{"id":40,"date":"2021-09-18T17:46:20","date_gmt":"2021-09-18T09:46:20","guid":{"rendered":"http:\/\/blog.pbin.xin\/?p=40"},"modified":"2026-03-03T21:02:46","modified_gmt":"2026-03-03T13:02:46","slug":"%e3%80%90android%e3%80%91filedescription%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%e6%b3%84%e6%bc%8f","status":"publish","type":"post","link":"http:\/\/blog.percy.homes\/index.php\/2021\/09\/18\/%e3%80%90android%e3%80%91filedescription%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%e6%b3%84%e6%bc%8f\/","title":{"rendered":"\u3010Android\u3011FileDescription\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u6f0f"},"content":{"rendered":"<h1>\u3010\u7b14\u8bb0\u3011\u3010Android\u3011FileDescription\u6587\u4ef6\u63cf\u8ff0\u7b26\u6cc4\u6f0f<\/h1>\n<h2>\u8bb0\u4e00\u6b21\u5728\u516c\u53f8\u9879\u76ee\u4e2d\u7684crash<\/h2>\n<h3>\u73b0\u8c61<\/h3>\n<ul>\n<li>\u9879\u76eeApp\u5e94\u7528\u573a\u666f\u4e3a\u7c7b\u4f3c\u81ea\u52a9\u552e\u8d27\u673a\u4e00\u6837\u5177\u5907\u957f\u65f6\u95f4\u7a33\u5b9a\u8fd0\u884c\u8981\u6c42, \u5728\u538b\u529b\u6d4b\u8bd5\u4e2d\u53d1\u73b0, \u53d1\u73b0App\u4f1a\u5728\u4e00\u6bb5\u65f6\u95f4\u540e\u5d29\u6e83\u505c\u6b62\u5de5\u4f5c, \u770b\u65e5\u5fd7\u662flibc.so\u62a5\u9519abort&#8230;.SIGABRT\u4fe1\u53f7\u3002<\/li>\n<\/ul>\n<h2>\u6392\u67e5<\/h2>\n<ul>\n<li>\u901a\u8fc7LeakCanary\u3001Bugly\u7b49\u5747\u65e0\u6cd5\u6355\u6349\u5230\u6709\u7528\u7684\u4fe1\u606f \u3002<\/li>\n<li>\u518d\u901a\u8fc7\u6d4b\u8bd5\u8fd0\u884cApp\u4f46\u4e0d\u64cd\u4f5c\u7684\u60c5\u51b5 , \u53d1\u73b0\u5728App\u8fd0\u884c\u4f46\u4e0d\u64cd\u4f5c\u65f6\u518d\u957f\u65f6\u95f4\u90fd\u4e0d\u5b58\u5728\u5d29\u6e83 , \u968f\u540e\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5 , \u901a\u8fc7\u5bf9\u6d4b\u8bd5\u7ed3\u679c\u7684\u6574\u7406 , \u53d1\u73b0\u4f1a\u5bfc\u81f4\u5d29\u6e83\u7684\u5355\u5143\u5747\u8c03\u7528\u5230\u540c\u4e00\u4e2a\u786c\u4ef6 <strong>(\u901a\u8fc7\u786c\u4ef6\u5382\u5546\u7684\u5e93\u4f7f\u7528 , \u975e\u76f4\u63a5\u4f7f\u7528\u4e32\u53e3\u901a\u4fe1)<\/strong> , \u6000\u7591\u662f\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898 , \u4f46\u662f\u901a\u8fc7\u6392\u67e5\u53d1\u73b0\u5747\u6709\u6b63\u5e38\u8c03\u7528close\u65b9\u6cd5\u548c\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<li>\u6700\u540e\u901a\u8fc7\u641c\u7d22crash\u65e5\u5fd7\u627e\u5230\u4e00\u4e2a\u7c7b\u4f3c\u7684\u95ee\u9898, \u5bf9\u65b9\u7684crash\u4fe1\u606f\u5982\u4e0b\u56fe\u3002<\/li>\n<\/ul>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/43.138.204.135:7507\/images\/otherCrashLog.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" style=\"zoom: 50%;\" data-original=\"http:\/\/43.138.204.135:7507\/images\/otherCrashLog.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\u63cf\u8ff0\" \/><\/div><\/p>\n<ul>\n<li>\u5176\u4e2d\u6bd4\u8f83\u91cd\u8981\u7684\u4fe1\u606f\u662f<\/li>\n<\/ul>\n<pre><code class=\"java\">09-29 10:46:47.714 25962-25962\/? A\/DEBUG: Abort message: 'FORTIFY: FD_SET: file descriptor &gt;= FD_SETSIZE'\n<\/code><\/pre>\n<ul>\n<li>fd\u6570&gt;=FD_SETSIZE<\/li>\n<li>\u867d\u7136\u65e0\u6cd5\u786e\u8ba4\u6211\u8fd9\u8fb9\u7684\u539f\u56e0\u548c\u5bf9\u65b9\u7684\u4e00\u6837 , \u4f46\u662f\u4e5f\u7ee7\u7eed\u987a\u7740\u4e0b\u53bb\u6392\u67e5\u95ee\u9898<\/li>\n<li>\u9996\u5148\u67e5\u770bfile descriptor<\/li>\n<li>\u6587\u4ef6\u63cf\u8ff0\u7b26FileDescription \u4e0b\u9762\u7b80\u79f0fd<\/li>\n<li>\u67e5\u770b\u8bbe\u5907fd\u8d44\u6e90\u6570adb\u547d\u4ee4<\/li>\n<\/ul>\n<pre><code class=\"java\">adb connect (\u8bbe\u5907)\nadb shell\nsu\ncd \/proc\/(\u5e94\u7528pid)\/fd\nls -l\n<\/code><\/pre>\n<ul>\n<li>\u67e5\u770b\u7cfb\u7edf\u7684FD_SETSIZE\u503c\u547d\u4ee4<\/li>\n<\/ul>\n<pre><code class=\"java\">adb shell ulimit -n\n<\/code><\/pre>\n<ul>\n<li>\u4e00\u822c\u7cfb\u7edf\u7684FD_SETSIZE\u503c\u4e3a1024<\/li>\n<li>\u6b63\u5e38\u60c5\u51b5\u4e0b, \u7a0b\u5e8f\u7684fd\u8d44\u6e90\u662f\u8fd9\u6837\u5b50\u7684<\/li>\n<\/ul>\n<pre><code class=\"java\">total 0\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 0 -&gt; \/dev\/null\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 1 -&gt; \/dev\/null\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 10 -&gt; \/system\/framework\/core-oj.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 11 -&gt; \/system\/framework\/core-libart.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 12 -&gt; \/system\/framework\/conscrypt.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 13 -&gt; \/system\/framework\/okhttp.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 14 -&gt; \/system\/framework\/core-junit.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 15 -&gt; \/system\/framework\/bouncycastle.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 16 -&gt; \/system\/framework\/ext.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 17 -&gt; \/system\/framework\/framework.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 18 -&gt; \/system\/framework\/telephony-common.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 19 -&gt; \/system\/framework\/voip-common.jar\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 2 -&gt; \/dev\/null\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 20 -&gt; \/system\/framework\/ims-common.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 21 -&gt; \/system\/framework\/apache-xml.jar\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 22 -&gt; \/system\/framework\/org.apache.http.legacy.boot.jar\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 23 -&gt; socket:[38040239]\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 24 -&gt; \/system\/framework\/framework-res.apk\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 25 -&gt; \/dev\/urandom\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 26 -&gt; socket:[38041527]\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 27 -&gt; pipe:[38041528]\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 28 -&gt; pipe:[38041528]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 29 -&gt; anon_inode:[eventfd]\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 3 -&gt; \/dev\/cpuctl\/tasks\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 30 -&gt; anon_inode:[eventpoll]\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 31 -&gt; \/data\/app\/com.tuodi.workstation-1\/base.apk\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 32 -&gt; socket:[38040244]\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 33 -&gt; \/dev\/pmsg0\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 34 -&gt; \/storage\/emulated\/0\/BasicEducation.db\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 35 -&gt; anon_inode:[eventfd]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 36 -&gt; anon_inode:[eventpoll]\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 37 -&gt; \/data\/data\/com.tuodi.workstation\/app_bugly\/sys_log_1631932418354.txt\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 38 -&gt; \/data\/data\/com.tuodi.workstation\/app_bugly\/jni_log_1631932418354.txt\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 39 -&gt; anon_inode:inotify\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 4 -&gt; \/dev\/cpuctl\/bg_non_interactive\/tasks\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 40 -&gt; \/data\/data\/com.tuodi.workstation\/databases\/bugly_db_\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 41 -&gt; \/dev\/ttyS1  \/\/\u5b89\u5353\u5f00\u53d1\u677f\u4e32\u53e3\u5730\u5740\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 42 -&gt; \/dev\/ttyS2  \/\/\u5b89\u5353\u5f00\u53d1\u677f\u4e32\u53e3\u5730\u5740\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 43 -&gt; \/dev\/ashmem\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 44 -&gt; \/dev\/ashmem\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 45 -&gt; \/dev\/ashmem\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 46 -&gt; socket:[38041880]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 48 -&gt; anon_inode:[eventfd]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 49 -&gt; socket:[38042893]\nl-wx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 5 -&gt; \/sys\/kernel\/debug\/tracing\/trace_marker\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 50 -&gt; socket:[38042895]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 51 -&gt; anon_inode:[eventpoll]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 53 -&gt; \/dev\/mali0\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 54 -&gt; socket:[38040349]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 55 -&gt; socket:[38041863]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 56 -&gt; \/dev\/dri\/renderD128\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 57 -&gt; anon_inode:dmabuf\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 58 -&gt; \/dev\/ashmem\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 59 -&gt; anon_inode:[eventfd]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 6 -&gt; \/dev\/null\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 60 -&gt; anon_inode:[eventfd]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 61 -&gt; anon_inode:[eventfd]\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 62 -&gt; anon_inode:malitl_10271_0x8c670ee0\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 63 -&gt; anon_inode:malitl_10271_0x8c653ed8\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 64 -&gt; anon_inode:malitl_10271_0x8bb90f28\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 67 -&gt; anon_inode:dmabuf\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 68 -&gt; \/dev\/ashmem\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 69 -&gt; anon_inode:dmabuf\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 7 -&gt; \/dev\/null\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 70 -&gt; \/dev\/ashmem\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 72 -&gt; anon_inode:dmabuf\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 73 -&gt; \/dev\/ashmem\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 74 -&gt; anon_inode:dmabuf\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 75 -&gt; \/dev\/ashmem\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 8 -&gt; \/dev\/null\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:06 9 -&gt; \/dev\/binder\n<\/code><\/pre>\n<pre><code class=\"java\">lrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 41 -&gt; \/dev\/ttyS1  \/\/\u5b89\u5353\u5f00\u53d1\u677f\u4e32\u53e3\u5730\u5740\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 10:33 42 -&gt; \/dev\/ttyS2  \/\/\u5b89\u5353\u5f00\u53d1\u677f\u4e32\u53e3\u5730\u5740\n<\/code><\/pre>\n<ul>\n<li>\u5176\u4e2d\u8fd9\u4e24\u4e2a\u53e5\u67c4\u88ab\u4e24\u4e2a\u4f7f\u7528\u4e32\u53e3\u786c\u4ef6\u5360\u7528<\/li>\n<li>\u7b80\u5316\u5355\u5143\u903b\u8f91, \u6a21\u62df\u5f00\u5173100\u6b21\u4e32\u53e3(\u6a21\u62df\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4)<\/li>\n<\/ul>\n<pre><code class=\"java\">total 0\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 0 -&gt; \/dev\/null\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 1 -&gt; \/dev\/null\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 10 -&gt; \/system\/framework\/core-oj.jar\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 100 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 101 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 102 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 103 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 104 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 105 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 106 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 107 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 108 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 109 -&gt; \/dev\/ttyS1\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 11 -&gt; \/system\/framework\/core-libart.jar\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 110 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 111 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 112 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 113 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 114 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 115 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 116 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 117 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 118 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 119 -&gt; \/dev\/ttyS1\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 12 -&gt; \/system\/framework\/conscrypt.jar\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 120 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 121 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 122 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 123 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 124 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 125 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 126 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 127 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 128 -&gt; \/dev\/ttyS1\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 129 -&gt; anon_inode:[eventfd]\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 13 -&gt; \/system\/framework\/okhttp.jar\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 130 -&gt; anon_inode:[eventpoll]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 131 -&gt; \/dev\/mali0\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 132 -&gt; socket:[38199762]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:42 133 -&gt; socket:[38200807]\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:40 134 -&gt; \/dev\/dri\/renderD128\nlr-x------ 1 u0_a86 u0_a86 64 2021-09-18 11:40 135 -&gt; anon_inode:dmabuf\nlrwx------ 1 u0_a86 u0_a86 64 2021-09-18 11:40 136 -&gt; 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