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[DevMSAN] Support device memory sanitizer for DG2 GPU device #2554

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[DevMSAN] Support device memory sanitizer for DG2 GPU device #2554

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d2aebaa
[DevMSAN] Support device memory sanitizer for DG2 GPU device
zhaomaosu Jan 14, 2025
94db8fb
Merge branch 'sycl' into msan-support-dg2
zhaomaosu Jan 23, 2025
e7a95ab
Fix dg2 shadow
zhaomaosu Jan 23, 2025
e18f01d
Merge branch 'sycl' into msan-support-dg2
zhaomaosu Jan 24, 2025
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2 changes: 1 addition & 1 deletion source/loader/layers/sanitizer/msan/msan_shadow.cpp
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Expand Up @@ -142,7 +142,7 @@ ur_result_t MsanShadowMemoryGPU::Setup() {
// To reserve very large amount of GPU virtual memroy, the pStart param should be beyond
// the SVM range, so that GFX driver will automatically switch to reservation on the GPU
// heap.
const void *StartAddress = (void *)(0x100'0000'0000'0000ULL);
const void *StartAddress = (void *)GetStartAddress();
// TODO: Protect Bad Zone
auto Result = getContext()->urDdiTable.VirtualMem.pfnReserve(
Context, StartAddress, ShadowSize, (void **)&ShadowBegin);
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4 changes: 4 additions & 0 deletions source/loader/layers/sanitizer/msan/msan_shadow.hpp
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Expand Up @@ -102,6 +102,8 @@ struct MsanShadowMemoryGPU : public MsanShadowMemory {

virtual size_t GetShadowSize() = 0;

virtual uptr GetStartAddress() { return 0; }

private:
ur_result_t EnqueueMapShadow(ur_queue_handle_t Queue, uptr Ptr, uptr Size,
std::vector<ur_event_handle_t> &EventWaitList,
Expand Down Expand Up @@ -133,6 +135,8 @@ struct MsanShadowMemoryPVC final : public MsanShadowMemoryGPU {
uptr MemToShadow(uptr Ptr) override;

size_t GetShadowSize() override { return 0x8000'0000'0000ULL; }

uptr GetStartAddress() override { return 0x100'0000'0000'0000ULL; }
};

/// Shadow Memory layout of GPU DG2 device
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