HEAP and FarCry installer

wylda at volny.cz wylda at volny.cz
Sun Aug 29 02:51:36 CDT 2010

Hope i don't bother you much, but i guess you would tell me...

I still have a problem with FarCry installer. During that i found
HEAP issue - based on assumption, that message "Heap invalid in-use
arena magic 00eefeee" is unhealthy.

So program allocates 6fc bytes at 0x14c160 and free those bytes at
the end of the following list, but immediately tries to free another
heap at 14c188 which belongs to the freed area already, right?. Also
there is no trace, that the program allocates that 14c188 memory. Is
that bug or nothing unusual?

Longer log attached.

0009:Call ntdll.RtlAllocateHeap(00110000,00000000,000006fc)
0009:Ret  ntdll.RtlAllocateHeap() retval=0014c160 ret=7dfef944
0009:Call version.GetFileVersionInfoW(00157a88 L"C:\\Program
Files\\Common Files\\InstallShield\\Driver\\9\\Intel
32\\IDriver.exe",00000000,000006fc,0014c160) ret=7dff45c1


0009:Ret  version.GetFileVersionInfoW() retval=00000001 ret=7dff45c1
0009:Call version.VerQueryValueW(0014c160,7e078b84
L"\\",0034beec,0034bee4) ret=7dff45e7
0009:Ret  version.VerQueryValueW() retval=00000001 ret=7dff45e7
0009:Call ntdll.RtlFreeHeap(00110000,00000000,0014c160) ret=7dfefa1e
0009:Ret  ntdll.RtlFreeHeap() retval=00000001 ret=7dfefa1e
0009:Call ntdll.RtlFreeHeap(00110000,00000000,0014c188) ret=7dfefa1e
warn:heap:HEAP_ValidateInUseArena Heap 0x110000: invalid in-use
arena magic 00eefeee for 0x14c180
0009:Ret  ntdll.RtlFreeHeap() retval=00000000 ret=7dfefa1e

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