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Fix crash in DAC enum memory code that brings down createdump #104939

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Merged
merged 2 commits into from
Jul 16, 2024
Merged

Fix crash in DAC enum memory code that brings down createdump #104939

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dae6b02
Fix crash in createdump in DAC enum memory code
mikem8361 Jul 16, 2024
291f011
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mikem8361 Jul 16, 2024
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17 changes: 10 additions & 7 deletions src/coreclr/vm/excep.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7953,14 +7953,17 @@ BOOL ExceptionTypeOverridesStackTraceGetter(PTR_MethodTable pMT)
// find the slot corresponding to get_StackTrace
for (DWORD slot = g_pObjectClass->GetNumVirtuals(); slot < g_pExceptionClass->GetNumVirtuals(); slot++)
{
MethodDesc *pMD = g_pExceptionClass->GetMethodDescForSlot(slot);
LPCUTF8 name = pMD->GetName();

if (name != NULL && strcmp(name, "get_StackTrace") == 0)
MethodDesc *pMD = g_pExceptionClass->GetMethodDescForSlot_NoThrow(slot);
if (pMD != nullptr)
{
// see if the slot is overridden by pMT
MethodDesc *pDerivedMD = pMT->GetMethodDescForSlot(slot);
return (pDerivedMD != pMD);
LPCUTF8 name = pMD->GetName();

if (name != NULL && strcmp(name, "get_StackTrace") == 0)
{
// see if the slot is overridden by pMT
MethodDesc *pDerivedMD = pMT->GetMethodDescForSlot_NoThrow(slot);
return (pDerivedMD != pMD);
}
}
}

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