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R2RDump: Fix reversed code offsets in GcInfo interruptible ranges decoder #111792

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merged 1 commit into from
Jan 24, 2025

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tomeksowi
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Caused a crash on RISC-V during R2RDump --in System.Private.CoreLib.dll --disasm --gc

Part of #84834, cc @dotnet/samsung @VSadov

@dotnet-issue-labeler dotnet-issue-labeler bot added the area-R2RDump-coreclr Ready-to-run image dump tool label Jan 24, 2025
@dotnet-policy-service dotnet-policy-service bot added the community-contribution Indicates that the PR has been added by a community member label Jan 24, 2025
@tomeksowi tomeksowi changed the title Fix reversed code offsets in GcInfo interruptible ranges decoder R2RDump: Fix reversed code offsets in GcInfo interruptible ranges decoder Jan 24, 2025
@@ -381,8 +381,8 @@ private List<InterruptibleRange> EnumerateInterruptibleRanges(byte[] image, int
uint normRangeStartOffset = normLastinterruptibleRangeStopOffset + normStartDelta;
uint normRangeStopOffset = normRangeStartOffset + normStopDelta;

uint rangeStartOffset = _gcInfoTypes.DenormalizeCodeOffset(normRangeStopOffset);
uint rangeStopOffset = _gcInfoTypes.DenormalizeCodeOffset(normRangeStartOffset);
uint rangeStartOffset = _gcInfoTypes.DenormalizeCodeOffset(normRangeStartOffset);
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Looks like it was swapped in #110845. Possibly a copy/paste error.

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LGTM. Thanks!!

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VSadov commented Jan 24, 2025

/azp run runtime-nativeaot-outerloop

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@jkotas jkotas merged commit 6c73c19 into dotnet:main Jan 24, 2025
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grendello added a commit to grendello/runtime that referenced this pull request Jan 27, 2025
* main: (22 commits)
  Clean up Stopwatch a bit (dotnet#111834)
  JIT: Fix embedded broadcast simd size (dotnet#111638)
  Revert potential UB due to aliasing + more WB removals (dotnet#111733)
  re-enable acceleration of Vector512<long>.op_Multiply (dotnet#111832)
  Handle OSSL 3.4 change to SAN:othername formatting
  JIT: Fix stack allocated arrays for NativeAOT (dotnet#111827)
  JIT: enhance RBO inference for similar compares to constants (dotnet#111766)
  JIT: Don't run optSetBlockWeights when we have PGO data (dotnet#111764)
  [Android] Make sure RuntimeFlavor=CoreCLR when clr subset is specified (dotnet#111821)
  Change empty subject test certificate to include a critical SAN.
  Fix reversed code offsets in GcInfo (dotnet#111792)
  Swap some libraries areas between leads (dotnet#111816)
  Add left-handed spherical and cylindrical billboards (dotnet#109605)
  JIT: revise `optRelopImpliesRelop` to always set `reverseSense` (dotnet#111803)
  Fix Zip64ExtraField handling (dotnet#111802)
  Add build support for Android+CoreCLR (dotnet#110471)
  arm64: Add bic(s) compact encoding (dotnet#111452)
  JIT: Ensure `BBF_PROF_WEIGHT` flag is set when we have PGO data (dotnet#111780)
  Add support for AVX10.2, Add AVX10.2 API surface and template tests (dotnet#111209)
  JIT: Preliminary for enabling inlining late devirted calls (dotnet#111782)
  ...
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3 participants