[release/8.0] dumpwriterelf: increase buffer to fit a RHEL8 arm64 page. #91953
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This fixes out-of-bounds access when trying to write the diagnostics info on platforms where the PAGE_SIZE is larger than the DumpWriter's 16KiB m_tempBuffer.
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Tagging subscribers to this area: @tommcdon Issue DetailsBackport of #91865 to release/8.0 /cc @mikem8361 @tmds Customer ImpactTestingRiskIMPORTANT: If this backport is for a servicing release, please verify that:
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@jeffschwMSFT can you approve? Thanks. |
jeffschwMSFT
approved these changes
Sep 12, 2023
hoyosjs
approved these changes
Sep 12, 2023
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Backport of #91865 to release/8.0
/cc @mikem8361 @tmds
Customer Impact
Dump generation segfaults on architecture with 64K pages (RHEL arm64, macOS M1, etc).
Issue: #91864
Testing
Local testing by @tmds
Risk
Very low. Only affects runtime dump generation.
IMPORTANT: If this backport is for a servicing release, please verify that:
The PR target branch is
release/X.0-staging, notrelease/X.0.If the change touches code that ships in a NuGet package, you have added the necessary package authoring and gotten it explicitly reviewed.