0:007> !analyze -v FAULTING_IP:
ntdll!RtlFreeHeap+44e
7c949f07 8b11 mov edx,dword ptr [ecx]
EXCEPTION_RECORD: ffffffff -- (.exr 0xffffffffffffffff)
ExceptionAddress: 7c949f07 (ntdll!RtlFreeHeap+0x0000044e)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 00000000
Parameter[1]: 00000064
Attempt to read from address 00000064
PROCESS_NAME: iexplore.exe
ERROR_CODE: (NTSTATUS) 0xc0000005 - "0x%08lx"
EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - "0x%08lx"
EXCEPTION_PARAMETER1: 00000000
EXCEPTION_PARAMETER2: 00000064
READ_ADDRESS: 00000064
FOLLOWUP_IP:
ntdll!RtlFreeHeap+44e
7c949f07 8b11 mov edx,dword ptr [ecx]
ADDITIONAL_DEBUG_TEXT: Enable Pageheap/AutoVerifer
FAULTING_THREAD: 000001ec
BUGCHECK_STR: APPLICATION_FAULT_HEAP_CORRUPTION_NULL_CLASS_PTR_DEREFERENCE_INVALID_POINTER_WRITE_INVALID_POINTER_READ
PRIMARY_PROBLEM_CLASS: HEAP_CORRUPTION_INVALID_POINTER_WRITE
DEFAULT_BUCKET_ID: HEAP_CORRUPTION_INVALID_POINTER_WRITE
LAST_CONTROL_TRANSFER: from 769acfdc to 7c949f07
STACK_TEXT:
019adb84 769acfdc 00150000 00000000 0c84ae30 ntdll!RtlFreeHeap+0x44e
019adb98 770f4af8 76ab7034 0c84ae30 0017d8e0 ole32!CRetailMalloc_Free+0x1c
019adbb8 770f4abb 0c84ae30 00000010 00000008 oleaut32!APP_DATA::FreeCachedMem+0xa0
019adbd4 770f4b13 0c84ae34 0a462ce0 80004005 oleaut32!SysFreeString+0x6b
019adbe8 3eec8978 0a462ce0 009aeda8 00000001 oleaut32!VariantClear+0xbb
019adbfc 3e365697 0a462ce0 00000001 3e364b84 ieframe!Detour_VariantClear+0x2f
019adce0 77d18734 002d0504 00000a75 0000235a jscript!VAR::Clear+0x91
019add0c 77d18816 3db5525a 002d0504 00000113 user32!InternalCallWinProc+0x28
019add74 77d189cd 00000000 3db5525a 002d0504 user32!UserCallWinProcCheckWow+0x150
019addd4 77d18a10 019ade08 00000000 019afeec user32!DispatchMessageWorker+0x306
019adde4 3edcc2c5 019ade08 00000000 009a8b48 user32!DispatchMessageW+0xf
019afeec 3ed7330f 0020dfc8 001d9968 00151f80 ieframe!CTabWindow::_TabWindowThreadProc+0x54c
019affa4 3ec18061 009a8b48 00000020 019affec ieframe!LCIETab_ThreadProc+0x2c1
019affb4 7c80b729 00151f80 001d9968 00000020 iertutil!CIsoScope::RegisterThread+0xab
019affec 00000000 3ec18053 00151f80 00000000 kernel32!BaseThreadStart+0x37
SYMBOL_NAME: heap_corruption!heap_corruption
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: heap_corruption
IMAGE_NAME: heap_corruption
DEBUG_FLR_IMAGE_TIMESTAMP: 0
STACK_COMMAND: .cxr 00000000 ; kb ; ~7s; .ecxr ; kb
FAILURE_BUCKET_ID: HEAP_CORRUPTION_INVALID_POINTER_WRITE_c0000005_heap_corruption!heap_corruption
BUCKET_ID: APPLICATION_FAULT_HEAP_CORRUPTION_NULL_CLASS_PTR_DEREFERENCE_INVALID_POINTER_WRITE_INVALID_POINTER_READ_heap_corruption!heap_corruption
WATSON_IBUCKET: -1992496523
WATSON_IBUCKETTABLE: 1
WATSON_STAGEONE_URL: http://watson.microsoft.com/StageOne/iexplore_exe/8_0_6001_18702/49b3ad2e/ntdll_dll/5_1_2600_6055/4d00f280/c0000005/00029f07.htm?Retriage=1
Followup: MachineOwner
0:007> k
ChildEBP RetAddr
019ac964 7c92d18a ntdll!KiFastSystemCallRet
019ac968 7c8094e5 ntdll!NtCreateSection+0xc
019ac9f4 7c92cffa kernel32!CreateFileMappingW+0x10b
019aca14 68d8de20 ntdll!ZwClose+0xc
019acb48 012b0000 dbghelp!Win32LiveSystemProvider::OpenMapping+0x228
WARNING: Frame IP not in any known module. Following frames may be wrong.
019acbac 7c957302 0x12b0000
019acbf0 7c957585 ntdll!RtlpLowFragHeapFree+0xa7
019acc30 7c956fa1 ntdll!RtlpSubSegmentInitialize+0x126
019acd08 7c9301db ntdll!RtlpLowFragHeapAlloc+0x8fa
7c956d80 90909090 ntdll!RtlAllocateHeap+0xeac
7c956d90 ffffffff 0x90909090
7c970768 65d6e9ff 0xffffffff
7c97076c 7980fffe 0x65d6e9ff
7c970770 1775ff07 0x7980fffe
7c970774 eec1f18b 0x1775ff07
7c970778 33198b03 0xeec1f18b
7c97077c 33f033f3 0x33198b03
7c970780 99e0e435 0x33f033f3
7c970784 76b70f7c 0x99e0e435
7c970788 0f03eb10 0x76b70f7c
0:007> k 100
ChildEBP RetAddr
019ac964 7c92d18a ntdll!KiFastSystemCallRet
019ac968 7c8094e5 ntdll!NtCreateSection+0xc
019ac9f4 7c92cffa kernel32!CreateFileMappingW+0x10b
019aca14 68d8de20 ntdll!ZwClose+0xc
019acb48 012b0000 dbghelp!Win32LiveSystemProvider::OpenMapping+0x228
WARNING: Frame IP not in any known module. Following frames may be wrong.
019acbac 7c957302 0x12b0000
019acbf0 7c957585 ntdll!RtlpLowFragHeapFree+0xa7
019acc30 7c956fa1 ntdll!RtlpSubSegmentInitialize+0x126
019acd08 7c9301db ntdll!RtlpLowFragHeapAlloc+0x8fa
7c956d80 90909090 ntdll!RtlAllocateHeap+0xeac
7c956d90 ffffffff 0x90909090
7c970768 65d6e9ff 0xffffffff
7c97076c 7980fffe 0x65d6e9ff
7c970770 1775ff07 0x7980fffe