Major Description
Exception happens when running dbghelp_apitest.exe pdb
Running Wine Test, Module: dbghelp, Test: pdb
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It breaks on
/* Check, if the resulting stack frame is valid */
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if ((EstablisherFrame < StackLow) ||
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(EstablisherFrame > StackHigh) ||
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(EstablisherFrame & 7))
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{
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/// TODO: Handle DPC stack
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__debugbreak(); // <= HERE
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RtlRaiseStatus(STATUS_BAD_STACK);
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}
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Backtrace:
kd> kp
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# Child-SP RetAddr Call Site
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00 00000000`0012e4f0 000007ff`b754de03 ntdll!RtplUnwindInternal(void * TargetFrame = 0x00000000`00000000, void * TargetIp = 0x00000000`00000000, struct _EXCEPTION_RECORD * ExceptionRecord = 0x00000000`0012efd0, void * ReturnValue = 0x00000000`00000000, struct _CONTEXT * ContextRecord = 0x00000000`0012eb00, struct _UNWIND_HISTORY_TABLE * HistoryTable = 0x00000000`00000000, unsigned long HandlerType = 1)+0x175 [E:\amd64\reactos\sdk\lib\rtl\amd64\unwind.c @ 749]
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01 00000000`0012eab0 000007ff`b751854a ntdll!RtlDispatchException(struct _EXCEPTION_RECORD * ExceptionRecord = 0x00000000`0012efd0, struct _CONTEXT * ContextRecord = 0x00000000`0012eb00)+0x63 [E:\amd64\reactos\sdk\lib\rtl\amd64\except.c @ 129]
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02 00000000`0012eb00 000007ff`b750ed1e ntdll!KiUserExceptionDispatcher+0x6
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03 00000000`0012f0a4 10000000`00000000 ntdll!LdrpCallInitRoutine(<function> * EntryPoint = 0xb754d6d1`00000000, void * BaseAddress = 0x10000000`000007ff, unsigned long Reason = 0, void * Context = 0x00000000`00000000)+0x2e [E:\amd64\reactos\dll\ntdll\ldr\ldrutils.c @ 107]
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04 00000000`0012f0ac 00000001`00000000 0x10000000`00000000
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Which leads to
BOOLEAN
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NTAPI
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LdrpCallInitRoutine(IN PDLL_INIT_ROUTINE EntryPoint,
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IN PVOID BaseAddress,
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IN ULONG Reason,
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IN PVOID Context)
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{
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/* Call the entry */
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return EntryPoint(BaseAddress, Reason, Context);
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} <= HERE (on the ret)
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To do:
- Why and where exactly does it except?
- Why is the stack unaligned?