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Defensive coding for handling unpexecteded DXIL debug data

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This commit is contained in:
Jake Turner
2025-07-21 14:43:20 +01:00
parent 08696443a0
commit fa1a7b35cd
1 changed files with 13 additions and 0 deletions
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renderdoc/driver/shaders/dxil/dxil_debug.cpp
+13
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@@ -8152,6 +8152,13 @@ void Debugger::ParseDebugData()
break;
}
}
if(memberIndex >= rows)
{
RDCERR("Invalid memberIndex for source variable %s SSAID %s",
mapping.sourceVarName.c_str(), mapping.debugVarSSAName.c_str());
memberIndex = 0;
byteOffset = 0;
}
childType = &m_DebugInfo.types[typeWalk->structMembers[memberIndex].second];
@@ -8472,6 +8479,12 @@ void Debugger::ParseDebugData()
while(typeWalk && typeWalk->baseType != NULL && typeWalk->type == VarType::Unknown)
typeWalk = &m_DebugInfo.types[typeWalk->baseType];
if(typeWalk == NULL || typeWalk->baseType == NULL)
{
RDCERR("Unexpected type source variable %s SSAID %s",
mapping.sourceVarName.c_str(), mapping.debugVarSSAName.c_str());
continue;
}
const TypeData &scalar = m_DebugInfo.types[typeWalk->baseType];
uint32_t elemCount = 1;