Android应用自杀之谜

12-12 04:46:29.041 29622 29622 I AEE_AED : pid: 29618, tid: 29618, name: dex2oat  >>> /system/bin/dex2oat <<<
12-12 04:46:29.041 29622 29622 I AEE_AED : signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
12-12 04:46:29.046 28604 28675 I CamAp_Storage: no Sd
12-12 04:46:29.046 29622 29622 I AEE_AED : Abort message: 'FORTIFY: read: prevented write past end of buffer'
12-12 04:46:29.046 28604 28675 I StorageManagerEx: current system default path = /storage/emulated/0
12-12 04:46:29.046 28604 28675 I CamAp_Storage: updatesMountPoint(),sMountPoint:/storage/emulated/0
12-12 04:46:29.046 29622 29622 I AEE_AED :     r0 00000000  r1 000073b2  r2 00000006  r3 00000008
12-12 04:46:29.046 28604 28675 I CamAp_Storage: getFileDirectory(),sMountPoint1:/storage/emulated/0
12-12 04:46:29.046 29622 29622 I AEE_AED :     r4 a865958c  r5 00000006  r6 a8659534  r7 0000010c
12-12 04:46:29.046 29622 29622 I AEE_AED :     r8 00000001  r9 004ee310  sl a78c2899  fp ffffffff
12-12 04:46:29.046 29622 29622 I AEE_AED :     ip 00000000  sp bebf3718  lr a78ba4d7  pc a78bcd34  cpsr 200e0010
12-12 04:46:29.070 29622 29622 I AEE_AED : 
12-12 04:46:29.070 29622 29622 I AEE_AED : backtrace:
12-12 04:46:29.071 29622 29622 I AEE_AED :     #00 pc 0004ad34  /system/lib/libc.so (tgkill+12)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #01 pc 000484d3  /system/lib/libc.so (pthread_kill+34)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #02 pc 0001d485  /system/lib/libc.so (raise+10)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #03 pc 00018fc1  /system/lib/libc.so (__libc_android_abort+34)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #04 pc 00017024  /system/lib/libc.so (abort+4)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #05 pc 0001b47f  /system/lib/libc.so (__libc_fatal+22)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #06 pc 0001b45f  /system/lib/libc.so (__fortify_chk_fail+26)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #07 pc 000508bd  /system/lib/libc.so (__read_chk+36)
12-12 04:46:29.071 29622 29622 I AEE_AED :     #08 pc 0003c923  <anonymous:a75f8000>
12-12 04:46:29.124  1131  1356 W NativeCrashListener: Couldn't find ProcessRecord for pid 29618
12-12 04:46:29.125 29622 29622 I AEE_AED : request.action: 0

12-12 04:46:29.125 29622 29622 V AEE_AED : dashboard_record_update() : rec->module = /system/bin/dex2oat 

 'FORTIFY: read: prevented write past end of buffer'

说明read  函数读入buffer 的字符长度超多了buffer 大小。

“少定义，动态分”方法曾经是一种比较常用的编程技巧，但这个技术确实与Fortify机制有了冲突。

D_FORTIFY_SOURCE

http://www.kuqin.com/shuoit/20150914/348038.html