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本帖最后由 77341991 于 2015-8-29 23:58 编辑
LONG WINAPI UnhandledExceptionFilter(struct _EXCEPTION_POINTERS *pExceptionInfo) ps2自己的异常处理函数
0091CD90 /. 55 PUSH EBP
0091CD91 |. 8BEC MOV EBP,ESP
0091CD93 |. 833D 080CC502 00 CMP DWORD PTR DS:[2C50C08],0
0091CD9A |. 56 PUSH ESI
0091CD9B |. 74 7C JE SHORT PlanetSi.0091CE19
0091CD9D |. 8B75 08 MOV ESI,DWORD PTR SS:[EBP+8]
0091CDA0 |. 8B06 MOV EAX,DWORD PTR DS:[ESI]
0091CDA2 |. 8138 03000080 CMP DWORD PTR DS:[EAX],80000003
0091CDA8 |. 74 6F JE SHORT PlanetSi.0091CE19
0091CDAA |. E8 21FAFFFF CALL PlanetSi.0091C7D0
0091CDAF |. FF15 2464D302 CALL DWORD PTR DS:[2D36424] ; [GetCurrentThreadId
0091CDB5 |. 8B0D 080CC502 MOV ECX,DWORD PTR DS:[2C50C08]
0091CDBB |. 8941 30 MOV DWORD PTR DS:[ECX+30],EAX
0091CDBE |. 8B16 MOV EDX,DWORD PTR DS:[ESI]
0091CDC0 |. 813A FD0000C0 CMP DWORD PTR DS:[EDX],C00000FD 此处edx值为0xc0000005错误 就是内存分配大小不够越界 出现野指针 正常数据被覆盖 就是收到了异常消息 客户端没检查大小
0091CDC6 |. 75 43 JNZ SHORT PlanetSi.0091CE0B
0091CDC8 |. A1 080CC502 MOV EAX,DWORD PTR DS:[2C50C08]
0091CDCD |. 8B48 28 MOV ECX,DWORD PTR DS:[EAX+28]
0091CDD0 |. 51 PUSH ECX ; /hEvent
0091CDD1 |. FF15 2064D302 CALL DWORD PTR DS:[2D36420] ; \ResetEvent
0091CDD7 |. 8B15 080CC502 MOV EDX,DWORD PTR DS:[2C50C08]
0091CDDD |. 8B42 20 MOV EAX,DWORD PTR DS:[EDX+20]
0091CDE0 |. 56 PUSH ESI
0091CDE1 |. 50 PUSH EAX
0091CDE2 |. 68 10CD9100 PUSH PlanetSi.0091CD10
0091CDE7 |. FF15 1C64D302 CALL DWORD PTR DS:[2D3641C] ; kernel32.QueueUserAPC
0091CDED |. 8B0D 080CC502 MOV ECX,DWORD PTR DS:[2C50C08]
0091CDF3 |. 8B51 28 MOV EDX,DWORD PTR DS:[ECX+28]
0091CDF6 |. 6A FF PUSH -1 ; /Timeout = INFINITE
0091CDF8 |. 52 PUSH EDX ; |hObject
0091CDF9 |. FF15 F463D302 CALL DWORD PTR DS:[2D363F4] ; \WaitForSingleObject
0091CDFF |. E8 8CF9FFFF CALL PlanetSi.0091C790
0091CE04 |. 33C0 XOR EAX,EAX
0091CE06 |. 5E POP ESI
0091CE07 |. 5D POP EBP
0091CE08 |. C2 0400 RETN 4
0091CE0B |> 56 PUSH ESI ; /Arg1
0091CE0C |. E8 1FFDFFFF CALL PlanetSi.0091CB30 ; \PlanetSi.0091CB30
0091CE11 |. 83C4 04 ADD ESP,4
0091CE14 |. E8 77F9FFFF CALL PlanetSi.0091C790
0091CE19 |> 33C0 XOR EAX,EAX
0091CE1B |. 5E POP ESI
0091CE1C |. 5D POP EBP
0091CE1D \. C2 0400 RETN 4
这call 返回值为0 客户端没处理 直接就使用
01B11762 |. E8 49C7FFFF CALL PlanetSi.01B0DEB0 ; \PlanetSi.01B0DEB0
01B11767 |. 8B40 0C MOV EAX,DWORD PTR DS:[EAX+C]
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