307e\u305a\u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff08\u53ef\u80fd\u306a\u3089\uff09\uff0b\u6700\u4f4e\u9650\u306e\u6307\u5b9a\u3067\u901a\u3057\u3001\u8ffd\u52a0\u30aa\u30d7\u30b7\u30e7\u30f3\u30921\u3064\u305a\u3064\u623b\u3057\u3066\u3001\u3069\u308c\u3067EINVAL\u306b\u306a\u308b\u304b\u3092\u78ba\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u539f\u56e0\u304c\u300c\u7279\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u300d\u306a\u306e\u304b\u300c\u305d\u3082\u305d\u3082\u5225\u7269\u3092\u30de\u30a6\u30f3\u30c8\u3057\u3066\u3044\u308b\u300d\u306e\u304b\u3092\u5207\u308a\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p> <hr> <h3>\u30c7\u30d0\u30a4\u30b9\u5468\u308a\uff1aioctl\u7531\u6765\u306eEINVAL\u304c\u6df7\u3056\u308b<\/h3> <p>\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u3084\u7279\u6b8a\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u5185\u90e8\u3067ioctl\u304c\u547c\u3070\u308c\u3001\u305d\u3053\u3067EINVAL\u304c\u8fd4\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30c4\u30fc\u30eb\u304c\u30c7\u30d0\u30a4\u30b9\u306e\u5c5e\u6027\u53d6\u5f97\u3084\u6a5f\u80fd\u8a2d\u5b9a\u3092\u884c\u3046\u969b\u306b\u3001\u30c9\u30e9\u30a4\u30d0\u304c\u305d\u306e\u8981\u6c42\u3092\u53d7\u3051\u4ed8\u3051\u306a\u3044\u5834\u5408\u3067\u3059\u3002\u3053\u306e\u3068\u304d\u306e\u8abf\u67fb\u306f\u300cmount\u3060\u3051\u3092\u898b\u308b\u300d\u3067\u306f\u4e0d\u8db3\u3057\u307e\u3059\u3002strace\u3067\u30c4\u30fc\u30eb\u304c\u547c\u3093\u3060ioctl\u756a\u53f7\u3084\u5f15\u6570\u3092\u62bc\u3055\u3048\u3001\u5bfe\u8c61\u306e\u30c9\u30e9\u30a4\u30d0\u30fb\u30ab\u30fc\u30cd\u30eb\u6a5f\u80fd\u3068\u306e\u6574\u5408\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u3068\u306e\u5207\u308a\u5206\u3051<\/h3> <p>\u91cd\u8981\u306a\u306e\u306f\u3001EINVAL\u304c\u51fa\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u5373\u5ea7\u306b\u201c\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u58ca\u308c\u305f\u201d\u3068\u7d50\u8ad6\u3065\u3051\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u4e0d\u4e00\u81f4\u3084\u69cb\u6210\u5dee\u3067\u3082EINVAL\u306f\u8d77\u304d\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u5b9f\u969b\u306b\u6574\u5408\u6027\u554f\u984c\u304c\u7d61\u3080\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u306f\u300c\u30ed\u30b0\uff08dmesg\uff09\u306b\u6574\u5408\u6027\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u308b\u304b\u300d\u300cI\/O\u30a8\u30e9\u30fc\u3084\u8aad\u307f\u53d6\u308a\u5931\u6557\u304c\u4f75\u767a\u3057\u3066\u3044\u308b\u304b\u300d\u300c\u540c\u4e00\u30c7\u30d0\u30a4\u30b9\u306b\u5bfe\u3059\u308b\u4ed6\u64cd\u4f5c\u3067\u3082\u7570\u5e38\u304c\u51fa\u308b\u304b\u300d\u3092\u8ef8\u306b\u3001\u4e8b\u5b9f\u3067\u5207\u308a\u5206\u3051\u307e\u3059\u3002<\/p> <hr> <p><strong>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/strong><\/p> <ul> <li>mount\/FS\u306eEINVAL\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u4e0d\u4e00\u81f4\u3068\u74b0\u5883\u5dee\u5206\u304c\u539f\u56e0\u306b\u306a\u308a\u3084\u3059\u3044\u3002<\/li> <li>\u307e\u305a\u5b9f\u5f15\u6570\u3068\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\u306e\u4e8b\u5b9f\u3092\u56fa\u5b9a\u3057\u3001\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u3078\u623b\u3057\u3066\u5dee\u5206\u3067\u7279\u5b9a\u3059\u308b\u3002<\/li> <li>ioctl\u3084\u30c9\u30e9\u30a4\u30d0\u5dee\u5206\u304c\u6df7\u3056\u308b\u5834\u5408\u306f\u3001strace\u3068\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u3067\u5c64\u3092\u5206\u3051\u3066\u8ffd\u3046\u3002<\/li> <\/ul> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec08\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u96c6\u2462\uff1a\u30b3\u30f3\u30c6\u30ca\/Docker\/systemd\u2500\u2500\u540d\u524d\u7a7a\u9593\u30fb\u6a29\u9650\u30fb\u30ab\u30fc\u30cd\u30eb\u5dee\u5206\u304c\u201c\u5f15\u6570\u4e0d\u6b63\u201d\u306b\u898b\u305b\u308b<\/h2> <p>\u30b3\u30f3\u30c6\u30ca\u3084systemd\u304c\u7d61\u3080\u3068\u3001\u540c\u3058\u30b3\u30de\u30f3\u30c9\u30fb\u540c\u3058\u8a2d\u5b9a\u3067\u3082EINVAL\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u96e3\u3057\u3055\u306f\u3001\u30a2\u30d7\u30ea\u304c\u6e21\u3057\u305f\u5f15\u6570\u304c\u201c\u672c\u5f53\u306b\u4e0d\u6b63\u201d\u3068\u3044\u3046\u3088\u308a\u3001\u5b9f\u884c\u74b0\u5883\u304c\u524d\u63d0\u3092\u6e80\u305f\u3055\u305a\u300c\u305d\u306e\u6307\u5b9a\u306f\u53d7\u3051\u4ed8\u3051\u306a\u3044\u300d\u3068\u62d2\u5426\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u6df7\u3056\u308b\u3053\u3068\u3067\u3059\u3002\u7d50\u679c\u3060\u3051\u3092\u898b\u308b\u3068\u5f15\u6570\u4e0d\u6b63\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u614b\u306f\u6a29\u9650\u30fb\u6a5f\u80fd\u30fb\u540d\u524d\u7a7a\u9593\u30fb\u5206\u96e2\u8a2d\u5b9a\u306e\u554f\u984c\u3067\u3042\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p> <hr> <h3>\u30b3\u30f3\u30c6\u30ca\u3067\u8d77\u304d\u3084\u3059\u3044\u201c\u74b0\u5883\u524d\u63d0\u306e\u30ba\u30ec\u201d<\/h3> <ul> <li>\u30ab\u30fc\u30cd\u30eb\u6a5f\u80fd\u306e\u5dee\uff1a\u30db\u30b9\u30c8\u306e\u30ab\u30fc\u30cd\u30eb\u304c\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u3002<\/li> <li>\u30b1\u30fc\u30d1\u30d3\u30ea\u30c6\u30a3\u4e0d\u8db3\uff1a\u30b3\u30f3\u30c6\u30ca\u5185\u306eroot\u3067\u3082\u3001\u30db\u30b9\u30c8\u5074\u3067\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u64cd\u4f5c\u304c\u3042\u308b\u3002<\/li> <li>seccomp\/LSM\u5236\u9650\uff1a\u8a31\u53ef\u3055\u308c\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3084\u30aa\u30d7\u30b7\u30e7\u30f3\u6307\u5b9a\u304c\u3042\u308a\u3001\u6319\u52d5\u304c\u5909\u308f\u308b\u3002<\/li> <li>\u30de\u30a6\u30f3\u30c8\u4f1d\u64ad\/\u540d\u524d\u7a7a\u9593\uff1a\u30de\u30a6\u30f3\u30c8\u306e\u898b\u3048\u65b9\u3084\u6a29\u9650\u5883\u754c\u304c\u30db\u30b9\u30c8\u3068\u7570\u306a\u308b\u3002<\/li> <li>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u8cea\uff1aread-only rootfs\u3001overlayfs\u306e\u5236\u7d04\u3001\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u6271\u3044\u306e\u5dee\u3002<\/li> <\/ul> <p>\u4f8b\u3048\u3070\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9ad8\u5ea6\u306a\u8a2d\u5b9a\u3001\u7279\u6b8a\u306a\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u30c7\u30d0\u30a4\u30b9\u64cd\u4f5c\u3001\u7279\u5b9a\u306e\u30bd\u30b1\u30c3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u3069\u306f\u3001\u30db\u30b9\u30c8\u3068\u30b3\u30f3\u30c6\u30ca\u3067\u524d\u63d0\u304c\u5909\u308f\u308a\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u300c\u305d\u306e\u5f15\u6570\u306f\u7121\u52b9\u300d\u3068\u3044\u3046\u8fd4\u308a\u65b9\u306b\u306a\u308a\u3001EINVAL\u304c\u51fa\u307e\u3059\u3002<\/p> <hr> <h3>Docker\/OCI\u306e\u8a2d\u5b9a\u3067\u201c\u540c\u3058\u30a2\u30d7\u30ea\u304c\u5225\u7269\u306b\u306a\u308b\u201d\u30dd\u30a4\u30f3\u30c8<\/h3> <p>\u30a2\u30d7\u30ea\u5074\u306b\u5909\u66f4\u304c\u7121\u304f\u3066\u3082\u3001\u5b9f\u884c\u306e\u5916\u5074\uff08\u30e9\u30f3\u30bf\u30a4\u30e0\u8a2d\u5b9a\uff09\u3067\u524d\u63d0\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u8abf\u67fb\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30a4\u30e1\u30fc\u30b8\u30bf\u30b0\u3060\u3051\u3067\u306a\u304f\u3001\u8d77\u52d5\u6642\u306e\u6307\u5b9a\uff08\u30de\u30a6\u30f3\u30c8\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u6a29\u9650\u3001\u30c7\u30d0\u30a4\u30b9\u4ed8\u4e0e\u3001read-only\u306a\u3069\uff09\u3092\u4e8b\u5b9f\u3068\u3057\u3066\u56fa\u5b9a\u3057\u307e\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u5916\u5074\u306e\u8a2d\u5b9a<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">EINVAL\u306b\u898b\u3048\u3084\u3059\u3044\u75c7\u72b6<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u89b3\u6e2c\u306e\u7740\u773c\u70b9<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">read-only rootfs \/ \u5909\u66f4\u4e0d\u53ef\u306e\u30de\u30a6\u30f3\u30c8<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u8a2d\u5b9a\u53cd\u6620\u3084\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u3067\u5931\u6557\u3057\u3001\u9593\u63a5\u7684\u306bEINVAL\u304c\u51fa\u308b<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u66f8\u304d\u8fbc\u307f\u5148\u306e\u30d1\u30b9\u3001tmpfs\u306e\u6709\u7121\u3001\u30a2\u30d7\u30ea\u306e\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">capabilities\u524a\u6e1b \/ \u7279\u6a29\u306a\u3057<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">setsockopt\u3084mount\u5468\u308a\u3067\u201c\u53d7\u7406\u3055\u308c\u306a\u3044\u201d\u5f62\u306e\u5931\u6557<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u5b9f\u884c\u6a29\u9650\u3001\u5fc5\u8981\u30b1\u30fc\u30d1\u30d3\u30ea\u30c6\u30a3\u3001\u30db\u30b9\u30c8\u5074\u30dd\u30ea\u30b7\u30fc<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">seccomp\/LSM<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u4e00\u90e8\u306e\u547c\u3073\u51fa\u3057\u304c\u901a\u3089\u305a\u3001\u5f15\u6570\u4e0d\u6b63\u306b\u898b\u3048\u308b\u5931\u6557<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">strace\u3067\u5931\u6557\u3059\u308b\u547c\u3073\u51fa\u3057\u3001\u5b9f\u884c\u74b0\u5883\u306e\u5236\u9650\u5185\u5bb9<\/td> <\/tr> <\/table> <hr> <h3>systemd\u3067\u8d77\u304d\u3084\u3059\u3044\u201c\u8d77\u52d5\u5b9a\u7fa9\u306e\u30ba\u30ec\u201d<\/h3> <p>systemd\u306f\u3001\u8d77\u52d5\u306e\u5916\u5074\uff08Unit\u30d5\u30a1\u30a4\u30eb\uff09\u3067\u74b0\u5883\u3092\u4f5c\u308a\u8fbc\u307f\u307e\u3059\u3002ExecStart\u306e\u5f15\u6570\u3060\u3051\u3067\u306a\u304f\u3001WorkingDirectory\u3001Environment\u3001CapabilityBoundingSet\u3001NoNewPrivileges\u3001ProtectSystem\u3001PrivateTmp\u3001ReadWritePaths\u306a\u3069\u306e\u6307\u5b9a\u304c\u3001\u30a2\u30d7\u30ea\u306e\u524d\u63d0\u3092\u5909\u3048\u307e\u3059\u3002\u30a2\u30d7\u30ea\u304b\u3089\u898b\u308b\u3068\u300c\u540c\u3058\u30b3\u30de\u30f3\u30c9\u300d\u3067\u3082\u3001\u5b9f\u884c\u74b0\u5883\u304c\u5225\u7269\u306b\u306a\u308a\u3001\u7d50\u679c\u3068\u3057\u3066EINVAL\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u8abf\u67fb\u306e\u5b9f\u52d9\u3067\u306f\u3001Unit\u30d5\u30a1\u30a4\u30eb\u306e\u8a72\u5f53\u7b87\u6240\u3068\u3001systemd\u304c\u5b9f\u969b\u306b\u89e3\u91c8\u3057\u305f\u8d77\u52d5\u6761\u4ef6\uff08\u4e0a\u66f8\u304d\u3084\u30c9\u30ed\u30c3\u30d7\u30a4\u30f3\u542b\u3080\uff09\u3092\u30bb\u30c3\u30c8\u3067\u62bc\u3055\u3048\u307e\u3059\u3002\u3053\u3053\u3092\u62bc\u3055\u3048\u305a\u306b\u30a2\u30d7\u30ea\u5074\u3060\u3051\u3092\u898b\u3066\u3057\u307e\u3046\u3068\u3001\u539f\u56e0\u304c\u201c\u53ce\u675f\u201d\u3057\u307e\u305b\u3093\u3002<\/p> <hr> <h3>\u201c\u30db\u30b9\u30c8\u3067\u306f\u52d5\u304f\u201d\u304c\u8a3c\u62e0\u306b\u306a\u3089\u306a\u3044\u3068\u304d<\/h3> <p>\u540c\u3058\u30d0\u30a4\u30ca\u30ea\u304c\u30db\u30b9\u30c8\u3067\u52d5\u304d\u3001\u30b3\u30f3\u30c6\u30ca\u3067\u843d\u3061\u308b\u5834\u5408\u306f\u3001\u5f15\u6570\u306e\u59a5\u5f53\u6027\u3068\u3044\u3046\u3088\u308a\u524d\u63d0\u6761\u4ef6\u306e\u5dee\u5206\u304c\u7591\u308f\u3057\u3044\u72b6\u6cc1\u3067\u3059\u3002\u9006\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u3067\u306f\u52d5\u304f\u304c\u30db\u30b9\u30c8\u306esystemd\u8d77\u52d5\u3067\u843d\u3061\u308b\u5834\u5408\u3082\u3001Unit\u306e\u5236\u9650\u304c\u5f15\u304d\u91d1\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u306f\u300c\u3069\u3053\u3067\u52d5\u304f\u304b\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u4f55\u304c\u9055\u3046\u304b\u300d\u3092\u4e8b\u5b9f\u3068\u3057\u3066\u4e26\u3079\u3001\u5dee\u5206\u304b\u3089\u6f70\u3059\u306e\u304c\u4e00\u756a\u901f\u3044\u9053\u3067\u3059\u3002<\/p> <hr> <p><strong>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/strong><\/p> <ul> <li>\u30b3\u30f3\u30c6\u30ca\/systemd\u306f\u201c\u5b9f\u884c\u74b0\u5883\u305d\u306e\u3082\u306e\u201d\u3092\u5909\u3048\u308b\u305f\u3081\u3001EINVAL\u304c\u5f15\u6570\u4e0d\u6b63\u306b\u898b\u3048\u3066\u3082\u524d\u63d0\u4e0d\u4e00\u81f4\u304c\u539f\u56e0\u306b\u306a\u308a\u5f97\u308b\u3002<\/li> <li>\u8d77\u52d5\u306e\u5916\u5074\uff08\u6a29\u9650\u3001\u5236\u9650\u3001\u30de\u30a6\u30f3\u30c8\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001Unit\u8a2d\u5b9a\uff09\u3092\u4e8b\u5b9f\u3068\u3057\u3066\u56fa\u5b9a\u3057\u3001\u5dee\u5206\u3067\u5207\u308a\u5206\u3051\u308b\u3002<\/li> <li>\u30a2\u30d7\u30ea\u5074\u306e\u4fee\u6b63\u306b\u5165\u308b\u524d\u306b\u3001\u5916\u5074\u306e\u5951\u7d04\uff08\u8a31\u53ef\u3055\u308c\u308b\u64cd\u4f5c\uff09\u3092\u660e\u78ba\u306b\u3059\u308b\u3002<\/li> <\/ul> \r\n\r\n <p>\u3000<\/p> <a id=\"sec09\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u81ea\u52d5\u4fee\u6b63\u306e\u8a2d\u8a08\u2500\u2500\u4e8b\u524d\u691c\u8a3c\u30fb\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30fb\u5b89\u5168\u306a\u518d\u8a66\u884c\u3067\u300c\u76f4\u3059\u4ed5\u7d44\u307f\u300d\u3092\u30b3\u30fc\u30c9\u5316\u3059\u308b<\/h2> <p>EINVAL(22)\u3092\u201c\u305d\u306e\u5834\u3057\u306e\u304e\u201d\u3067\u76f4\u3059\u307b\u3069\u3001\u6b21\u306e\u591c\u304c\u91cd\u304f\u306a\u308a\u307e\u3059\u3002\u5927\u4e8b\u306a\u306e\u306f\u3001\u539f\u56e0\u304c\u4f55\u3067\u3042\u308c\u300c\u540c\u3058\u7a2e\u985e\u306e\u524d\u63d0\u9055\u53cd\u300d\u3092\u518d\u3073\u8d77\u3053\u3055\u306a\u3044\u4ed5\u7d44\u307f\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u518d\u73fe\u2192\u89b3\u6e2c\u2192\u539f\u56e0\u7279\u5b9a\u306e\u5148\u306b\u3042\u308b\u300c\u81ea\u52d5\u4fee\u6b63\uff08\u307e\u305f\u306f\u81ea\u52d5\u56de\u907f\uff09\u300d\u3092\u3001\u58ca\u3055\u305a\u306b\u7d44\u307f\u8fbc\u3080\u8a2d\u8a08\u3092\u6271\u3044\u307e\u3059\u3002<\/p> <hr> <h3>\u81ea\u52d5\u4fee\u6b63\u306e\u57fa\u672c\u65b9\u91dd\uff1a3\u6bb5\u968e\u3067\u7d44\u3080<\/h3> <ol> <li><strong>\u4e8b\u524d\u691c\u8a3c\uff08Preflight\uff09<\/strong>\uff1a\u547c\u3073\u51fa\u3057\u524d\u306b\u201c\u5951\u7d04\u9055\u53cd\u201d\u3092\u5f3e\u304d\u3001\u4f55\u304c\u4e0d\u6b63\u304b\u3092\u30ed\u30b0\u306b\u6b8b\u3059\u3002<\/li> <li><strong>\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af<\/strong>\uff1a\u5931\u6557\u3057\u305f\u3089\u201c\u5b89\u5168\u5074\u306e\u4ee3\u66ff\u201d\u3078\u843d\u3068\u3059\uff08\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u5225\u5b9f\u88c5\u3001\u5225\u30d1\u30b9\uff09\u3002<\/li> <li><strong>\u5b89\u5168\u306a\u518d\u8a66\u884c<\/strong>\uff1a\u72b6\u614b\u304c\u5909\u308f\u308b\u64cd\u4f5c\u306f\u7121\u9650\u306b\u7e70\u308a\u8fd4\u3055\u305a\u3001\u518d\u8a66\u884c\u6761\u4ef6\u3068\u4e0a\u9650\u3092\u660e\u78ba\u5316\u3059\u308b\u3002<\/li> <\/ol> <p>\u3053\u306e3\u6bb5\u968e\u3092\u5165\u308c\u308b\u3060\u3051\u3067\u3001EINVAL\u306e\u591a\u304f\u306f\u300c\u539f\u56e0\u4e0d\u660e\u3067\u9577\u5f15\u304f\u300d\u72b6\u614b\u304b\u3089\u8131\u3057\u3001\u969c\u5bb3\u5bfe\u5fdc\u304c\u201c\u8edf\u7740\u9678\u201d\u3057\u307e\u3059\u3002<\/p> <hr> <h3>1) \u4e8b\u524d\u691c\u8a3c\uff1a\u5951\u7d04\u3092\u201cif\u6587\u201d\u306b\u843d\u3068\u3059<\/h3> <p>\u4e8b\u524d\u691c\u8a3c\u306f\u3001\u6280\u8853\u7684\u306b\u306f\u5358\u7d14\u3067\u3059\u3002\u305f\u3060\u3057\u4fa1\u5024\u304c\u9ad8\u3044\u306e\u306f\u300c\u4e0d\u6b63\u306a\u7406\u7531\u304c\u30ed\u30b0\u306b\u6b8b\u308b\u300d\u70b9\u3067\u3059\u3002\u4f8b\u3048\u3070mmap\u306a\u3089\u3001offset\u304c\u30da\u30fc\u30b8\u5883\u754c\u304b\u3001length\u304c0\u3067\u306f\u306a\u3044\u304b\u3001prot\u3068flags\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u77db\u76fe\u3057\u306a\u3044\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002setsockopt\u306a\u3089\u3001optname\u3054\u3068\u306b\u578b\u3068\u9577\u3055\uff08optlen\uff09\u3092\u56fa\u5b9a\u3057\u3001\u6e21\u3059\u5024\u57df\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002ioctl\u306a\u3089\u3001\u69cb\u9020\u4f53\u3092\u30bc\u30ed\u521d\u671f\u5316\u3057\u3001\u30b5\u30a4\u30ba\u3092\u4e00\u81f4\u3055\u305b\u3001\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u57cb\u307e\u3063\u3066\u3044\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p> <p>\u91cd\u8981\u306a\u306e\u306f\u3001\u30c1\u30a7\u30c3\u30af\u306b\u843d\u3061\u305f\u3068\u304d\u306e\u30ed\u30b0\u3067\u3059\u3002\u5358\u306b\u300cEINVAL\u300d\u3068\u51fa\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u300c\u3069\u306e\u5951\u7d04\u306b\u9055\u53cd\u3057\u305f\u304b\uff08\u4f8b\uff1aoffset not page-aligned\uff09\u300d\u304c\u6b8b\u308b\u5f62\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u3060\u3051\u3067\u3001\u6b21\u56de\u306e\u8abf\u67fb\u30b3\u30b9\u30c8\u304c\u5927\u5e45\u306b\u4e0b\u304c\u308a\u307e\u3059\u3002<\/p> <hr> <h3>2) \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\uff1a\u6210\u529f\u7387\u3088\u308a\u201c\u5b89\u5168\u6027\u3068\u518d\u73fe\u6027\u201d\u3092\u512a\u5148\u3059\u308b<\/h3> <p>\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b89\u5168\u306b\u3059\u308b\u306b\u306f\u300c\u5931\u6557\u6642\u306b\u4f55\u3092\u8ae6\u3081\u308b\u304b\u300d\u3092\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070mount\u3067\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u539f\u56e0\u306a\u3089\u3001\u307e\u305a\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30de\u30a6\u30f3\u30c8\u3067\u304d\u308b\u304b\u3092\u8a66\u3057\u3001\u8ffd\u52a0\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6bb5\u968e\u7684\u306b\u623b\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3089\u3001\u3088\u308a\u4fdd\u5b88\u7684\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u4e92\u63db\u6027\u306e\u9ad8\u3044\u6307\u5b9a\uff09\u3078\u843d\u3068\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u306a\u3089\u3001\u7279\u6b8a\u30d5\u30e9\u30b0\u3092\u5916\u3057\u3066\u57fa\u672c\u6a5f\u80fd\u3060\u3051\u3067\u7d99\u7d9a\u3059\u308b\u3001\u306a\u3069\u3067\u3059\u3002<\/p> <p>\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u8a2d\u8a08\u3059\u308b\u3068\u304d\u306e\u5224\u65ad\u57fa\u6e96\u306f\u3001\u6b21\u306e3\u3064\u3067\u3059\u3002<\/p> <ul> <li><strong>\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u58ca\u3055\u306a\u3044<\/strong>\uff1a\u6210\u529f\u3057\u3066\u3082\u526f\u4f5c\u7528\u304c\u5927\u304d\u3044\u624b\u306f\u63a1\u7528\u3057\u306a\u3044\u3002<\/li> <li><strong>\u89b3\u6e2c\u53ef\u80fd\u3067\u3042\u308b<\/strong>\uff1a\u3069\u306e\u5206\u5c90\u306b\u843d\u3061\u305f\u304b\u3001\u7406\u7531\u304c\u30ed\u30b0\u306b\u6b8b\u308b\u3002<\/li> <li><strong>\u5143\u306b\u623b\u305b\u308b<\/strong>\uff1a\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u9069\u7528\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u3001\u8a2d\u5b9a\u304c\u6052\u4e45\u5316\u3057\u306a\u3044\u3002<\/li> <\/ul> <hr> <h3>3) \u5b89\u5168\u306a\u518d\u8a66\u884c\uff1a\u72b6\u614b\u304c\u5909\u308f\u308b\u64cd\u4f5c\u306f\u201c\u6761\u4ef6\u4ed8\u304d\u201d\u306b\u3059\u308b<\/h3> <p>EINVAL\u3092\u518d\u8a66\u884c\u3067\u62bc\u3057\u5207\u308d\u3046\u3068\u3059\u308b\u3068\u3001\u72b6\u6cc1\u304c\u60aa\u5316\u3057\u307e\u3059\u3002\u7279\u306b\u3001mount\/umount\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u518d\u8a2d\u5b9a\u3001\u30c7\u30d0\u30a4\u30b9\u64cd\u4f5c\u3001\u8d77\u52d5\u8a2d\u5b9a\u306e\u53cd\u6620\u306a\u3069\u306f\u3001\u7e70\u308a\u8fd4\u3059\u307b\u3069\u539f\u56e0\u304c\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u518d\u8a66\u884c\u3092\u5165\u308c\u308b\u306a\u3089\u3001\u6761\u4ef6\u306f\u660e\u78ba\u306b\u3057\u307e\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u64cd\u4f5c\u306e\u7a2e\u985e<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u518d\u8a66\u884c\u306e\u6271\u3044<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u7406\u7531<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u7d14\u7c8b\u306a\u8aad\u307f\u53d6\u308a\uff08\u72b6\u614b\u3092\u5909\u3048\u306a\u3044\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u6761\u4ef6\u4ed8\u304d\u3067\u8a31\u5bb9\uff08\u77ed\u6642\u9593\u30fb\u4e0a\u9650\u3042\u308a\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u4e00\u6642\u7684\u306a\u7af6\u5408\u3084\u9045\u5ef6\u3067\u6539\u5584\u3059\u308b\u4f59\u5730\u304c\u3042\u308b<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u72b6\u614b\u9077\u79fb\u3092\u4f34\u3046\u64cd\u4f5c<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u539f\u5247\u6291\u3048\u8fbc\u307f\uff08\u4e0a\u9650\u53b3\u683c\u3001\u6210\u529f\u6761\u4ef6\u306e\u660e\u793a\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u8a66\u884c\u304c\u65b0\u3057\u3044\u72b6\u614b\u3092\u4f5c\u308a\u3001\u539f\u56e0\u306e\u75d5\u8de1\u3068\u518d\u73fe\u6027\u3092\u58ca\u3059<\/td> <\/tr> <\/table> <hr> <h3>\u81ea\u52d5\u4fee\u6b63\u3092\u904b\u7528\u3078\u8f09\u305b\u308b\uff1a\u5c0f\u3055\u304f\u59cb\u3081\u3066\u5e83\u3052\u308b<\/h3> <p>\u81ea\u52d5\u4fee\u6b63\u306f\u3001\u6700\u521d\u304b\u3089\u201c\u5168\u30d1\u30bf\u30fc\u30f3\u5bfe\u5fdc\u201d\u3092\u72d9\u3046\u307b\u3069\u5371\u967a\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u52d9\u3067\u306f\u3001\u307e\u305a\u300c\u983b\u51fa\u3067\u3001\u5951\u7d04\u304c\u660e\u78ba\u3067\u3001\u691c\u8a3c\u53ef\u80fd\u306a\u90e8\u5206\u300d\u304b\u3089\u5165\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001setsockopt\u306eoptlen\u7d71\u4e00\u30e9\u30c3\u30d1\u30fc\u3001mmap\u5f15\u6570\u306e\u4e8b\u524d\u691c\u8a3c\u3001mount\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6bb5\u968e\u9069\u7528\u3001ioctl\u69cb\u9020\u4f53\u306e\u30bc\u30ed\u521d\u671f\u5316\u3068\u30b5\u30a4\u30ba\u691c\u8a3c\u306a\u3069\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u526f\u4f5c\u7528\u304c\u5c0f\u3055\u304f\u3001\u30ed\u30b0\u3067\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p> <p>\u6b21\u306b\u3001\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u9069\u7528\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u307e\u3059\u3002\u6a5f\u80fd\u30d5\u30e9\u30b0\u3067ON\/OFF\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001\u30ab\u30ca\u30ea\u30a2\u74b0\u5883\u3084\u4e00\u90e8\u306e\u30ce\u30fc\u30c9\u3067\u5148\u306b\u6709\u52b9\u5316\u3057\u307e\u3059\u3002\u3053\u3053\u307e\u3067\u6765\u308b\u3068\u3001EINVAL\u5bfe\u5fdc\u306f\u201c\u8077\u4eba\u82b8\u201d\u304b\u3089\u201c\u4ed5\u7d44\u307f\u201d\u3078\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <hr> <p><strong>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/strong><\/p> <ul> <li>\u81ea\u52d5\u4fee\u6b63\u306f\u300c\u4e8b\u524d\u691c\u8a3c\u2192\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u2192\u5b89\u5168\u306a\u518d\u8a66\u884c\u300d\u306e3\u6bb5\u968e\u3067\u8a2d\u8a08\u3059\u308b\u3068\u58ca\u308c\u306b\u304f\u3044\u3002<\/li> <li>\u30ed\u30b0\u306b\u201c\u3069\u306e\u5951\u7d04\u306b\u9055\u53cd\u3057\u305f\u304b\u201d\u3092\u6b8b\u305b\u308b\u5f62\u306b\u3059\u308b\u3068\u3001\u8abf\u67fb\u30b3\u30b9\u30c8\u304c\u4e0b\u304c\u308b\u3002<\/li> <li>\u5c0f\u3055\u304f\u5c0e\u5165\u3057\u3001\u7bc4\u56f2\u3092\u9650\u5b9a\u3057\u306a\u304c\u3089\u5e83\u3052\u308b\u3068\u3001\u73fe\u5834\u306e\u8ca0\u50b5\u306b\u306a\u308a\u306b\u304f\u3044\u3002<\/li> <\/ul> \r\n\r\n <p>\u3000<\/p> <a id=\"sec10\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5e30\u7d50\uff1aEINVAL\u3092\u201c\u4ed5\u69d8\u306e\u7ffb\u8a33\u30df\u30b9\u691c\u77e5\u5668\u201d\u306b\u3059\u308b\u2500\u2500\u518d\u73fe\u2192\u89b3\u6e2c\u2192\u4fee\u6b63\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u591c\u9593\u5bfe\u5fdc\u3092\u6e1b\u3089\u3059<\/h2> <p>EINVAL(22)\u306f\u3001\u5358\u306a\u308b\u300c\u5f15\u6570\u304c\u5909\u300d\u3068\u3044\u3046\u8a71\u3067\u306f\u7d42\u308f\u308a\u307e\u305b\u3093\u3002\u5b9f\u52d9\u306e\u6b63\u4f53\u306f\u3001\u4ed5\u69d8\uff08\u5951\u7d04\uff09\u3068\u5b9f\u88c5\uff08\u74b0\u5883\uff09\u306e\u7ffb\u8a33\u30df\u30b9\u3067\u3059\u3002\u30a2\u30d7\u30ea\u304c\u610f\u56f3\u3057\u305f\u610f\u5473\u304c\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u30fb\u30ab\u30fc\u30cd\u30eb\u30fb\u30c9\u30e9\u30a4\u30d0\u30fb\u30b3\u30f3\u30c6\u30ca\u30fb\u8d77\u52d5\u57fa\u76e4\u3092\u901a\u308b\u9014\u4e2d\u3067\u5225\u306e\u610f\u5473\u306b\u89e3\u91c8\u3055\u308c\u3001\u53d7\u7406\u3055\u308c\u306a\u3044\u3002\u305d\u306e\u7d50\u679c\u3068\u3057\u306622\u304c\u8fd4\u308b\u3002\u3053\u3053\u307e\u3067\u5206\u89e3\u3067\u304d\u308b\u3068\u3001\u5bfe\u51e6\u306f\u201c\u7d4c\u9a13\u5247\u201d\u304b\u3089\u201c\u518d\u73fe\u6027\u306e\u3042\u308b\u624b\u9806\u201d\u306b\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u518d\u767a\u9632\u6b62\u306e\u6700\u77ed\u30eb\u30fc\u30c8\uff1a3\u3064\u306e\u6210\u679c\u7269\u3092\u6b8b\u3059<\/h3> <ol> <li><strong>\u6700\u5c0f\u518d\u73fe<\/strong>\uff1aEINVAL\u304c\u51fa\u308b\u6700\u5c0f\u306e\u547c\u3073\u51fa\u3057\uff08\u30b3\u30de\u30f3\u30c9\/\u77ed\u3044\u30b3\u30fc\u30c9\/\u8a2d\u5b9a\uff09<\/li> <li><strong>\u89b3\u6e2c\u30ed\u30b0<\/strong>\uff1a\u3069\u306e\u547c\u3073\u51fa\u3057\u304cEINVAL\u3092\u8fd4\u3057\u305f\u304b\uff08strace\u3001\u95a2\u9023\u30ed\u30b0\u3001\u74b0\u5883\u60c5\u5831\uff09<\/li> <li><strong>\u5951\u7d04\u30c1\u30a7\u30c3\u30af<\/strong>\uff1a\u4e8b\u524d\u691c\u8a3c\u30fb\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30fb\u518d\u8a66\u884c\u6761\u4ef6\u3068\u3057\u3066\u30b3\u30fc\u30c9\u5316\u3055\u308c\u305f\u30eb\u30fc\u30eb<\/li> <\/ol> <p>\u3053\u306e3\u3064\u304c\u63c3\u3046\u3068\u3001\u540c\u3058\u7a2e\u985e\u306eEINVAL\u306f\u201c\u521d\u52d5\u3067\u6291\u3048\u8fbc\u307f\u201d\u3067\u304d\u307e\u3059\u3002\u8abf\u67fb\u304c\u9577\u5f15\u304f\u306e\u306f\u3001\u3069\u308c\u304b\u304c\u6b20\u3051\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p> <hr> <h3>\u4e00\u822c\u8ad6\u306e\u9650\u754c\uff1a\u74b0\u5883\u30fb\u5951\u7d04\u30fb\u30ea\u30b9\u30af\u304c\u6848\u4ef6\u3054\u3068\u306b\u9055\u3046<\/h3> <p>\u3053\u3053\u307e\u3067\u8ff0\u3079\u305f\u624b\u9806\u306f\u3001\u3069\u306e\u73fe\u5834\u3067\u3082\u901a\u7528\u3059\u308b\u201c\u9aa8\u683c\u201d\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5b9f\u969b\u306e\u5951\u7d04\u306f\u6848\u4ef6\u3054\u3068\u306b\u9055\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u540c\u3058mount\u3067\u3082\u3001\u6697\u53f7\u5316\u30fb\u4eee\u60f3\u5316\u30fb\u591a\u91cdRAID\u30fb\u30af\u30e9\u30b9\u30bf\u30fb\u7279\u6b8a\u30c7\u30d0\u30a4\u30b9\u304c\u7d61\u3080\u3068\u3001\u72b6\u614b\u9077\u79fb\u306e\u30ea\u30b9\u30af\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3067\u3082\u3001LB\u914d\u4e0b\u30fb\u30bc\u30ed\u30c8\u30e9\u30b9\u30c8\u30fbeBPF\/\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u69cb\u30fb\u30b3\u30f3\u30c6\u30ca\u57fa\u76e4\u306e\u5236\u9650\u304c\u7d61\u3080\u3068\u3001\u8a31\u5bb9\u3055\u308c\u308b\u64cd\u4f5c\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u5dee\u5206\u3092\u7121\u8996\u3057\u3066\u4e00\u822c\u8ad6\u3060\u3051\u3067\u5bfe\u51e6\u3059\u308b\u3068\u3001\u305f\u307e\u305f\u307e\u76f4\u3063\u3066\u3082\u3001\u5225\u306e\u5834\u6240\u3067\u526f\u4f5c\u7528\u304c\u51fa\u307e\u3059\u3002\u73fe\u5834\u3067\u5fc5\u8981\u306a\u306e\u306f\u300c\u305d\u306e\u69cb\u6210\u306b\u3068\u3063\u3066\u5b89\u5168\u306a\u624b\u9806\u300d\u3068\u300c\u305d\u306e\u5951\u7d04\u306b\u6cbf\u3063\u305f\u4fee\u6b63\u300d\u3067\u3059\u3002<\/p> <hr> <h3>\u4f9d\u983c\u5224\u65ad\u30da\u30fc\u30b8\uff1a\u3053\u3046\u3044\u3046\u3068\u304d\u306f\u5c02\u9580\u5bb6\u3092\u5165\u308c\u305f\u65b9\u304c\u901f\u3044<\/h3> <ul> <li>\u672c\u756a\u3067\u518d\u73fe\u304c\u4e0d\u5b89\u5b9a\u3067\u3001\u89b3\u6e2c\u306e\u305f\u3081\u306e\u8a66\u884c\u304c\u6016\u3044\u3002<\/li> <li>\u30b9\u30c8\u30ec\u30fc\u30b8\/\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\/\u30c7\u30d0\u30a4\u30b9\u304c\u7d61\u307f\u3001\u5931\u6557\u304c\u30c7\u30fc\u30bf\u3084\u6574\u5408\u6027\u3078\u5f71\u97ff\u3057\u5f97\u308b\u3002<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u30fbsystemd\u30fb\u6a29\u9650\u5236\u5fa1\u304c\u8907\u96d1\u3067\u3001\u524d\u63d0\u6761\u4ef6\u306e\u5dee\u5206\u304c\u7279\u5b9a\u3067\u304d\u306a\u3044\u3002<\/li> <li>ioctl\u3084\u30c9\u30e9\u30a4\u30d0\u3001\u30ab\u30fc\u30cd\u30eb\u5dee\u5206\u304c\u7d61\u307f\u3001\u8abf\u67fb\u306b\u6df1\u3044\u5b9f\u88c5\u7406\u89e3\u304c\u5fc5\u8981\u3002<\/li> <li>\u201c\u76f4\u3059\u201d\u3060\u3051\u3067\u306a\u304f\u3001\u518d\u767a\u9632\u6b62\uff08\u81ea\u52d5\u691c\u8a3c\u30fb\u904b\u7528\u8a2d\u8a08\uff09\u307e\u3067\u5fc5\u8981\u3002<\/li> <\/ul> <p>\u4e0a\u8a18\u306e\u72b6\u6cc1\u3067\u306f\u3001\u5207\u308a\u5206\u3051\u3068\u5b89\u5168\u8a2d\u8a08\u3092\u540c\u6642\u306b\u9032\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u500b\u5225\u6848\u4ef6\u3068\u3057\u3066\u306e\u5224\u65ad\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> <hr> <h3>\u73fe\u5728\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u5225\uff1aEINVAL\u3092\u5897\u3084\u3059\u843d\u3068\u3057\u7a74\u3068\u5bfe\u7b56<\/h3> <p>\u540c\u3058Linux\u3067\u3082\u3001\u8a00\u8a9e\u30fb\u30e9\u30f3\u30bf\u30a4\u30e0\u306b\u3088\u3063\u3066\u201c\u5f15\u6570\u306e\u4f5c\u3089\u308c\u65b9\u201d\u304c\u9055\u3044\u3001EINVAL\u306e\u51fa\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u73fe\u5834\u3067\u983b\u51fa\u3059\u308b\u6ce8\u610f\u70b9\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u8a00\u8a9e\/\u9818\u57df<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u843d\u3068\u3057\u7a74\uff08EINVAL\u306b\u306a\u308a\u3084\u3059\u3044\u70b9\uff09<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u5b9f\u52d9\u5bfe\u7b56\uff08\u518d\u767a\u9632\u6b62\uff09<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">C \/ C++\uff08syscall, ioctl, FFI\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u69cb\u9020\u4f53\u672a\u521d\u671f\u5316\u3001sizeof\u4e0d\u4e00\u81f4\u3001\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\/ABI\u5dee\u5206\u3001\u6587\u5b57\u5217\u7d42\u7aef\u6f0f\u308c\u3001\u30d5\u30e9\u30b0\u7d44\u307f\u5408\u308f\u305b\u306e\u8aa4\u308a<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u30bc\u30ed\u521d\u671f\u5316\u306e\u5fb9\u5e95\u3001\u30b5\u30a4\u30ba\u691c\u8a3c\u30ed\u30b0\u3001\u30e9\u30c3\u30d1\u30fc\u95a2\u6570\u3067\u5951\u7d04\u30c1\u30a7\u30c3\u30af\u3001\u6210\u529f\/\u5931\u6557\u306e\u5f15\u6570\u5dee\u5206\u3092\u8a18\u9332<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">Rust\uff08libc\/unsafe\/FFI\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">repr(C)\u4e0d\u5099\u3001\u6240\u6709\u6a29\/\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u3067\u6e21\u3059\u30dd\u30a4\u30f3\u30bf\u304c\u77ed\u547d\u3001CString\u306e\u6271\u3044\u3001optlen\/\u578b\u306e\u53d6\u308a\u9055\u3048<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">FFI\u5883\u754c\u306e\u578b\u56fa\u5b9a\u3001repr(C)\u5fb9\u5e95\u3001\u30dd\u30a4\u30f3\u30bf\u5bff\u547d\u306e\u4fdd\u8a3c\u3001unsafe\u5883\u754c\u3067\u5951\u7d04\u30c1\u30a7\u30c3\u30af\u3092\u96c6\u7d04<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">Go\uff08syscall\/x\/sys\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u578b\u5909\u63db\u3067\u306e\u9577\u3055\/\u5358\u4f4d\u30df\u30b9\u3001\u69cb\u9020\u4f53\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u60f3\u5b9a\u9055\u3044\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u90fd\u5408\u3067\u306e\u547c\u3073\u51fa\u3057\u5dee\u5206<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">x\/sys\u306e\u5229\u7528\u7d71\u4e00\u3001\u5f15\u6570\u306e\u5358\u4f4d\u30fb\u5024\u57df\u30c1\u30a7\u30c3\u30af\u3001\u6210\u529f\u30b1\u30fc\u30b9\u3068\u306e\u5dee\u5206\u6bd4\u8f03\u30ed\u30b0\u3092\u6b8b\u3059<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">Python\uff08os, socket, ctypes\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u9ad8\u6c34\u6e96API\u306e\u88cf\u3067EINVAL\uff08\u5f15\u6570\u304c\u4e38\u3081\u3089\u308c\u308b\/\u6697\u9ed9\u5909\u63db\uff09\u3001ctypes\u3067\u306e\u578b\u30fb\u9577\u3055\u4e0d\u4e00\u81f4\u3001bytes\/str\u6df7\u5728<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">ctypes\u5883\u754c\u306e\u578b\u5b9a\u7fa9\u56fa\u5b9a\u3001bytes\/str\u306e\u7d71\u4e00\u3001\u4f8b\u5916\u6642\u306b\u5b9f\u5f15\u6570\u3092\u30ed\u30b0\u5316\u3001\u5fc5\u8981\u306a\u3089strace\u3067\u88cf\u5074\u3092\u89b3\u6e2c<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">Java \/ JVM\uff08JNI, NIO, Net\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">JNI\u3067\u306e\u69cb\u9020\u4f53\/\u30d0\u30c3\u30d5\u30a1\u9577\u4e0d\u4e00\u81f4\u3001NIO\u306e\u30c0\u30a4\u30ec\u30af\u30c8\u30d0\u30c3\u30d5\u30a1\u524d\u63d0\u3001OS\u4f9d\u5b58\u306e\u30bd\u30b1\u30c3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u5dee\u5206<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">JNI\u5883\u754c\u306e\u5951\u7d04\u30c1\u30a7\u30c3\u30af\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u5dee\u5206\u3092\u74b0\u5883\u3054\u3068\u306b\u8868\u306b\u3059\u308b\u3001\u5931\u6557\u6642\u306bOS\/\u30ab\u30fc\u30cd\u30eb\u60c5\u5831\u3092\u5fc5\u305a\u6b8b\u3059<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">Node.js\uff08libuv, net, fs\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u30e9\u30c3\u30d1\u30fc\u5c64\u304c\u539a\u304f\u201c\u3069\u306esyscall\u3067\u5931\u6557\u3057\u305f\u304b\u201d\u304c\u898b\u3048\u306b\u304f\u3044\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u6307\u5b9a\u306e\u4e92\u63db\u6027\u5dee<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u5931\u6557\u6642\u306b\u74b0\u5883\u3068\u8a2d\u5b9a\u3092\u56fa\u5b9a\u3001\u5fc5\u8981\u306a\u3089node\u30d7\u30ed\u30bb\u30b9\u306bstrace\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u6307\u5b9a\u3092\u6bb5\u968e\u9069\u7528\u3067\u5207\u308a\u5206\u3051<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">Bash\/\u30b7\u30a7\u30eb\u904b\u7528\uff08mount, ip, sysctl\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u30c4\u30fc\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u4e92\u63db\u6027\u9055\u3044\u3001\u30c6\u30f3\u30d7\u30ec\u6d41\u7528\u3067\u524d\u63d0\u304c\u5d29\u308c\u308b<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u5b9f\u884c\u30b3\u30de\u30f3\u30c9\u306e\u5b8c\u5168\u30ed\u30b0\u5316\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u56fa\u5b9a\u3001\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u304b\u3089\u7a4d\u307f\u4e0a\u3052\u3001\u5909\u66f4\u5c65\u6b74\u3092\u6b8b\u3059<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">PHP\uff08\u62e1\u5f35\/FFI\/\u5916\u90e8\u30b3\u30de\u30f3\u30c9\uff09<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u5916\u90e8\u30b3\u30de\u30f3\u30c9\u5f15\u6570\u306e\u7d44\u307f\u7acb\u3066\u30df\u30b9\u3001\u6587\u5b57\u30b3\u30fc\u30c9\/\u30a8\u30b9\u30b1\u30fc\u30d7\u4e0d\u5099\u3001FFI\u3067\u306e\u578b\u4e0d\u4e00\u81f4<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u5f15\u6570\u3092\u914d\u5217\u3067\u5b89\u5168\u306b\u6e21\u3059\u3001\u5b9f\u5f15\u6570\u3092\u30ed\u30b0\u5316\u3001FFI\u5883\u754c\u306f\u578b\u56fa\u5b9a\u3068\u9577\u3055\u691c\u8a3c<\/td> <\/tr> <\/table> <hr> <p><strong>\u7de0\u3081\u304f\u304f\u308a<\/strong><\/p> <p>EINVAL(22)\u306f\u3001\u73fe\u5834\u306e\u624b\u3092\u6b62\u3081\u308b\u201c\u96d1\u306a\u30a8\u30e9\u30fc\u201d\u306b\u898b\u3048\u3066\u3001\u5b9f\u306f\u5951\u7d04\u4e0d\u4e00\u81f4\u3092\u77e5\u3089\u305b\u308b\u4fe1\u53f7\u3067\u3059\u3002\u518d\u73fe\u6027\u3092\u4f5c\u308a\u3001\u89b3\u6e2c\u3067\u78ba\u5b9a\u3057\u3001\u5951\u7d04\u30c1\u30a7\u30c3\u30af\u3068\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u4ed5\u7d44\u307f\u306b\u843d\u3068\u3059\u3002\u3053\u3053\u307e\u3067\u3067\u304d\u308b\u3068\u3001\u591c\u9593\u5bfe\u5fdc\u306f\u78ba\u5b9f\u306b\u6e1b\u308a\u307e\u3059\u3002<\/p> <p>\u4e00\u65b9\u3067\u3001\u69cb\u6210\u304c\u8907\u96d1\u3067\u4e00\u822c\u8ad6\u304c\u901a\u7528\u3057\u306a\u3044\u6848\u4ef6\u3084\u3001\u8a66\u884c\u304c\u30ea\u30b9\u30af\u306b\u306a\u308b\u6848\u4ef6\u3067\u306f\u3001\u500b\u5225\u5224\u65ad\u304c\u5fc5\u8981\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u6848\u4ef6\u30fb\u5951\u7d04\u30fb\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u3067\u60a9\u3093\u3060\u3068\u304d\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec11\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5b9f\u4f8b\u3067\u8ffd\u3046\u2460\uff1asetsockopt\u306eEINVAL\u2500\u2500\u5024\u3067\u306f\u306a\u304f\u300coptlen\u300d\u3068\u578b\u304c\u30ba\u30ec\u3066\u3044\u308b<\/h2> <p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7cfb\u3067\u591a\u3044EINVAL\u306f\u3001\u300c\u5024\u304c\u5909\u300d\u3067\u306f\u306a\u304f\u300c\u305d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u671f\u5f85\u3059\u308b\u578b\u30fb\u9577\u3055\uff08optlen\uff09\u3067\u6e21\u3057\u3066\u3044\u306a\u3044\u300d\u304c\u539f\u56e0\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u547c\u3073\u51fa\u3057\u5074\u306f\u201c\u6570\u5024\u3092\u6e21\u3057\u305f\u201d\u3064\u3082\u308a\u3067\u3082\u3001\u53d7\u3051\u53d6\u308a\u5074\uff08\u30ab\u30fc\u30cd\u30eb\uff09\u306f\u300c\u60f3\u5b9a\u3057\u305f\u69cb\u9020\u4f53\u306e\u9577\u3055\u3067\u306f\u306a\u3044\u300d\u300c\u30ec\u30d9\u30eb\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u565b\u307f\u5408\u308f\u306a\u3044\u300d\u3068\u5224\u65ad\u3057\u3066\u53d7\u7406\u3057\u307e\u305b\u3093\u3002<\/p> <hr> <h3>\u5178\u578b\u30d1\u30bf\u30fc\u30f3\uff1aSO_RCVTIMEO \/ SO_SNDTIMEO \u306e\u578b\u9055\u3044<\/h3> <p>SO_RCVTIMEO\u3084SO_SNDTIMEO\u306f\u3001\u5b9f\u88c5\u4e0a\u306f\u6642\u9593\u69cb\u9020\u4f53\uff08\u4f8b\uff1atimeval\uff09\u3092\u60f3\u5b9a\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u300c\u30df\u30ea\u79d2\u306eint\u3092\u6e21\u3059\u300d\u3068\u3001optlen\u304c\u5408\u308f\u305aEINVAL\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u5024\u306e\u5927\u5c0f\u3067\u306f\u306a\u304f\u3001\u6e21\u3057\u305f\u201c\u30d0\u30a4\u30c8\u5217\u306e\u5f62\u201d\u3067\u3059\u3002<\/p> <p>\u89b3\u6e2c\u3067\u306f\u3001strace\u306b\u3088\u308a\u6b21\u306e\u3088\u3046\u306b\u300clevel\/optname\/optlen\u300d\u304c\u898b\u3048\u307e\u3059\u3002optlen\u304c\u671f\u5f85\u9577\u3068\u9055\u3046\u5834\u5408\u3001\u305d\u3053\u3067\u5207\u308c\u307e\u3059\u3002<\/p> <pre><code>setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, ..., optlen) = -1 EINVAL<\/code><\/pre> <hr> <h3>\u5b89\u5168\u306a\u5207\u308a\u5206\u3051\uff1a\u6210\u529f\u30b1\u30fc\u30b9\u3068\u306e\u5dee\u5206\u3092\u4f5c\u308b<\/h3> <p>\u6700\u77ed\u3067\u539f\u56e0\u306b\u5f53\u3066\u308b\u306b\u306f\u3001\u6b21\u306e\u9806\u3067\u201c\u5dee\u5206\u201d\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p> <ol> <li>\u540c\u3058\u74b0\u5883\u3067\u3001\u8a72\u5f53\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\u3051\u3092\u8a2d\u5b9a\u3059\u308b\u6700\u5c0f\u518d\u73fe\u3092\u4f5c\u308b\uff08\u30bd\u30b1\u30c3\u30c8\u751f\u6210\u2192setsockopt\u3060\u3051\uff09\u3002<\/li> <li>\u30aa\u30d7\u30b7\u30e7\u30f3\u3054\u3068\u306b\u300c\u671f\u5f85\u3059\u308b\u578b\u300d\u3092\u56fa\u5b9a\u3057\u3001optlen\u3082\u305d\u306e\u578b\u306e\u30b5\u30a4\u30ba\u3067\u7d71\u4e00\u3059\u308b\u3002<\/li> <li>\u6210\u529f\u6642\u3068\u5931\u6557\u6642\u3067\u3001strace\u51fa\u529b\u306e\u884c\u3092diff\u3057\u3066\u300c\u9055\u3044\u304coptlen\u304b\u3001level\/optname\u304b\u3001\u5024\u306e\u5185\u5bb9\u304b\u300d\u3092\u78ba\u5b9a\u3059\u308b\u3002<\/li> <\/ol> <hr> <h3>\u518d\u767a\u9632\u6b62\uff1a\u30aa\u30d7\u30b7\u30e7\u30f3\u3054\u3068\u306b\u201c\u578b\u3068\u9577\u3055\u201d\u3092\u30e9\u30c3\u30d1\u30fc\u3067\u56fa\u5b9a\u3059\u308b<\/h3> <p>\u73fe\u5834\u3067\u52b9\u304f\u306e\u306f\u3001\u8a00\u8a9e\u306b\u95a2\u4fc2\u306a\u304f\u300c\u30aa\u30d7\u30b7\u30e7\u30f3\u3054\u3068\u306b\u6b63\u3057\u3044\u578b\u3068\u9577\u3055\u3092\u56fa\u5b9a\u3059\u308b\u300d\u3053\u3068\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30bd\u30b1\u30c3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u30921\u7b87\u6240\u306b\u96c6\u7d04\u3057\u3001\u6e21\u3059\u5024\u3092\u5f37\u5236\u7684\u306b\u6b63\u3057\u3044\u5f62\u3078\u6574\u3048\u308b\u3002\u5931\u6557\u6642\u306b\u306f\u3001level\/optname\/optlen\u3068\u5024\uff08\u5358\u4f4d\u8fbc\u307f\uff09\u3092\u30ed\u30b0\u306b\u6b8b\u3059\u3002\u3053\u308c\u3060\u3051\u3067\u540c\u578b\u306eEINVAL\u304c\u518d\u767a\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <p><strong>\u4f9d\u983c\u5224\u65ad\uff08\u4e00\u822c\u8ad6\u306e\u9650\u754c\u304c\u51fa\u308b\u3068\u3053\u308d\uff09<\/strong><\/p> <p>\u30b3\u30f3\u30c6\u30ca\u3084\u5236\u9650\u4ed8\u304d\u5b9f\u884c\u74b0\u5883\u3067\u306f\u3001\u305d\u3082\u305d\u3082\u53d7\u7406\u3055\u308c\u306a\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u5074\u3067\u201c\u6b63\u3057\u3044\u578b\u201d\u306b\u3057\u3066\u3082\u901a\u3089\u306a\u3044\u5834\u5408\u3001\u74b0\u5883\u524d\u63d0\uff08\u8a31\u53ef\u3055\u308c\u308b\u64cd\u4f5c\uff09\u306e\u5dee\u5206\u3092\u8a70\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u904b\u7528\u30fb\u6a29\u9650\u30fb\u57fa\u76e4\u8a2d\u5b9a\u3092\u542b\u3081\u305f\u5207\u308a\u5206\u3051\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec12\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5b9f\u4f8b\u3067\u8ffd\u3046\u2461\uff1ammap\u306eEINVAL\u2500\u2500offset\u306f\u30da\u30fc\u30b8\u5883\u754c\u3001length\u306f0\u7981\u6b62\u3001\u7d44\u307f\u5408\u308f\u305b\u306f\u5951\u7d04<\/h2> <p>mmap\u306eEINVAL\u306f\u3001\u5883\u754c\u6761\u4ef6\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u9818\u57df\u3067\u3059\u3002\u7279\u306boffset\u306e\u30da\u30fc\u30b8\u5883\u754c\u9055\u53cd\u3001length=0\u3001prot\/flags\u306e\u77db\u76fe\u306f\u5178\u578b\u3067\u3059\u3002\u3053\u3053\u306f\u300c\u5024\u3092\u5c11\u3057\u5909\u3048\u308b\u300d\u3067\u306f\u306a\u304f\u3001\u5951\u7d04\u3092\u6e80\u305f\u3059\u5f62\u3078\u63c3\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>offset\u306e\u30da\u30fc\u30b8\u5883\u754c\u9055\u53cd\u3092\u907f\u3051\u308b<\/h3> <p>mmap\u306eoffset\u306f\u3001\u4e00\u822c\u306b\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u5883\u754c\u306b\u63c3\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u4efb\u610f\u4f4d\u7f6e\u304b\u3089\u8aad\u307f\u305f\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3001offset\u306b\u305d\u306e\u307e\u307e\u4efb\u610f\u5024\u3092\u5165\u308c\u308b\u3068EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u6b63\u653b\u6cd5\u306f\u3001offset\u3092\u30da\u30fc\u30b8\u5883\u754c\u3078\u4e38\u3081\u3001\u4e38\u3081\u305f\u5206\u3092\u30dd\u30a4\u30f3\u30bf\u5074\u3067\u88dc\u6b63\u3057\u3066\u76ee\u7684\u4f4d\u7f6e\u3078\u5408\u308f\u305b\u308b\u3084\u308a\u65b9\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u3084\u308a\u305f\u3044\u3053\u3068<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u5b89\u5168\u306a\u4f5c\u308a\u65b9<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u30d5\u30a1\u30a4\u30eb\u306e\u4efb\u610f\u30aa\u30d5\u30bb\u30c3\u30c8\u304b\u3089\u8aad\u3080<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\"> offset\u3092\u30da\u30fc\u30b8\u5883\u754c\u306b\u5207\u308a\u4e0b\u3052\uff08aligned_offset\uff09\u3001\u5dee\u5206\uff08delta = orig_offset - aligned_offset\uff09\u3092\u4fdd\u6301\u3057\u3001mmap\u306e\u623b\u308a\u30dd\u30a4\u30f3\u30bf\uff0bdelta\u3067\u76ee\u7684\u4f4d\u7f6e\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b <\/td> <\/tr> <\/table> <hr> <h3>length=0\u3084\u904e\u5c0f\/\u904e\u5927\u306e\u6271\u3044<\/h3> <p>length\u304c0\u3060\u3068EINVAL\u306b\u306a\u308b\u5b9f\u88c5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u307e\u305f\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u8d85\u3048\u308b\u7bc4\u56f2\u3092\u60f3\u5b9a\u3057\u3066mmap\u3059\u308b\u3068\u3001\u76f4\u3061\u306bEINVAL\u306b\u306a\u3089\u305a\u5f8c\u6bb5\u3067\u5931\u6557\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u3001\u4e8b\u6545\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u5b89\u5168\u306a\u5b9f\u88c5\u3067\u306f\u3001\u4e8b\u524d\u306b\u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3057\u3001\u8aad\u307f\u305f\u3044\u7bc4\u56f2\u304c\u59a5\u5f53\u304b\u3092\u691c\u8a3c\u3057\u3066\u304b\u3089mmap\u3057\u307e\u3059\u3002<\/p> <hr> <h3>prot\/flags\u306e\u77db\u76fe\u3092\u6f70\u3059<\/h3> <p>mmap\u306f\u3001prot\uff08\u8aad\u307f\u66f8\u304d\u5b9f\u884c\uff09\u3068flags\uff08\u5171\u6709\/\u79c1\u6709\u3001\u533f\u540d\u306a\u3069\uff09\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u5951\u7d04\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3092\u9593\u9055\u3048\u308b\u3068EINVAL\u306b\u306a\u308a\u5f97\u307e\u3059\u3002\u73fe\u5834\u3067\u306f\u300c\u30c6\u30f3\u30d7\u30ec\u3092\u6d41\u7528\u3057\u3066\u5897\u3084\u3057\u305f\u30d5\u30e9\u30b0\u300d\u304c\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u6700\u5c0f\u69cb\u6210\u3067\u6210\u529f\u3055\u305b\u3066\u304b\u3089\u6bb5\u968e\u7684\u306b\u8ffd\u52a0\u3057\u3066\u5dee\u5206\u3067\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u518d\u767a\u9632\u6b62\uff1ammap\u524d\u306b\u201c\u5951\u7d04\u30c1\u30a7\u30c3\u30af\u201d\u3092\u5165\u308c\u308b<\/h3> <p>mmap\u306f\u3001\u547c\u3073\u51fa\u3057\u524d\u306b\u691c\u8a3c\u3067\u304d\u308b\u9805\u76ee\u304c\u591a\u3044\u9818\u57df\u3067\u3059\u3002\u30da\u30fc\u30b8\u5883\u754c\u3001length\u306e\u59a5\u5f53\u6027\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u5185\u304b\u3001prot\/flags\u306e\u6574\u5408\u6027\u306a\u3069\u3092\u4e8b\u524d\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u306f\u3001\u3069\u306e\u6761\u4ef6\u306b\u843d\u3061\u305f\u304b\u3092\u30ed\u30b0\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u3042\u308b\u3060\u3051\u3067\u300c\u307e\u305f22\u304b\u300d\u306e\u8abf\u67fb\u304c\u77ed\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <p><strong>\u4f9d\u983c\u5224\u65ad\uff08\u4e00\u822c\u8ad6\u3067\u5371\u967a\u306b\u306a\u308b\u3068\u3053\u308d\uff09<\/strong><\/p> <p>mmap\u304c\u7d61\u3080\u5bfe\u8c61\u304c\u30c7\u30d0\u30a4\u30b9\u30d5\u30a1\u30a4\u30eb\u3084\u7279\u6b8a\u9818\u57df\u306e\u5834\u5408\u3001\u5951\u7d04\u306f\u3055\u3089\u306b\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002\u30c9\u30e9\u30a4\u30d0\u4f9d\u5b58\u306e\u6761\u4ef6\u3084\u5236\u9650\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u89b3\u6e2c\u3068\u5b89\u5168\u8a2d\u8a08\u3092\u4e26\u884c\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5207\u308a\u5206\u3051\u306b\u4e0d\u5b89\u304c\u3042\u308b\u5834\u5408\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec13\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5b9f\u4f8b\u3067\u8ffd\u3046\u2462\uff1aioctl\u306eEINVAL\u2500\u2500\u69cb\u9020\u4f53\u306e\u521d\u671f\u5316\u6f0f\u308c\u3068ABI\u5dee\u5206\u304c\u201c\u5f15\u6570\u4e0d\u6b63\u201d\u3092\u4f5c\u308b<\/h2> <p>ioctl\u3067EINVAL(22)\u304c\u51fa\u308b\u3068\u304d\u3001\u539f\u56e0\u306f\u300c\u30b3\u30de\u30f3\u30c9\u756a\u53f7\u304c\u9055\u3046\u300d\u3088\u308a\u3082\u3001\u300c\u6e21\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u306e\u5f62\u304c\u5951\u7d04\u3068\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u300d\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u7279\u306b\u591a\u3044\u306e\u304c\u3001\u69cb\u9020\u4f53\u306e\u672a\u521d\u671f\u5316\uff08\u30b4\u30df\u5024\u6df7\u5165\uff09\u3068\u300132bit\/64bit\u3084\u30d8\u30c3\u30c0\u5dee\u5206\u306b\u3088\u308bABI\u4e0d\u4e00\u81f4\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u3001\u30a2\u30d7\u30ea\u5074\u306e\u898b\u305f\u76ee\u306f\u201c\u6b63\u3057\u304f\u57cb\u3081\u305f\u3064\u3082\u308a\u201d\u3067\u3082\u3001\u30c9\u30e9\u30a4\u30d0\u5074\u304b\u3089\u898b\u308b\u3068\u5951\u7d04\u9055\u53cd\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u5178\u578b\uff1a\u672a\u521d\u671f\u5316\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u6761\u4ef6\u5206\u5c90\u3092\u8e0f\u307f\u629c\u304f<\/h3> <p>ioctl\u306b\u6e21\u3059\u69cb\u9020\u4f53\u306f\u3001\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u3060\u3051\u57cb\u3081\u3066\u4ed6\u306f\u672a\u8a2d\u5b9a\u3001\u3068\u3044\u3046\u5b9f\u88c5\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u3068\u3053\u308d\u304c\u30c9\u30e9\u30a4\u30d0\u5074\u306f\u300c\u5c06\u6765\u62e1\u5f35\u300d\u3084\u300c\u4e92\u63db\u300d\u3092\u524d\u63d0\u306b\u3001\u4e88\u7d04\u9818\u57df\u3084\u30d5\u30e9\u30b0\u7fa4\u3092\u53c2\u7167\u3059\u308b\u5b9f\u88c5\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u672a\u521d\u671f\u5316\u306e\u4e88\u7d04\u9818\u57df\u306b\u5076\u7136\u30d5\u30e9\u30b0\u304c\u7acb\u3064\u3068\u3001\u30c9\u30e9\u30a4\u30d0\u306f\u300c\u305d\u306e\u30e2\u30fc\u30c9\u306f\u672a\u5bfe\u5fdc\u300d\u3068\u5224\u65ad\u3057\u3001EINVAL\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p> <p>\u518d\u73fe\u6027\u304c\u4f4e\u3044\u5834\u5408\uff08\u540c\u3058\u5165\u529b\u3067\u6210\u529f\u3057\u305f\u308a\u5931\u6557\u3057\u305f\u308a\u3059\u308b\uff09\u306f\u3001\u307e\u305a\u3053\u306e\u672a\u521d\u671f\u5316\u3092\u7591\u3044\u307e\u3059\u3002\u5bfe\u7b56\u306f\u5358\u7d14\u3067\u3001\u69cb\u9020\u4f53\u3092\u30bc\u30ed\u521d\u671f\u5316\u3057\u3066\u304b\u3089\u5fc5\u8981\u7b87\u6240\u3060\u3051\u57cb\u3081\u308b\u3001\u3092\u5fb9\u5e95\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u5178\u578b\uff1asizeof\u306e\u4e0d\u4e00\u81f4\uff08\u60f3\u5b9a\u3088\u308a\u77ed\u3044\/\u9577\u3044\uff09<\/h3> <p>ioctl\u306f\u300c\u3069\u306e\u30b5\u30a4\u30ba\u306e\u69cb\u9020\u4f53\u304c\u6765\u308b\u304b\u300d\u3092\u524d\u63d0\u306b\u5206\u5c90\u3059\u308b\u5b9f\u88c5\u304c\u591a\u304f\u3001\u30b5\u30a4\u30ba\u304c\u5408\u308f\u306a\u3044\u3068EINVAL\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u56e0\u306f\u6b21\u306e\u3088\u3046\u306a\u30d1\u30bf\u30fc\u30f3\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p> <ul> <li>\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3068\u30ab\u30fc\u30cd\u30eb\u7a7a\u9593\u3067\u30d8\u30c3\u30c0\u306e\u5b9a\u7fa9\u304c\u30ba\u30ec\u3066\u3044\u308b\uff08\u53e4\u3044\u30d8\u30c3\u30c0\u3092\u4f7f\u3063\u3066\u3044\u308b\u7b49\uff09\u3002<\/li> <li>32bit\/64bit\u3067\u30dd\u30a4\u30f3\u30bf\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308a\u3001\u69cb\u9020\u4f53\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u304c\u5909\u5316\u3059\u308b\u3002<\/li> <li>\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\u3084\u30d1\u30c7\u30a3\u30f3\u30b0\u3092\u898b\u843d\u3068\u3057\u3066\u3001\u671f\u5f85\u30b5\u30a4\u30ba\u3068\u305a\u308c\u308b\u3002<\/li> <li>\u5b9f\u88c5\u5074\u304c\u300c\u30d0\u30fc\u30b8\u30e7\u30f3\u4ed8\u304d\u69cb\u9020\u4f53\u300d\u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b\u306e\u306b\u3001\u65e7\u5f62\u5f0f\u3092\u6e21\u3057\u3066\u3044\u308b\u3002<\/li> <\/ul> <p>\u89b3\u6e2c\u3067\u306f\u3001strace\u306bioctl\u756a\u53f7\u306f\u51fa\u3066\u3082\u69cb\u9020\u4f53\u306e\u4e2d\u8eab\u307e\u3067\u306f\u51fa\u307e\u305b\u3093\u3002\u3053\u3053\u306f\u30a2\u30d7\u30ea\u5074\u3067\u300cioctl\u756a\u53f7\u30fb\u6e21\u3057\u305f\u30b5\u30a4\u30ba\uff08sizeof\uff09\u30fb\u4e3b\u8981\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u300d\u3092\u5fc5\u305a\u30ed\u30b0\u306b\u6b8b\u3057\u3001\u6210\u529f\u30b1\u30fc\u30b9\/\u5931\u6557\u30b1\u30fc\u30b9\u3067\u5dee\u5206\u3092\u53d6\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30b5\u30a4\u30ba\u304c\u30ba\u30ec\u3066\u3044\u308b\u306a\u3089\u3001\u5dee\u5206\u306f\u4e00\u767a\u3067\u51fa\u307e\u3059\u3002<\/p> <hr> <h3>\u201c\u5b89\u5168\u306a\u81ea\u52d5\u4fee\u6b63\u201d\u3068\u3057\u3066\u3067\u304d\u308b\u7bc4\u56f2<\/h3> <p>ioctl\u3067\u81ea\u52d5\u4fee\u6b63\u3092\u3084\u308a\u3059\u304e\u308b\u3068\u5371\u967a\u3067\u3059\u3002\u30c9\u30e9\u30a4\u30d0\u64cd\u4f5c\u306f\u72b6\u614b\u3092\u5909\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u9069\u7528\u30df\u30b9\u304c\u526f\u4f5c\u7528\u3092\u751f\u307f\u307e\u3059\u3002\u73fe\u5b9f\u7684\u306b\u5b89\u5168\u306a\u7bc4\u56f2\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u5b89\u5168\u306b\u81ea\u52d5\u5316\u3057\u3084\u3059\u3044\u5bfe\u7b56<\/th> <th style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; text-align:left;\">\u7406\u7531<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u69cb\u9020\u4f53\u306e\u30bc\u30ed\u521d\u671f\u5316\u3092\u5fc5\u9808\u5316<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u526f\u4f5c\u7528\u304c\u5c11\u306a\u304f\u3001\u5951\u7d04\u9055\u53cd\u306e\u6df7\u5165\u3092\u78ba\u5b9f\u306b\u6e1b\u3089\u305b\u308b<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">sizeof\u3068\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u59a5\u5f53\u6027\u30c1\u30a7\u30c3\u30af<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u547c\u3073\u51fa\u3057\u524d\u306b\u9632\u3052\u308b\u554f\u984c\u304c\u591a\u3044<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; background-color:#eeeeee; padding:8px; vertical-align:top;\">\u5931\u6557\u6642\u306b\u201c\u6e21\u3057\u305f\u6761\u4ef6\u201d\u3092\u30ed\u30b0\u5316\u3057\u3066\u5dee\u5206\u6bd4\u8f03<\/td> <td style=\"border:1px solid #ccc; padding:8px; vertical-align:top;\">\u518d\u73fe\u6027\u306e\u78ba\u4fdd\u3068\u539f\u56e0\u7279\u5b9a\u304c\u901f\u304f\u306a\u308b<\/td> <\/tr> <\/table> <hr> <p><strong>\u4f9d\u983c\u5224\u65ad\uff08\u4e00\u822c\u8ad6\u3067\u5371\u967a\u306b\u306a\u308b\u3068\u3053\u308d\uff09<\/strong><\/p> <p>ioctl\u304c\u7d61\u3080\u5bfe\u8c61\u304c\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u6697\u53f7\u5316\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5236\u5fa1\u3001\u4eee\u60f3\u5316\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5236\u5fa1\u306a\u3069\u306e\u5834\u5408\u3001\u8a66\u884c\u304c\u72b6\u614b\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u89b3\u6e2c\u3068\u5b89\u5168\u8a2d\u8a08\u3092\u4e26\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec14\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5b9f\u4f8b\u3067\u8ffd\u3046\u2463\uff1amount\u306eEINVAL\u2500\u2500\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u201c\u6700\u5c0f\u2192\u7a4d\u307f\u4e0a\u3052\u201d\u3067\u7279\u5b9a\u3057\u3001\u69cb\u6210\u5dee\u5206\u3092\u30ed\u30b0\u3067\u56fa\u5b9a\u3059\u308b<\/h2> <p>mount\u3067EINVAL(22)\u304c\u51fa\u308b\u3068\u304d\u3001\u6700\u3082\u591a\u3044\u306e\u306f\u300c\u30aa\u30d7\u30b7\u30e7\u30f3\u3084\u6307\u5b9a\u306e\u524d\u63d0\u304c\u3001\u305d\u306e\u74b0\u5883\u3067\u306f\u6210\u308a\u7acb\u3063\u3066\u3044\u306a\u3044\u300d\u30b1\u30fc\u30b9\u3067\u3059\u3002\u4f3c\u305f\u69cb\u6210\u3067\u901a\u3063\u3066\u3044\u305f\u8a2d\u5b9a\u3092\u6301\u3061\u8fbc\u3080\u3068\u3001\u30ab\u30fc\u30cd\u30eb\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5b9f\u88c5\u306e\u5dee\u5206\u3067\u53d7\u7406\u3055\u308c\u305a\u3001EINVAL\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u95c7\u96f2\u306b\u8a2d\u5b9a\u3092\u5909\u3048\u308b\u3068\u3001\u539f\u56e0\u304c\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u56fa\u5b9a\u3059\u308b\u4e8b\u5b9f\uff1a\u4f55\u3092\u3001\u3069\u3046\u30de\u30a6\u30f3\u30c8\u3057\u3088\u3046\u3068\u3057\u305f\u304b<\/h3> <p>\u8abf\u67fb\u306e\u6700\u521d\u306b\u3001\u6b21\u306e3\u70b9\u3092\u201c\u305d\u306e\u307e\u307e\u201d\u8a18\u9332\u3057\u307e\u3059\u3002<\/p> <ul> <li>\u5b9f\u884c\u3057\u305fmount\u306e\u5b8c\u5168\u306a\u5f15\u6570\uff08\u30c7\u30d0\u30a4\u30b9\/UUID\/LABEL\u3001\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3001-t\u3001-o\uff09\u3002<\/li> <li>\u5bfe\u8c61\u306e\u5b9f\u4f53\uff08lsblk\u7b49\u3067\u306e\u30c7\u30d0\u30a4\u30b9\u540d\u3001UUID\u3001\u30b5\u30a4\u30ba\u3001\u30bf\u30a4\u30d7\uff09\u3002<\/li> <li>\u30ab\u30fc\u30cd\u30eb\u30fb\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u524d\u63d0\uff08\u5f53\u8a72FS\u304c\u4f55\u304b\u3001\u95a2\u9023\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30ed\u30b0\u306e\u8a72\u5f53\u7b87\u6240\uff09\u3002<\/li> <\/ul> <p>fstab\u3084systemd\u7d4c\u7531\u306a\u3089\u3001\u5143\u306e\u8a2d\u5b9a\u884c\u3068\u3001\u5b9f\u969b\u306b\u8d77\u52d5\u6642\u306b\u9069\u7528\u3055\u308c\u305f\u5185\u5bb9\uff08\u4e0a\u66f8\u304d\u3084\u30c9\u30ed\u30c3\u30d7\u30a4\u30f3\u3092\u542b\u3080\uff09\u3082\u62bc\u3055\u3048\u307e\u3059\u3002\u3053\u308c\u304c\u306a\u3044\u3068\u3001\u5f8c\u304b\u3089\u300c\u3069\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u843d\u3061\u305f\u306e\u304b\u300d\u3092\u518d\u73fe\u3067\u304d\u307e\u305b\u3093\u3002<\/p> <hr> <h3>\u6700\u77ed\u3067\u7279\u5b9a\u3059\u308b\u624b\u9806\uff1a\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u901a\u3057\u3066\u304b\u3089\u623b\u3059<\/h3> <p>mount\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u8907\u6570\u304c\u540c\u6642\u306b\u52b9\u304f\u305f\u3081\u3001\u6700\u521d\u304b\u3089\u5168\u76db\u308a\u3067\u8a66\u3059\u3068\u539f\u56e0\u304c\u7279\u5b9a\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002\u5b9f\u52d9\u306e\u6700\u77ed\u624b\u9806\u306f\u201c\u6700\u5c0f\u2192\u7a4d\u307f\u4e0a\u3052\u201d\u3067\u3059\u3002<\/p> <ol> <li>\u307e\u305a\u3001\u6700\u5c0f\u69cb\u6210\uff08\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u6307\u5b9a\uff09\u3067\u30de\u30a6\u30f3\u30c8\u3067\u304d\u308b\u304b\u3092\u8a66\u3059\u3002<\/li> <li>\u6210\u529f\u3057\u305f\u3089\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u30921\u3064\u305a\u3064\u8ffd\u52a0\u3057\u3001\u3069\u308c\u3067EINVAL\u306b\u306a\u308b\u304b\u3092\u78ba\u5b9a\u3059\u308b\u3002<\/li> <li>EINVAL\u306b\u306a\u3063\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3001\u74b0\u5883\u5dee\u5206\uff08\u30ab\u30fc\u30cd\u30eb\/FS\u5b9f\u88c5\/\u69cb\u6210\uff09\u306b\u3088\u308b\u3082\u306e\u304b\u3001\u6307\u5b9a\u30df\u30b9\u304b\u3092\u5207\u308a\u5206\u3051\u308b\u3002<\/li> <\/ol> <p>\u3053\u306e\u65b9\u6cd5\u306f\u3001\u69cb\u6210\u304c\u8907\u96d1\u3067\u3082\u201c\u539f\u56e0\u3068\u306a\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u201d\u3092\u30d4\u30f3\u3067\u523a\u305b\u308b\u306e\u304c\u5f37\u307f\u3067\u3059\u3002\u9006\u306b\u3001\u6700\u5c0f\u69cb\u6210\u3067\u3082\u843d\u3061\u308b\u306a\u3089\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u300c\u6307\u5b9a\u5bfe\u8c61\u306e\u5b9f\u4f53\u300d\u300cFS\u7a2e\u5225\u300d\u300c\u524d\u63d0\u6761\u4ef6\uff08\u6697\u53f7\u5316\u30fbLVM\u30fbRAID\u7b49\uff09\u300d\u306e\u7dda\u304c\u6fc3\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74\uff1aFS\u7a2e\u5225\u3068\u5b9f\u4f53\u306e\u4e0d\u4e00\u81f4<\/h3> <p>\u898b\u305f\u76ee\u3067\u306f\u540c\u3058\u30d1\u30b9\u3067\u3082\u3001\u5b9f\u4f53\u304c\u9055\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002UUID\u306e\u53d6\u308a\u9055\u3048\u3001\u30e9\u30d9\u30eb\u306e\u91cd\u8907\u3001\u30c7\u30d0\u30a4\u30b9\u540d\u306e\u5909\u5316\u306a\u3069\u3067\u3001\u5225\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u63b4\u3093\u3067\u3044\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u76f4\u3057\u3066\u3082\u72b6\u6cc1\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u3053\u3053\u306f\u300c\u5b9f\u4f53\uff08UUID\u7b49\uff09\u3092\u7a81\u304d\u5408\u308f\u305b\u308b\u300d\u3053\u3068\u3067\u5207\u308a\u5206\u3051\u307e\u3059\u3002<\/p> <hr> <h3>\u30aa\u30d7\u30b7\u30e7\u30f3\u5dee\u5206\u3092\u201c\u904b\u7528\u30eb\u30fc\u30eb\u201d\u306b\u843d\u3068\u3059<\/h3> <p>\u539f\u56e0\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u7279\u5b9a\u3067\u304d\u305f\u3089\u3001\u6b21\u306f\u201c\u306a\u305c\u305d\u308c\u304c\u6df7\u5165\u3057\u305f\u304b\u201d\u307e\u3067\u6f70\u3057\u307e\u3059\u3002\u591a\u304f\u306f\u30c6\u30f3\u30d7\u30ec\u6d41\u7528\u30fb\u74b0\u5883\u6df7\u5728\u30fb\u53e4\u3044\u524d\u63d0\u306e\u6301\u3061\u8fbc\u307f\u3067\u3059\u3002\u5b9f\u52d9\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u904b\u7528\u30eb\u30fc\u30eb\u3078\u843d\u3068\u3059\u3068\u518d\u767a\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <ul> <li>\u74b0\u5883\uff08\u30ab\u30fc\u30cd\u30eb\/FS\uff09\u3054\u3068\u306b\u8a31\u53ef\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u4e00\u89a7\u3092\u4f5c\u308a\u3001\u8a2d\u5b9a\u5909\u66f4\u306f\u305d\u306e\u4e00\u89a7\u3092\u66f4\u65b0\u3057\u3066\u304b\u3089\u3002<\/li> <li>\u81ea\u52d5\u5316\u3067\u306f\u3001\u6700\u5c0f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306e\u52d5\u4f5c\u78ba\u8a8d\u3092\u5148\u306b\u884c\u3044\u3001\u8ffd\u52a0\u306f\u6bb5\u968e\u9069\u7528\u306b\u3059\u308b\u3002<\/li> <li>\u5931\u6557\u6642\u306f\u3001\u5b9f\u5f15\u6570\u3068\u74b0\u5883\u60c5\u5831\u3092\u5fc5\u305a\u30ed\u30b0\u306b\u6b8b\u3057\u3001\u5dee\u5206\u6bd4\u8f03\u3067\u304d\u308b\u72b6\u614b\u306b\u3059\u308b\u3002<\/li> <\/ul> <hr> <p><strong>\u4f9d\u983c\u5224\u65ad\uff08\u4e00\u822c\u8ad6\u3067\u5371\u967a\u306b\u306a\u308b\u3068\u3053\u308d\uff09<\/strong><\/p> <p>\u6697\u53f7\u5316\u3001LVM\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2RAID\u3001\u4eee\u60f3\u5316\u3001\u30af\u30e9\u30b9\u30bf\u3001\u969c\u5bb3\u5146\u5019\uff08I\/O\u30a8\u30e9\u30fc\u3084\u6574\u5408\u6027\u8b66\u544a\uff09\u3092\u4f34\u3046\u5834\u5408\u3001\u8a66\u884c\u304c\u30c7\u30fc\u30bf\u3084\u6574\u5408\u6027\u3078\u5f71\u97ff\u3057\u5f97\u307e\u3059\u3002\u5b89\u5168\u306a\u624b\u9806\u8a2d\u8a08\u3068\u89b3\u6e2c\u3092\u540c\u6642\u306b\u9032\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<strong>https:\/\/jouhou.main.jp\/?page_id=26983<\/strong>\u3000\u96fb\u8a71\u756a\u53f7\uff1a<strong>0120-838-831<\/strong><\/p> \r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-48c30c10 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"48c30c10\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-692b8598\" data-id=\"692b8598\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-18e078f2 elementor-widget elementor-widget-text-editor\" data-id=\"18e078f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<style>h1.dai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}h2.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin: 0 auto 50px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin: 0 auto 50px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}<\/style><h2 class='fukudai'>\u306f\u3058\u3081\u306b<\/h2><br><p>     Linux\u30b7\u30b9\u30c6\u30e0\u3092\u904b\u7528\u3059\u308b\u4e0a\u3067\u907f\u3051\u3066\u901a\u308c\u306a\u3044\u30c8\u30e9\u30d6\u30eb\u306e\u4e00\u3064\u306b\u3001\u300cEINVAL\uff0822\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u30a8\u30e9\u30fc\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3001\u696d\u52d9\u306e\u505c\u6ede\u3084\u30c7\u30fc\u30bf\u306e\u30a2\u30af\u30bb\u30b9\u969c\u5bb3\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u300cInvalid argument\uff08\u7121\u52b9\u306a\u5f15\u6570\uff09\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3001\u305d\u306e\u539f\u56e0\u306f\u591a\u5c90\u306b\u308f\u305f\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u5b9a\u30df\u30b9\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4e0d\u5177\u5408\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u4e0d\u6574\u5408\u306a\u3069\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u554f\u984c\u306f\u3001\u9069\u5207\u306a\u5bfe\u5fdc\u3092\u884c\u3046\u3053\u3068\u3067\u89e3\u6c7a\u53ef\u80fd\u3067\u3042\u308a\u3001\u30c8\u30e9\u30d6\u30eb\u306e\u65e9\u671f\u767a\u898b\u3068\u9069\u6b63\u306a\u5bfe\u51e6\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001Linux\u74b0\u5883\u306b\u304a\u3051\u308bEINVAL\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u5b9f\u52d9\u3067\u5f79\u7acb\u3064\u5177\u4f53\u7684\u306a\u5bfe\u7b56\u65b9\u6cd5\u3084\u81ea\u52d5\u4fee\u6b63\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u3064\u3044\u3066\u3082\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u904b\u7528\u3092\u652f\u3048\u308b\u305f\u3081\u306b\u3001\u77e5\u8b58\u3092\u6df1\u3081\u3066\u5099\u3048\u308b\u4e00\u52a9\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p><br><br><p>EINVAL\uff0822\uff09\u30a8\u30e9\u30fc\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3084API\u306b\u304a\u3044\u3066\u4e0d\u6b63\u306a\u5f15\u6570\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3084\u8a2d\u5b9a\u5024\u304c\u3001\u60f3\u5b9a\u3055\u308c\u305f\u7bc4\u56f2\u5916\u3084\u8aa4\u3063\u305f\u5f62\u5f0f\u3067\u3042\u308b\u3068\u304d\u306b\u3001\u3053\u306e\u30a8\u30e9\u30fc\u304c\u8fd4\u3055\u308c\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3084\u30c7\u30d0\u30a4\u30b9\u8a2d\u5b9a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306e\u969b\u306b\u3001\u8aa4\u3063\u305f\u5024\u3084\u7121\u52b9\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306b\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002  \u3053\u306e\u30a8\u30e9\u30fc\u306e\u6839\u672c\u7684\u306a\u539f\u56e0\u306f\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u304c\u3001\u4e3b\u306b\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u307e\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u5b9a\u30df\u30b9\u3084\u8aa4\u3063\u305f\u30b3\u30de\u30f3\u30c9\u5165\u529b\u306b\u3088\u308b\u3082\u306e\u3002\u6b21\u306b\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4e0d\u5177\u5408\u3084\u30c9\u30e9\u30a4\u30d0\u306e\u4e0d\u6574\u5408\u306b\u4f34\u3046\u4e0d\u9069\u5207\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u9001\u4fe1\u3002\u305d\u3057\u3066\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3084\u30d1\u30c3\u30c1\u9069\u7528\u5f8c\u306b\u8a2d\u5b9a\u304c\u53e4\u304f\u306a\u308a\u3001\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u751f\u3058\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002  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