linux上的Qt应用程序如何崩溃并且堆栈中没有我的代码（只有QT代码和std库）？

Question

我的客户在Linux上运行C ++ / Qt应用程序，而我使用的是Google的Breakpad进行崩溃报告。 在很多情况下，我会收到这样的堆栈跟踪，该跟踪在堆栈中仅包含QT代码（我的代码均无）。 怎么会这样？

Operating system: Linux
                  0.0.0 Linux 3.16.0-0.bpo.4-586 #1 Debian 3.16.7-ckt9-3~deb8u1~bpo70+1 (2015-04-27) i686
CPU: x86
     AuthenticAMD family 16 model 5 stepping 3
     1 CPU

Crash reason:  SIGABRT
Crash address: 0x939
Process uptime: not available
    Thread 11 (crashed)
     0  libc-2.13.so + 0x2a387
        eip = 0xb4940387   esp = 0xaf980008   ebp = 0xaf980010   ebx = 0x00000939
        esi = 0xb4b3cba2   edi = 0xb4a60ff4   eax = 0x00000000   ecx = 0x00000a1b
        edx = 0x00000006   efl = 0x00000206
        Found by: given as instruction pointer in context
     1  libc-2.13.so + 0x2d772
        eip = 0xb4943772   esp = 0xaf980018   ebp = 0xaf980138
        Found by: previous frame's frame pointer
     2  libstdc++.so.6.0.17 + 0x5128d
        eip = 0xb4ad328d   esp = 0xaf980140   ebp = 0xa0cf07b8
        Found by: previous frame's frame pointer
     3  libc-2.13.so + 0x14b560
        eip = 0xb4a61560   esp = 0xaf980148   ebp = 0xa0cf07b8
        Found by: stack scanning
     4  libc-2.13.so + 0x14b560
        eip = 0xb4a61560   esp = 0xaf980150   ebp = 0xa0cf07b8
        Found by: stack scanning
     5  ld-2.13.so + 0x1cff4
        eip = 0xb7734ff4   esp = 0xaf98015c   ebp = 0xa0cf07b8
        Found by: stack scanning
     6  ld-2.13.so + 0xdc16
        eip = 0xb7725c16   esp = 0xaf98016c   ebp = 0xaf9801a0
        Found by: stack scanning
     7  ld-2.13.so + 0x139c0
        eip = 0xb772b9c0   esp = 0xaf9801a8   ebp = 0xb4ad3140
        Found by: previous frame's frame pointer
     8  libstdc++.so.6.0.17 + 0x4ef10
        eip = 0xb4ad0f10   esp = 0xaf9801b0   ebp = 0xb4ad3140
        Found by: stack scanning
     9  libstdc++.so.6.0.17 + 0x4ef16
        eip = 0xb4ad0f16   esp = 0xaf9801b8   ebp = 0xb4ad3140
        Found by: stack scanning
    10  libstdc++.so.6.0.17 + 0xe3ff4
        eip = 0xb4b65ff4   esp = 0xaf9801bc   ebp = 0xb4ad3140
        Found by: stack scanning
    11  libstdc++.so.6.0.17 + 0x4f225
        eip = 0xb4ad1225   esp = 0xaf9801c0   ebp = 0xb4ad3140
        Found by: stack scanning
    12  libQtCore.so.4.8.6 + 0x196f05
        eip = 0xb4d1ef05   esp = 0xaf9801cc   ebp = 0xb4ad3140
        Found by: stack scanning
    13  libstdc++.so.6.0.17 + 0x4f1d8
        eip = 0xb4ad11d8   esp = 0xaf9801d0   ebp = 0xb4ad3140
        Found by: stack scanning
    14  libQtCore.so.4.8.6 + 0x2f0ff4
        eip = 0xb4e78ff4   esp = 0xaf9801d4   ebp = 0xb4ad3140
        Found by: stack scanning
    15  libQtCore.so.4.8.6 + 0x183417
        eip = 0xb4d0b417   esp = 0xaf9801e0   ebp = 0xb4ad3140
        Found by: stack scanning
    16  libQtCore.so.4.8.6 + 0x2f0ff4
        eip = 0xb4e78ff4   esp = 0xaf980220   ebp = 0xb4ad3140
        Found by: stack scanning
    17  libQtCore.so.4.8.6 + 0x6b07c
        eip = 0xb4bf307c   esp = 0xaf980230   ebp = 0xaf980258
        Found by: stack scanning
    18  0xdb78310
        eip = 0x0db78310   esp = 0xaf980260   ebp = 0xb4e782c8
        Found by: previous frame's frame pointer
    19  ld-2.13.so + 0x11066
        eip = 0xb7729066   esp = 0xaf980268   ebp = 0xb4e782c8
        Found by: stack scanning
    20  ld-2.13.so + 0x10d5e
        eip = 0xb7728d5e   esp = 0xaf98026c   ebp = 0xb4e782c8
        Found by: stack scanning
    21  libQtCore.so.4.8.6 + 0x2f0ff4
        eip = 0xb4e78ff4   esp = 0xaf980270   ebp = 0xb4e782c8
        Found by: stack scanning
    22  libQtCore.so.4.8.6 + 0x6b1db
        eip = 0xb4bf31db   esp = 0xaf980280   ebp = 0xb4e782c8
        Found by: stack scanning
    23  libQtCore.so.4.8.6 + 0x2ef890
        eip = 0xb4e77890   esp = 0xaf980288   ebp = 0xb4e782c8
        Found by: stack scanning
    24  libQtCore.so.4.8.6 + 0x2f0ff4
        eip = 0xb4e78ff4   esp = 0xaf98029c   ebp = 0xaf9802c8
        Found by: stack scanning
    25  libpthread-2.13.so + 0x584c
        eip = 0xb4b7384c   esp = 0xaf9802d0   ebp = 0x08181ee0
        Found by: previous frame's frame pointer
    26  libc-2.13.so + 0xa730
        eip = 0xb4920730   esp = 0xaf9802d4   ebp = 0x08181ee0
        Found by: stack scanning
    27  libpthread-2.13.so + 0x15ff4
        eip = 0xb4b83ff4   esp = 0xaf9802d8   ebp = 0x08181ee0
        Found by: stack scanning
    28  libQtCore.so.4.8.6 + 0x6e3b9
        eip = 0xb4bf63b9   esp = 0xaf9802dc   ebp = 0x08181ee0
        Found by: stack scanning
    29  libpthread-2.13.so + 0x15ff4
        eip = 0xb4b83ff4   esp = 0xaf9802e0   ebp = 0x08181ee0
        Found by: stack scanning
    30  libpthread-2.13.so + 0x5954
        eip = 0xb4b73954   esp = 0xaf9802f0   ebp = 0xaf9803e8
        Found by: stack scanning
    31  libc-2.13.so + 0xd5c8e
        eip = 0xb49ebc8e   esp = 0xaf9803f0   ebp = 0x00000000
        Found by: previous frame's frame pointer

Answer 1

“ Linux上的Qt应用程序如何崩溃...”

例如，由于代码中的内存错误。 请记住，由内存错误引起的未定义行为就意味着这一点。 这并不意味着“它会尽快崩溃”。 它可能在昨天，明天或一年后崩溃。