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[scudo] Fix isOwned on MTE devices. #110717

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Oct 1, 2024
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[scudo] Fix isOwned on MTE devices. #110717

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2 changes: 2 additions & 0 deletions compiler-rt/lib/scudo/standalone/combined.h
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Original file line number Diff line number Diff line change
Expand Up @@ -785,6 +785,8 @@ class Allocator {
// A corrupted chunk will not be reported as owned, which is WAI.
bool isOwned(const void *Ptr) {
initThreadMaybe();
// If the allocation is not owned, the tags could be wrong.
ScopedDisableMemoryTagChecks x;
#ifdef GWP_ASAN_HOOKS
if (GuardedAlloc.pointerIsMine(Ptr))
return true;
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