{"id":111893,"date":"2026-10-02T02:33:24","date_gmt":"2026-10-01T18:33:24","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/111893.html"},"modified":"2026-10-02T02:33:24","modified_gmt":"2026-10-01T18:33:24","slug":"%e3%80%90linux%e6%8c%87%e5%8d%97%e3%80%91%e5%8a%a8%e9%9d%99%e6%80%81%e5%ba%93%e7%b3%bb%e5%88%97%ef%bc%88%e4%b9%9d%ef%bc%89%ef%bc%9a%e5%8a%a8%e6%80%81%e5%ba%93%e5%a6%82%e4%bd%95%e8%bf%9b%e5%85%a5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/111893.html","title":{"rendered":"\u3010Linux\u6307\u5357\u3011\u52a8\u9759\u6001\u5e93\u7cfb\u5217\uff08\u4e5d\uff09\uff1a\u52a8\u6001\u5e93\u5982\u4f55\u8fdb\u5165\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\uff1a\u4ece\u78c1\u76d8 .so \u5230\u5171\u4eab\u5185\u5b58\u6620\u5c04"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u4e00\u3001\u52a8\u6001\u5e93\u4e3a\u4ec0\u4e48\u6bd4\u9759\u6001\u5e93\u66f4\u5e38\u7528<\/li>\n<li>\u4e8c\u3001\u52a8\u6001\u5e93\u4e5f\u662f\u6587\u4ef6<\/li>\n<li>\u4e09\u3001\u52a8\u6001\u5e93\u52a0\u8f7d\u7684\u6574\u4f53\u6d41\u7a0b<\/li>\n<li>\u56db\u3001\u4ece\u78c1\u76d8 .so \u5230\u7269\u7406\u5185\u5b58<\/li>\n<li>\u4e94\u3001\u4ece\u7269\u7406\u5185\u5b58\u5230\u8fdb\u7a0b\u865a\u62df\u5730\u5740\u7a7a\u95f4<\/li>\n<li>\u516d\u3001\u591a\u4e2a\u8fdb\u7a0b\u5982\u4f55\u5171\u4eab\u540c\u4e00\u4e2a\u52a8\u6001\u5e93<\/li>\n<li>\u4e03\u3001\u5171\u4eab\u7684\u662f\u4ee3\u7801&#xff0c;\u4e0d\u662f\u4ec0\u4e48\u90fd\u5171\u4eab<\/li>\n<li>\u516b\u3001\u4e3a\u4ec0\u4e48\u52a8\u6001\u5e93\u52a0\u8f7d\u5730\u5740\u4e0d\u56fa\u5b9a<\/li>\n<li>\u4e5d\u3001\u4f7f\u7528 \/proc \u67e5\u770b\u52a8\u6001\u5e93\u6620\u5c04<\/li>\n<li>\u5341\u3001\u4f7f\u7528 pmap \u67e5\u770b\u8fdb\u7a0b\u6620\u5c04<\/li>\n<li>\u5341\u4e00\u3001\u52a8\u6001\u94fe\u63a5\u548c\u9759\u6001\u94fe\u63a5\u518d\u5bf9\u6bd4\u4e00\u6b21<\/li>\n<li>\u5341\u4e8c\u3001\u4e3a\u4ec0\u4e48\u52a8\u6001\u5e93\u9700\u8981\u540e\u7eed\u91cd\u5b9a\u4f4d<\/li>\n<li>\u5341\u4e09\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u77e5\u9053&#xff0c;\u52a8\u6001\u5e93 .so \u4e0d\u662f\u5728\u7f16\u8bd1\u94fe\u63a5\u9636\u6bb5\u5b8c\u6574\u62f7\u8d1d\u8fdb\u53ef\u6267\u884c\u7a0b\u5e8f&#xff0c;\u800c\u662f\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u88ab\u52a8\u6001\u94fe\u63a5\u5668\u52a0\u8f7d\u3002<\/p>\n<p>\u90a3\u4e48\u95ee\u9898\u6765\u4e86&#xff1a;\u78c1\u76d8\u4e0a\u7684 libxxx.so \u5230\u5e95\u662f\u600e\u4e48\u8fdb\u5165\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u7684&#xff1f;\u591a\u4e2a\u7a0b\u5e8f\u90fd\u4f9d\u8d56\u540c\u4e00\u4e2a\u52a8\u6001\u5e93\u65f6&#xff0c;\u7cfb\u7edf\u771f\u7684\u4f1a\u7ed9\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u590d\u5236\u4e00\u4efd\u5e93\u4ee3\u7801\u5417&#xff1f;\u4e3a\u4ec0\u4e48\u8bf4\u52a8\u6001\u5e93\u53ef\u4ee5\u8282\u7701\u5185\u5b58&#xff1f;<\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u5c31\u56f4\u7ed5\u201c\u52a8\u6001\u5e93\u5982\u4f55\u6620\u5c04\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u201d\u5c55\u5f00\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261001183320-6abea770ba9cc.png\" alt=\"image.png\" \/><\/p>\n<h3>\u4e00\u3001\u52a8\u6001\u5e93\u4e3a\u4ec0\u4e48\u6bd4\u9759\u6001\u5e93\u66f4\u5e38\u7528<\/h3>\n<p>\u9759\u6001\u94fe\u63a5\u4f1a\u628a\u7528\u5230\u7684\u5e93\u4ee3\u7801\u5408\u5e76\u8fdb\u53ef\u6267\u884c\u6587\u4ef6\u3002\u8fd9\u6837\u7a0b\u5e8f\u53ef\u4ee5\u72ec\u7acb\u8fd0\u884c&#xff0c;\u4f46\u4e5f\u5e26\u6765\u4e24\u4e2a\u95ee\u9898&#xff1a;<\/p>\n<li>\u53ef\u6267\u884c\u6587\u4ef6\u53d8\u5927\u3002<\/li>\n<li>\u591a\u4e2a\u7a0b\u5e8f\u4f7f\u7528\u540c\u4e00\u4e2a\u5e93\u65f6&#xff0c;\u4f1a\u91cd\u590d\u4fdd\u5b58\u540c\u4e00\u4efd\u4ee3\u7801\u3002<\/li>\n<p>\u5047\u8bbe\u7cfb\u7edf\u91cc\u6709 100 \u4e2a\u7a0b\u5e8f\u90fd\u7528\u5230\u4e86 C \u6807\u51c6\u5e93\u3002\u5982\u679c\u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u628a libc \u7684\u4ee3\u7801\u9759\u6001\u94fe\u63a5\u8fdb\u53bb&#xff0c;\u78c1\u76d8\u548c\u5185\u5b58\u90fd\u4f1a\u6d6a\u8d39\u5927\u91cf\u7a7a\u95f4\u3002<\/p>\n<p>\u52a8\u6001\u5e93\u7684\u601d\u8def\u662f&#xff1a;<\/p>\n<p>\u628a\u516c\u5171\u4ee3\u7801\u5355\u72ec\u653e\u5728 .so \u6587\u4ef6\u4e2d&#xff1b;<br \/>\n\u7a0b\u5e8f\u8fd0\u884c\u65f6\u518d\u52a0\u8f7d&#xff1b;<br \/>\n\u591a\u4e2a\u8fdb\u7a0b\u5c3d\u91cf\u5171\u4eab\u540c\u4e00\u4efd\u5e93\u4ee3\u7801\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u52a8\u6001\u5e93\u5e7f\u6cdb\u4f7f\u7528\u7684\u91cd\u8981\u539f\u56e0\u3002<\/p>\n<h3>\u4e8c\u3001\u52a8\u6001\u5e93\u4e5f\u662f\u6587\u4ef6<\/h3>\n<p>\u5148\u660e\u786e\u4e00\u70b9&#xff1a;\u52a8\u6001\u5e93\u4e0d\u662f\u5185\u5b58\u91cc\u51ed\u7a7a\u51fa\u73b0\u7684\u4e1c\u897f&#xff0c;\u5b83\u9996\u5148\u662f\u78c1\u76d8\u4e0a\u7684\u4e00\u4e2a\u666e\u901a\u6587\u4ef6\u3002<\/p>\n<p>\u4f8b\u5982&#xff1a;<\/p>\n<p><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-l<\/span> \/lib64\/libc.so.6<br \/>\n<span class=\"token function\">file<\/span> \/lib64\/libc.so.6<\/p>\n<p>\u4f60\u4f1a\u53d1\u73b0\u5b83\u662f\u4e00\u4e2a ELF shared object\u3002<\/p>\n<p>\u6240\u4ee5\u52a0\u8f7d\u52a8\u6001\u5e93\u7684\u7b2c\u4e00\u6b65&#xff0c;\u4ecd\u7136\u662f\u6587\u4ef6\u64cd\u4f5c&#xff1a;<\/p>\n<p>\u627e\u5230 .so \u6587\u4ef6<br \/>\n\u6253\u5f00 .so \u6587\u4ef6<br \/>\n\u8bfb\u53d6 ELF \u4fe1\u606f<br \/>\n\u628a\u9700\u8981\u7684 segment \u6620\u5c04\u8fdb\u5185\u5b58<\/p>\n<p>\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u8fc7\u7a0b\u901a\u5e38\u7531\u52a8\u6001\u94fe\u63a5\u5668\u548c\u5185\u6838\u534f\u4f5c\u5b8c\u6210&#xff0c;\u7a0b\u5e8f\u5458\u5e73\u65f6\u4e0d\u76f4\u63a5\u611f\u77e5\u3002<\/p>\n<h3>\u4e09\u3001\u52a8\u6001\u5e93\u52a0\u8f7d\u7684\u6574\u4f53\u6d41\u7a0b<\/h3>\n<p>\u4e00\u4e2a\u52a8\u6001\u94fe\u63a5\u7a0b\u5e8f\u542f\u52a8\u65f6&#xff0c;\u5927\u81f4\u6d41\u7a0b\u5982\u4e0b&#xff1a;<\/p>\n<p>1. \u5185\u6838\u52a0\u8f7d\u4e3b\u7a0b\u5e8f ELF<br \/>\n2. \u53d1\u73b0\u4e3b\u7a0b\u5e8f\u9700\u8981\u52a8\u6001\u94fe\u63a5\u5668<br \/>\n3. \u52a8\u6001\u94fe\u63a5\u5668\u8bfb\u53d6\u4e3b\u7a0b\u5e8f\u4f9d\u8d56\u7684 .so \u5217\u8868<br \/>\n4. \u627e\u5230\u6bcf\u4e2a .so \u6587\u4ef6<br \/>\n5. \u5c06 .so \u7684\u4ee3\u7801\u6bb5\u3001\u6570\u636e\u6bb5\u7b49\u6620\u5c04\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4<br \/>\n6. \u5b8c\u6210\u5fc5\u8981\u7684\u7b26\u53f7\u89e3\u6790\u548c\u91cd\u5b9a\u4f4d<br \/>\n7. \u8fdb\u5165\u7a0b\u5e8f main \u51fd\u6570<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261001183322-6abea7726cf3a.png\" alt=\"image.png\" \/><\/p>\n<p>\u5982\u679c\u7b2c 4 \u6b65\u627e\u4e0d\u5230\u5e93&#xff0c;\u5c31\u4f1a\u51fa\u73b0\u6211\u4eec\u524d\u4e00\u7bc7\u8bb2\u7684&#xff1a;<\/p>\n<p>libxxx.so &#061;&gt; not found<\/p>\n<p>\u5982\u679c\u80fd\u627e\u5230\u5e93&#xff0c;\u4e0b\u4e00\u6b65\u5c31\u662f\u628a\u5e93\u6620\u5c04\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u3002<\/p>\n<h3>\u56db\u3001\u4ece\u78c1\u76d8 .so \u5230\u7269\u7406\u5185\u5b58<\/h3>\n<p>\u5f53\u7a0b\u5e8f\u4f9d\u8d56 libmyc.so \u65f6&#xff0c;\u52a8\u6001\u94fe\u63a5\u5668\u4f1a\u627e\u5230\u78c1\u76d8\u4e0a\u7684\u5e93\u6587\u4ef6\u3002<\/p>\n<p>\u7136\u540e\u7cfb\u7edf\u4f1a\u628a\u5e93\u4e2d\u9700\u8981\u52a0\u8f7d\u7684 segment \u653e\u5165\u7269\u7406\u5185\u5b58&#xff0c;\u5c24\u5176\u662f\u4ee3\u7801\u6bb5 .text \u5bf9\u5e94\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u53ef\u4ee5\u5148\u7c97\u7565\u7406\u89e3\u4e3a&#xff1a;<\/p>\n<p>\u78c1\u76d8 libmyc.so<br \/>\n    -&gt; \u52a0\u8f7d\u5230\u7269\u7406\u5185\u5b58\u4e2d\u7684\u82e5\u5e72\u9875<\/p>\n<p>\u73b0\u4ee3\u7cfb\u7edf\u5f88\u591a\u65f6\u5019\u8fd8\u4f1a\u7528\u6587\u4ef6\u6620\u5c04\u3001\u6309\u9700\u5206\u9875\u7b49\u673a\u5236&#xff0c;\u5e76\u4e0d\u662f\u4e00\u5f00\u59cb\u5c31\u628a\u6574\u4e2a\u5e93\u6240\u6709\u5185\u5bb9\u90fd\u8bfb\u5165\u5185\u5b58\u3002\u4f46\u4ece\u7406\u89e3\u52a8\u6001\u5e93\u5171\u4eab\u7684\u89d2\u5ea6&#xff0c;\u6211\u4eec\u5148\u6293\u4f4f\u6838\u5fc3&#xff1a;<\/p>\n<p>\u5e93\u6587\u4ef6\u7684\u5185\u5bb9\u6700\u7ec8\u8981\u5bf9\u5e94\u5230\u7269\u7406\u5185\u5b58\u9875\u3002<\/p>\n<h3>\u4e94\u3001\u4ece\u7269\u7406\u5185\u5b58\u5230\u8fdb\u7a0b\u865a\u62df\u5730\u5740\u7a7a\u95f4<\/h3>\n<p>\u8fdb\u7a0b\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\u7269\u7406\u5730\u5740\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u770b\u5230\u7684\u662f\u81ea\u5df1\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n<p>\u6240\u4ee5\u52a8\u6001\u5e93\u52a0\u8f7d\u540e&#xff0c;\u8fd8\u9700\u8981\u5728\u5f53\u524d\u8fdb\u7a0b\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u4e2d\u5212\u51fa\u4e00\u6bb5\u533a\u57df&#xff0c;\u7528\u6765\u6620\u5c04\u8fd9\u4efd\u5e93\u3002<\/p>\n<p>\u53ef\u4ee5\u7406\u89e3\u4e3a&#xff1a;<\/p>\n<p>\u8fdb\u7a0b\u865a\u62df\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u4e00\u6bb5\u5171\u4eab\u533a<br \/>\n    -&gt; \u901a\u8fc7\u9875\u8868<br \/>\n    -&gt; \u6620\u5c04\u5230\u7269\u7406\u5185\u5b58\u4e2d\u7684 libmyc.so \u4ee3\u7801\u9875<\/p>\n<p>\u4f8b\u5982&#xff0c;\u8fdb\u7a0b A \u4e2d libmyc.so \u53ef\u80fd\u6620\u5c04\u5230&#xff1a;<\/p>\n<p>0x7f1000000000 ~ 0x7f1000010000<\/p>\n<p>\u8fd9\u53ea\u662f\u8fdb\u7a0b A \u81ea\u5df1\u770b\u5230\u7684\u865a\u62df\u5730\u5740\u8303\u56f4\u3002<\/p>\n<p>\u771f\u6b63\u7684\u7269\u7406\u5185\u5b58\u5728\u54ea\u91cc&#xff0c;\u8fdb\u7a0b\u5e76\u4e0d\u76f4\u63a5\u5173\u5fc3\u3002CPU \u4f1a\u901a\u8fc7\u9875\u8868\u5b8c\u6210\u8f6c\u6362\u3002<\/p>\n<h3>\u516d\u3001\u591a\u4e2a\u8fdb\u7a0b\u5982\u4f55\u5171\u4eab\u540c\u4e00\u4e2a\u52a8\u6001\u5e93<\/h3>\n<p>\u5047\u8bbe\u8fdb\u7a0b A \u548c\u8fdb\u7a0b B \u90fd\u4f9d\u8d56 libmyc.so\u3002<\/p>\n<p>\u8fdb\u7a0b A \u542f\u52a8\u65f6&#xff1a;<\/p>\n<p>\u78c1\u76d8 libmyc.so -&gt; \u7269\u7406\u5185\u5b58\u4ee3\u7801\u9875<br \/>\n\u8fdb\u7a0b A \u7684\u865a\u62df\u5171\u4eab\u533a -&gt; \u6620\u5c04\u5230\u8fd9\u4e9b\u7269\u7406\u9875<\/p>\n<p>\u8fdb\u7a0b B \u542f\u52a8\u65f6&#xff0c;\u5982\u679c\u7cfb\u7edf\u53d1\u73b0\u8fd9\u4efd\u5e93\u7684\u4ee3\u7801\u9875\u5df2\u7ecf\u5728\u7269\u7406\u5185\u5b58\u4e2d&#xff0c;\u5c31\u4e0d\u5fc5\u518d\u52a0\u8f7d\u4e00\u4efd\u5b8c\u6574\u4ee3\u7801\u3002<\/p>\n<p>\u5b83\u53ea\u9700\u8981&#xff1a;<\/p>\n<p>\u7ed9\u8fdb\u7a0b B \u5206\u914d\u81ea\u5df1\u7684\u865a\u62df\u5171\u4eab\u533a<br \/>\n\u8ba9\u8fdb\u7a0b B \u7684\u9875\u8868\u4e5f\u6620\u5c04\u5230\u540c\u4e00\u6279\u7269\u7406\u4ee3\u7801\u9875<\/p>\n<p>\u4e8e\u662f\u5f62\u6210&#xff1a;<\/p>\n<p>\u8fdb\u7a0b A \u865a\u62df\u5730\u5740 0x7f1000000000 -&gt; \u540c\u4e00\u4efd\u7269\u7406\u5e93\u4ee3\u7801<br \/>\n\u8fdb\u7a0b B \u865a\u62df\u5730\u5740 0x7f2000000000 -&gt; \u540c\u4e00\u4efd\u7269\u7406\u5e93\u4ee3\u7801<\/p>\n<p>\u6ce8\u610f&#xff1a;<\/p>\n<p>\u4e24\u4e2a\u8fdb\u7a0b\u7684\u865a\u62df\u5730\u5740\u53ef\u4ee5\u4e0d\u540c&#xff1b;<br \/>\n\u4f46\u5b83\u4eec\u53ef\u4ee5\u6620\u5c04\u5230\u540c\u4e00\u4efd\u7269\u7406\u5185\u5b58\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261001183322-6abea772b39f3.png\" alt=\"image.png\" \/><\/p>\n<p>\u8fd9\u5c31\u662f\u52a8\u6001\u5e93\u8282\u7701\u5185\u5b58\u7684\u5173\u952e\u3002<\/p>\n<h3>\u4e03\u3001\u5171\u4eab\u7684\u662f\u4ee3\u7801&#xff0c;\u4e0d\u662f\u4ec0\u4e48\u90fd\u5171\u4eab<\/h3>\n<p>\u52a8\u6001\u5e93\u4e2d\u5e76\u4e0d\u662f\u6240\u6709\u5185\u5bb9\u90fd\u80fd\u968f\u4fbf\u5171\u4eab\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4&#xff1a;<\/p>\n<p>\u53ea\u8bfb\u4ee3\u7801\u6bb5\u53ef\u4ee5\u5171\u4eab&#xff1b;<br \/>\n\u53ea\u8bfb\u6570\u636e\u53ef\u4ee5\u5171\u4eab&#xff1b;<br \/>\n\u53ef\u5199\u6570\u636e\u901a\u5e38\u4e0d\u80fd\u76f4\u63a5\u5728\u8fdb\u7a0b\u95f4\u5171\u4eab\u3002<\/p>\n<p>\u539f\u56e0\u5f88\u7b80\u5355&#xff1a;\u5982\u679c\u52a8\u6001\u5e93\u4e2d\u7684\u5168\u5c40\u53d8\u91cf\u88ab\u591a\u4e2a\u8fdb\u7a0b\u5171\u4eab&#xff0c;\u90a3\u8fdb\u7a0b A \u4fee\u6539\u53d8\u91cf\u4f1a\u5f71\u54cd\u8fdb\u7a0b B&#xff0c;\u8fd9\u663e\u7136\u4e0d\u7b26\u5408\u666e\u901a\u8fdb\u7a0b\u9694\u79bb\u539f\u5219\u3002<\/p>\n<p>\u6240\u4ee5\u52a8\u6001\u5e93\u7684\u53ef\u5199\u6570\u636e\u90e8\u5206\u901a\u5e38\u4f1a\u4e3a\u6bcf\u4e2a\u8fdb\u7a0b\u63d0\u4f9b\u72ec\u7acb\u6620\u5c04&#xff0c;\u6216\u8005\u901a\u8fc7\u5199\u65f6\u62f7\u8d1d\u7b49\u673a\u5236\u4fdd\u8bc1\u8fdb\u7a0b\u9694\u79bb\u3002<\/p>\n<p>\u52a8\u6001\u5e93\u8282\u7701\u5185\u5b58\u4e3b\u8981\u4f9d\u8d56&#xff1a;<\/p>\n<p>\u4ee3\u7801\u6bb5\u53ea\u8bfb&#xff0c;\u53ef\u4ee5\u88ab\u591a\u4e2a\u8fdb\u7a0b\u5171\u4eab\u3002<\/p>\n<p>\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u52a8\u6001\u5e93\u4ee3\u7801\u8981\u5c3d\u91cf\u505a\u5230\u4f4d\u7f6e\u65e0\u5173&#xff0c;\u4e0d\u80fd\u968f\u4fbf\u4fee\u6539\u4ee3\u7801\u6bb5\u672c\u8eab\u3002<\/p>\n<h3>\u516b\u3001\u4e3a\u4ec0\u4e48\u52a8\u6001\u5e93\u52a0\u8f7d\u5730\u5740\u4e0d\u56fa\u5b9a<\/h3>\n<p>\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u3002\u4e0d\u540c\u8fdb\u7a0b\u52a0\u8f7d\u4e86\u4e0d\u540c\u7684\u7a0b\u5e8f\u3001\u4e0d\u540c\u7684\u5e93&#xff0c;\u5730\u5740\u7a7a\u95f4\u4e2d\u7a7a\u95f2\u533a\u57df\u4e5f\u4e0d\u540c\u3002<\/p>\n<p>\u6240\u4ee5\u52a8\u6001\u94fe\u63a5\u5668\u4e0d\u80fd\u5047\u8bbe\u6240\u6709\u8fdb\u7a0b\u90fd\u628a libmyc.so \u653e\u5230\u540c\u4e00\u4e2a\u865a\u62df\u5730\u5740\u3002<\/p>\n<p>\u5b83\u901a\u5e38\u4f1a\u5728\u5f53\u524d\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u9009\u62e9\u4e00\u6bb5\u5408\u9002\u7684\u7a7a\u95f2\u533a\u57df&#xff0c;\u628a\u52a8\u6001\u5e93\u6620\u5c04\u8fdb\u53bb\u3002<\/p>\n<p>\u8fd9\u5c31\u5e26\u6765\u4e00\u4e2a\u5173\u952e\u95ee\u9898&#xff1a;<\/p>\n<p>\u52a8\u6001\u5e93\u5982\u679c\u88ab\u52a0\u8f7d\u5230\u4efb\u610f\u5730\u5740&#xff0c;\u91cc\u9762\u7684\u51fd\u6570\u8c03\u7528\u548c\u5168\u5c40\u53d8\u91cf\u8bbf\u95ee\u600e\u4e48\u4fdd\u8bc1\u6b63\u786e&#xff1f;<\/p>\n<p>\u8fd9\u5c31\u662f\u4e0b\u4e00\u7bc7 GOT\/PIC \u8981\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n<h3>\u4e5d\u3001\u4f7f\u7528 \/proc \u67e5\u770b\u52a8\u6001\u5e93\u6620\u5c04<\/h3>\n<p>Linux \u63d0\u4f9b\u4e86 \/proc\/[pid]\/maps&#xff0c;\u53ef\u4ee5\u67e5\u770b\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u6620\u5c04\u3002<\/p>\n<p>\u5148\u8fd0\u884c\u4e00\u4e2a\u7a0b\u5e8f&#xff0c;\u8ba9\u5b83\u4fdd\u6301\u4e00\u6bb5\u65f6\u95f4&#xff1a;<\/p>\n<p>.\/main<\/p>\n<p>\u5982\u679c\u7a0b\u5e8f\u5f88\u5feb\u9000\u51fa&#xff0c;\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u52a0 sleep(100)\u3002<\/p>\n<p>\u7136\u540e\u67e5\u770b&#xff1a;<\/p>\n<p>pidof main<br \/>\n<span class=\"token function\">cat<\/span> \/proc\/\u8fdb\u7a0bPID\/maps<\/p>\n<p>\u4f60\u4f1a\u770b\u5230\u7c7b\u4f3c&#xff1a;<\/p>\n<p>7f&#8230; r-xp &#8230; \/lib64\/libc.so.6<br \/>\n7f&#8230; r&#8211;p &#8230; \/lib64\/libc.so.6<br \/>\n7f&#8230; rw-p &#8230; \/lib64\/libc.so.6<\/p>\n<p>\u8fd9\u4e9b\u884c\u8bf4\u660e libc.so.6 \u7684\u4e0d\u540c\u90e8\u5206\u88ab\u6620\u5c04\u5230\u4e86\u8fdb\u7a0b\u865a\u62df\u5730\u5740\u7a7a\u95f4\u4e2d&#xff0c;\u5e76\u4e14\u6743\u9650\u4e0d\u540c&#xff1a;<\/p>\n<p>r-xp&#xff1a;\u53ef\u8bfb\u53ef\u6267\u884c&#xff0c;\u901a\u5e38\u5bf9\u5e94\u4ee3\u7801\u6bb5<br \/>\nr&#8211;p&#xff1a;\u53ea\u8bfb<br \/>\nrw-p&#xff1a;\u53ef\u8bfb\u53ef\u5199&#xff0c;\u901a\u5e38\u5bf9\u5e94\u6570\u636e\u6bb5<\/p>\n<p>\u8fd9\u80fd\u975e\u5e38\u76f4\u89c2\u5730\u770b\u5230\u52a8\u6001\u5e93\u786e\u5b9e\u8fdb\u5165\u4e86\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n<h3>\u5341\u3001\u4f7f\u7528 pmap \u67e5\u770b\u8fdb\u7a0b\u6620\u5c04<\/h3>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528&#xff1a;<\/p>\n<p>pmap \u8fdb\u7a0bPID<\/p>\n<p>\u5b83\u4f1a\u4ee5\u66f4\u7b80\u6d01\u7684\u5f62\u5f0f\u5c55\u793a\u8fdb\u7a0b\u5185\u5b58\u6620\u5c04\u3002<\/p>\n<p>\u4f8b\u5982&#xff1a;<\/p>\n<p>pmap <span class=\"token variable\"><span class=\"token variable\">$(<\/span>pidof main<span class=\"token variable\">)<\/span><\/span><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u4e3b\u7a0b\u5e8f\u3001\u5806\u3001\u6808\u3001\u52a8\u6001\u5e93\u7b49\u533a\u57df\u3002<\/p>\n<p>\u5b66\u4e60\u52a8\u6001\u5e93\u65f6&#xff0c;\/proc\/[pid]\/maps \u662f\u975e\u5e38\u6709\u4ef7\u503c\u7684\u89c2\u5bdf\u5de5\u5177\u3002<\/p>\n<h3>\u5341\u4e00\u3001\u52a8\u6001\u94fe\u63a5\u548c\u9759\u6001\u94fe\u63a5\u518d\u5bf9\u6bd4\u4e00\u6b21<\/h3>\n<p>\u9759\u6001\u94fe\u63a5&#xff1a;<\/p>\n<p>\u5e93\u4ee3\u7801\u5728\u94fe\u63a5\u9636\u6bb5\u8fdb\u5165\u53ef\u6267\u884c\u6587\u4ef6&#xff1b;<br \/>\n\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4e0d\u518d\u627e\u5e93&#xff1b;<br \/>\n\u591a\u4e2a\u7a0b\u5e8f\u5404\u81ea\u5305\u542b\u4e00\u4efd\u5e93\u4ee3\u7801\u3002<\/p>\n<p>\u52a8\u6001\u94fe\u63a5&#xff1a;<\/p>\n<p>\u53ef\u6267\u884c\u6587\u4ef6\u8bb0\u5f55\u4f9d\u8d56&#xff1b;<br \/>\n\u7a0b\u5e8f\u8fd0\u884c\u65f6\u52a0\u8f7d .so&#xff1b;<br \/>\n\u591a\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u5171\u4eab\u540c\u4e00\u4efd\u5e93\u4ee3\u7801\u7269\u7406\u9875\u3002<\/p>\n<p>\u52a8\u6001\u94fe\u63a5\u672c\u8d28\u4e0a\u628a\u4e00\u90e8\u5206\u94fe\u63a5\u5de5\u4f5c\u63a8\u8fdf\u5230\u4e86\u7a0b\u5e8f\u52a0\u8f7d\u548c\u8fd0\u884c\u9636\u6bb5\u3002<\/p>\n<p>\u8fd9\u5e26\u6765\u7075\u6d3b\u6027&#xff0c;\u4e5f\u5e26\u6765\u590d\u6742\u6027\u3002<\/p>\n<h3>\u5341\u4e8c\u3001\u4e3a\u4ec0\u4e48\u52a8\u6001\u5e93\u9700\u8981\u540e\u7eed\u91cd\u5b9a\u4f4d<\/h3>\n<p>\u52a8\u6001\u5e93\u88ab\u6620\u5c04\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u540e&#xff0c;\u5b83\u7684\u52a0\u8f7d\u5730\u5740\u624d\u771f\u6b63\u786e\u5b9a\u3002<\/p>\n<p>\u4f46\u5e93\u4ee3\u7801\u4e2d\u53ef\u80fd\u9700\u8981\u8bbf\u95ee&#xff1a;<\/p>\n<p>\u5e93\u5185\u51fd\u6570<br \/>\n\u5e93\u5185\u5168\u5c40\u53d8\u91cf<br \/>\n\u5176\u4ed6\u52a8\u6001\u5e93\u51fd\u6570<br \/>\n\u4e3b\u7a0b\u5e8f\u4e2d\u7684\u7b26\u53f7<\/p>\n<p>\u6709\u4e9b\u5730\u5740\u5fc5\u987b\u5728\u52a0\u8f7d\u540e\u624d\u80fd\u77e5\u9053\u3002<\/p>\n<p>\u6240\u4ee5\u52a8\u6001\u94fe\u63a5\u5668\u8fd8\u8981\u505a\u7b26\u53f7\u89e3\u6790\u548c\u91cd\u5b9a\u4f4d&#xff0c;\u8ba9\u8fd9\u4e9b\u5f15\u7528\u6307\u5411\u6b63\u786e\u4f4d\u7f6e\u3002<\/p>\n<p>\u95ee\u9898\u662f&#xff1a;\u4ee3\u7801\u6bb5\u901a\u5e38\u662f\u53ea\u8bfb\u4e14\u5171\u4eab\u7684&#xff0c;\u4e0d\u80fd\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u76f4\u63a5\u4fee\u6539\u4ee3\u7801\u6bb5\u91cc\u7684\u5730\u5740\u3002<\/p>\n<p>\u56e0\u6b64\u52a8\u6001\u94fe\u63a5\u9700\u8981\u4e00\u79cd\u66f4\u5de7\u5999\u7684\u673a\u5236&#xff1a;<\/p>\n<p>\u628a\u53ef\u80fd\u53d8\u5316\u7684\u5730\u5740\u653e\u5230\u53ef\u5199\u8868\u4e2d&#xff0c;\u4ee3\u7801\u901a\u8fc7\u67e5\u8868\u8df3\u8f6c\u3002<\/p>\n<p>\u8fd9\u5f20\u8868\u5c31\u662f 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