[PATCH] D100911: scudo: Make prepareTaggedChunk() and resizeTaggedChunk() generic.
Vitaly Buka via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 20 16:31:30 PDT 2021
vitalybuka added a reviewer: vitalybuka.
vitalybuka added inline comments.
================
Comment at: compiler-rt/lib/scudo/standalone/combined.h:1146
+ uptr UntaggedNewPtr = untagPointer(RoundNewPtr);
+ if (UntaggedNewPtr != BlockEnd)
+ storeTag(UntaggedNewPtr);
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Why we don't tag entire unused tail? It may detect UseAfterFree.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D100911/new/
https://reviews.llvm.org/D100911
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