JIT: fix out of bounds read during SPMI collection #77147
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When recording the profile data into the method context, SPMI was assuming all data items were `sizeof(uintptr_t)` which is not guaranteed. Use the proper size. Fixes dotnet#76991.
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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch Issue DetailsWhen recording the profile data into the method context, SPMI was assuming all data items were Fixes #76991.
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@jakobbotsch PTAL See #76991 for analysis of the issue. |
BruceForstall
approved these changes
Oct 18, 2022
| case ICorJitInfo::PgoInstrumentationKind::MethodHandle: | ||
| return sizeof(uintptr_t); | ||
| default: | ||
| LogError("Unexpedted pgo schema data size (kind = %d)", kind); |
jakobbotsch
approved these changes
Oct 18, 2022
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Windows x64 NAOT looks like #76801 |
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When recording the profile data into the method context, SPMI was assuming all data items were
sizeof(uintptr_t)which is not guaranteed. Use the proper size.Fixes #76991.