{"id":17780,"date":"2024-11-18T08:27:12","date_gmt":"2024-11-18T00:27:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17780\/"},"modified":"2024-11-18T08:27:12","modified_gmt":"2024-11-18T00:27:12","slug":"%e6%8e%a2%e7%a9%b6linux-oops%ef%bc%9a%e6%84%8f%e4%b9%89%e5%8f%8a%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17780\/","title":{"rendered":"\u63a2\u7a76Linux Oops\uff1a\u610f\u4e49\u53ca\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"

\"\u63a2\u7a76Linux<\/p>\n

\u63a2\u7a76Linux Oops\uff1a\u610f\u4e49\u53ca\u89e3\u51b3\u65b9\u6848<\/p>\n

\u5728\u4f7f\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fc7\u7a0b\u4e2d\uff0c\u96be\u514d\u4f1a\u9047\u5230\u5404\u79cd\u95ee\u9898\u548c\u9519\u8bef\u3002\u5176\u4e2d\uff0cOops\uff08\u610f\u5916\uff09\u662f\u4e00\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u4e5f\u662f\u9700\u8981\u53ca\u65f6\u89e3\u51b3\u7684\u3002\u672c\u6587\u5c06\u63a2\u8ba8Linux Oops\u7684\u610f\u4e49\u3001\u5e38\u89c1\u539f\u56e0\u4ee5\u53ca\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5904\u7406\u8fd9\u4e00\u95ee\u9898\u3002<\/p>\n

\u4e00\u3001Linux Oops\u7684\u610f\u4e49<\/p>\n

Linux Oops\u6307\u7684\u662f\u5185\u6838\u53d1\u751f\u4e25\u91cd\u9519\u8bef\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u7684\u60c5\u51b5\u3002\u5f53Linux\u5185\u6838\u9047\u5230\u65e0\u6cd5\u5904\u7406\u7684\u9519\u8bef\u65f6\uff0c\u4f1a\u663e\u793aOops\u4fe1\u606f\u5e76\u5c06\u7cfb\u7edf\u6302\u8d77\uff0c\u9632\u6b62\u7ee7\u7eed\u6267\u884c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u4e25\u91cd\u95ee\u9898\u7684\u4ee3\u7801\u3002Oops\u4fe1\u606f\u5305\u542b\u4e86\u5bfc\u81f4\u95ee\u9898\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982\u9519\u8bef\u4ee3\u7801\u3001\u53d1\u751f\u9519\u8bef\u7684\u4f4d\u7f6e\u7b49\uff0c\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n

Oops\u4fe1\u606f\u7684\u4ea7\u751f\u5bf9\u4e8e\u7cfb\u7edf\u8bca\u65ad\u548c\u8c03\u8bd5\u975e\u5e38\u91cd\u8981\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u6709\u6548\u7684\u89e3\u51b3\u63aa\u65bd\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

\u4e8c\u3001Linux Oops\u7684\u5e38\u89c1\u539f\u56e0<\/p>\n

    \n
  1. \u5185\u5b58\u9519\u8bef\uff1a\u5185\u5b58\u6cc4\u6f0f\u3001\u5185\u5b58\u8d8a\u754c\u8bbf\u95ee\u7b49\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4Oops\u3002<\/li>\n
  2. \u7a7a\u6307\u9488\u5f15\u7528\uff1a\u5bf9\u7a7a\u6307\u9488\u7684\u5f15\u7528\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u3002<\/li>\n
  3. \u8d44\u6e90\u7ade\u4e89\uff1a\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u7684\u8d44\u6e90\u7ade\u4e89\u95ee\u9898\u4e5f\u662fOops\u7684\u5e38\u89c1\u539f\u56e0\u3002<\/li>\n
  4. \u8bbe\u5907\u9a71\u52a8\u95ee\u9898\uff1a\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u7684bug\u53ef\u80fd\u5bfc\u81f4Oops\u3002<\/li>\n
  5. \u5185\u6838\u6a21\u5757\u51b2\u7a81\uff1a\u4e0d\u517c\u5bb9\u7684\u5185\u6838\u6a21\u5757\u53ef\u80fd\u5f15\u53d1Oops\u3002<\/li>\n<\/ol>\n

    \u4e09\u3001Linux Oops\u7684\u89e3\u51b3\u65b9\u6848<\/p>\n

      \n
    1. \u5206\u6790Oops\u4fe1\u606f\uff1a\u9996\u5148\u9700\u8981\u5206\u6790Oops\u4fe1\u606f\uff0c\u4e86\u89e3\u5bfc\u81f4\u95ee\u9898\u7684\u5177\u4f53\u539f\u56e0\u3002<\/li>\n
    2. \u68c0\u67e5\u65e5\u5fd7\uff1a\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\uff0c\u5bfb\u627e\u53ef\u80fd\u6709\u5173\u7684\u4fe1\u606f\u3002<\/li>\n
    3. \u6392\u67e5\u4ee3\u7801\uff1a\u68c0\u67e5\u76f8\u5173\u4ee3\u7801\u7247\u6bb5\uff0c\u5c3d\u53ef\u80fd\u6392\u9664\u4ee3\u7801\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u9519\u8bef\u3002<\/li>\n
    4. \u5185\u5b58\u68c0\u6d4b\uff1a\u4f7f\u7528\u5de5\u5177\u68c0\u6d4b\u5185\u5b58\u662f\u5426\u5b58\u5728\u95ee\u9898\uff0c\u5982memtest86+\u3002<\/li>\n
    5. \u7a0b\u5e8f\uff1a\u786e\u4fdd\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u662f\u6700\u65b0\u7684\uff0c\u5e76\u4e14\u6ca1\u6709bug\u3002<\/li>\n
    6. \u79fb\u9664\u51b2\u7a81\u6a21\u5757\uff1a\u5982\u679c\u5b58\u5728\u4e0d\u517c\u5bb9\u7684\u5185\u6838\u6a21\u5757\uff0c\u5c1d\u8bd5\u79fb\u9664\u6216\u66ff\u6362\u3002<\/li>\n
    7. \u52a0\u5f3a\u6d4b\u8bd5\uff1a\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u52a0\u5f3a\u6d4b\u8bd5\uff0c\u5c3d\u65e9\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n<\/ol>\n

      \u56db\u3001\u4ee3\u7801\u793a\u4f8b<\/p>\n

      \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793a\u4e00\u4e2a\u53ef\u80fd\u5bfc\u81f4Oops\u7684\u95ee\u9898\uff1a<\/p>\n

      #include <stdio.h>\n#include <stdlib.h>\n\nvoid access_null_pointer() {\n    int *ptr = NULL;\n    *ptr = 10;\n}\n\nint main() {\n    access_null_pointer();\n    return 0;\n}<\/stdlib.h><\/stdio.h><\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u51fd\u6570access_null_pointer()\u5c1d\u8bd5\u5bf9\u7a7a\u6307\u9488\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\uff0c\u8fd9\u5c06\u5bfc\u81f4\u7cfb\u7edf\u53d1\u751f\u6bb5\u9519\u8bef\uff0c\u8fdb\u800c\u53ef\u80fd\u89e6\u53d1Oops\u3002\u901a\u8fc7\u5206\u6790Oops\u4fe1\u606f\u548c\u68c0\u67e5\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5230\u8fd9\u4e00\u95ee\u9898\uff0c\u5e76\u4fee\u590d\u4ee3\u7801\u3002<\/p>\n
      \u901a\u8fc7\u4ee5\u4e0a\u7684\u5206\u6790\u548c\u793a\u4f8b\uff0c\u76f8\u4fe1\u8bfb\u8005\u5bf9Linux Oops\u7684\u610f\u4e49\u548c\u89e3\u51b3\u65b9\u6848\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002Linux Oops\u867d\u7136\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u4f46\u53ea\u8981\u4ed4\u7ec6\u5206\u6790\u548c\u5904\u7406\uff0c\u5c31\u80fd\u591f\u6709\u6548\u5730\u89e3\u51b3\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u5e94\u5bf9Linux Oops\u95ee\u9898\uff0c\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u63a2\u7a76Linux Oops\uff1a\u610f\u4e49\u53ca\u89e3\u51b3\u65b9\u6848\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u63a2\u7a76Linux Oops\uff1a\u610f\u4e49\u53ca\u89e3\u51b3\u65b9\u6848 \u5728\u4f7f\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fc7\u7a0b\u4e2d\uff0c\u96be\u514d\u4f1a\u9047\u5230\u5404\u79cd\u95ee\u9898\u548c\u9519\u8bef\u3002\u5176\u4e2d\uff0cOops\uff08\u610f\u5916\uff09\u662f\u4e00\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u4e5f\u662f\u9700\u8981\u53ca\u65f6\u89e3\u51b3\u7684\u3002\u672c\u6587\u5c06\u63a2\u8ba8Linux Oops\u7684\u610f\u4e49\u3001\u5e38\u89c1\u539f\u56e0\u4ee5\u53ca\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5904\u7406\u8fd9\u4e00\u95ee\u9898\u3002 \u4e00\u3001Linux Oops\u7684\u610f\u4e49 Linux Oops\u6307\u7684\u662f\u5185\u6838\u53d1\u751f\u4e25\u91cd\u9519\u8bef\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u7684\u60c5\u51b5\u3002\u5f53Linux\u5185\u6838\u9047\u5230\u65e0\u6cd5\u5904\u7406\u7684\u9519\u8bef\u65f6\uff0c\u4f1a\u663e\u793aOops\u4fe1\u606f\u5e76\u5c06\u7cfb\u7edf\u6302\u8d77\uff0c\u9632\u6b62\u7ee7\u7eed\u6267\u884c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u4e25\u91cd\u95ee\u9898\u7684\u4ee3\u7801\u3002Oops\u4fe1\u606f\u5305\u542b\u4e86\u5bfc\u81f4\u95ee\u9898\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982\u9519\u8bef\u4ee3\u7801\u3001\u53d1\u751f\u9519\u8bef\u7684\u4f4d\u7f6e\u7b49\uff0c\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002 Oops\u4fe1\u606f\u7684\u4ea7\u751f\u5bf9\u4e8e\u7cfb\u7edf\u8bca\u65ad\u548c\u8c03\u8bd5\u975e\u5e38\u91cd\u8981\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u6709\u6548\u7684\u89e3\u51b3\u63aa\u65bd\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002 \u4e8c\u3001Linux Oops\u7684\u5e38\u89c1\u539f\u56e0 \u5185\u5b58\u9519\u8bef\uff1a\u5185\u5b58\u6cc4\u6f0f\u3001\u5185\u5b58\u8d8a\u754c\u8bbf\u95ee\u7b49\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4Oops\u3002 \u7a7a\u6307\u9488\u5f15\u7528\uff1a\u5bf9\u7a7a\u6307\u9488\u7684\u5f15\u7528\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u3002 \u8d44\u6e90\u7ade\u4e89\uff1a\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u7684\u8d44\u6e90\u7ade\u4e89\u95ee\u9898\u4e5f\u662fOops\u7684\u5e38\u89c1\u539f\u56e0\u3002 \u8bbe\u5907\u9a71\u52a8\u95ee\u9898\uff1a\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u7684bug\u53ef\u80fd\u5bfc\u81f4Oops\u3002 \u5185\u6838\u6a21\u5757\u51b2\u7a81\uff1a\u4e0d\u517c\u5bb9\u7684\u5185\u6838\u6a21\u5757\u53ef\u80fd\u5f15\u53d1Oops\u3002 \u4e09\u3001Linux Oops\u7684\u89e3\u51b3\u65b9\u6848 \u5206\u6790Oops\u4fe1\u606f\uff1a\u9996\u5148\u9700\u8981\u5206\u6790Oops\u4fe1\u606f\uff0c\u4e86\u89e3\u5bfc\u81f4\u95ee\u9898\u7684\u5177\u4f53\u539f\u56e0\u3002 \u68c0\u67e5\u65e5\u5fd7\uff1a\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\uff0c\u5bfb\u627e\u53ef\u80fd\u6709\u5173\u7684\u4fe1\u606f\u3002 \u6392\u67e5\u4ee3\u7801\uff1a\u68c0\u67e5\u76f8\u5173\u4ee3\u7801\u7247\u6bb5\uff0c\u5c3d\u53ef\u80fd\u6392\u9664\u4ee3\u7801\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u9519\u8bef\u3002 \u5185\u5b58\u68c0\u6d4b\uff1a\u4f7f\u7528\u5de5\u5177\u68c0\u6d4b\u5185\u5b58\u662f\u5426\u5b58\u5728\u95ee\u9898\uff0c\u5982memtest86+\u3002 \u7a0b\u5e8f\uff1a\u786e\u4fdd\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u662f\u6700\u65b0\u7684\uff0c\u5e76\u4e14\u6ca1\u6709bug\u3002 \u79fb\u9664\u51b2\u7a81\u6a21\u5757\uff1a\u5982\u679c\u5b58\u5728\u4e0d\u517c\u5bb9\u7684\u5185\u6838\u6a21\u5757\uff0c\u5c1d\u8bd5\u79fb\u9664\u6216\u66ff\u6362\u3002 \u52a0\u5f3a\u6d4b\u8bd5\uff1a\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u52a0\u5f3a\u6d4b\u8bd5\uff0c\u5c3d\u65e9\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u3002 \u56db\u3001\u4ee3\u7801\u793a\u4f8b \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793a\u4e00\u4e2a\u53ef\u80fd\u5bfc\u81f4Oops\u7684\u95ee\u9898\uff1a #include <stdio.h> #include <stdlib.h> void access_null_pointer() { int *ptr = NULL; 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