系统：windows xp sp3
崩溃的exe：insight3_en.exe
版本：3.50.0064
崩溃时的信息：
The stored exception information can be accessed via .ecxr.(5404.5050): Access violation – code c0000005 (first/second chance not available)eax=00000000 ebx=00000000 ecx=7c930323 edx=00000100 esi=00440b6b edi=0006f324eip=004eb2a8 esp=0006f0f4 ebp=0006f0f4 iopl=0nv up ei pl nz na pe nccs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000efl=00000206*** ERROR: Module load completed but symbols could not be loaded for Insight3_en.exeInsight3_en+0xeb2a8:004eb2a8 8b00moveax,dword ptr [eax] ds:0023:00000000=????????堆栈：
0:000> kbChildEBP RetAddr Args to ChildWARNING: Stack unwind information not available. Following frames may be wrong.0006f0f4 0044497a 00000000 0000000c 0006f17c Insight3_en+0xeb2a80006f104 004438c0 77d4f980 000f084a 000a0acc Insight3_en+0x4497a0006f17c 00441160 000f084a 00000116 772011ff Insight3_en+0x438c0*** ERROR: Symbol file could not be found. Defaulted to export symbols for user32.dll – 0006f2bc 77d18734 000f084a 00000116 00010bcd Insight3_en+0x411600006f2e8 77d18816 00440b6b 000f084a 00000116 user32!GetDC+0x6d0006f350 77d28ea0 00000000 00440b6b 000f084a user32!GetDC+0x14f0006f3a4 77d28eec 0185a660 00000116 00010bcd user32!DefWindowProcW+0x1800006f3cc 7c92e473 0006f3dc 00000018 0185a660 user32!DefWindowProcW+0x1cc0006f444 77d2c228 000f084a 00000313 00000000 ntdll!KiUserCallbackDispatcher+0x130006f460 77d2c1d5 000f084a 00000313 00000000 user32!DefWindowProcA+0xaa0006f4a8 77d3e56d 000f084a 00000313 00000000 user32!DefWindowProcA+0x570006f4c0 77d308e6 0185a660 00000313 00000000 user32!EnumClipboardFormats+0x300006f528 77d4f980 000f084a 000a0acc 00000313 user32!DefFrameProcW+0xb30006f548 0042e3dc 000f084a 000a0acc 00000313 user32!DefFrameProcA+0x1b0006f574 0044135d 000f084a 000a0acc 00000313 Insight3_en+0x2e3dc0006f6c4 77d18734 000f084a 00000313 00000000 Insight3_en+0x4135d0006f6f0 77d18816 00440b6b 000f084a 00000313 user32!GetDC+0x6d0006f758 77d28ea0 00000000 00440b6b 000f084a user32!GetDC+0x14f0006f7ac 77d28eec 0185a660 00000313 00000000 user32!DefWindowProcW+0x1800006f7d4 7c92e473 0006f7e4 00000018 0185a660 user32!DefWindowProcW+0x1cc看一下004eb2a8的汇编：
.text:004EB29B sub_4EB29Bproc near; CODE XREF: sub_44485A+11Bp.text:004EB29B; sub_4E7724+1Dp ….text:004EB29B.text:004EB29B arg_0= dword ptr 8.text:004EB29B.text:004EB29Bpush ebp.text:004EB29Cmovebp, esp.text:004EB29Emoveax, [ebp+arg_0].text:004EB2A1moveax, dword_5C6B80[eax*4].text:004EB2A8moveax, [eax].text:004EB2AAmoveax, [eax+1Ch].text:004EB2ADshreax, 1.text:004EB2AFandeax, 1.text:004EB2B2negeax.text:004EB2B4sbbeax, eax.text:004EB2B6inceax.text:004EB2B7popebp.text:004EB2B8retn 4.text:004EB2B8 sub_4EB29Bendp看到dword_5C6B80这个全局变量非常眼熟，和
source insight coredump分析
里的一样的。
且这个全局变量的内容和index（即arg_0）如下：
0:000> dd 5C6B80 L 1005c6b80 000000000:000> dd ebp+8 L 10006f0fc 00000000这样定位过程就和
source insight coredump分析
完全一样了。
，经验是由痛苦中粹取出来的
