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-rw-r--r--compiler-rt/lib/sanitizer_common/sanitizer_allocator.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h b/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h
index 75fabaa84f3..5783c203da8 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h
@@ -769,6 +769,9 @@ class SizeClassAllocator32 {
}
bool PointerIsMine(const void *p) {
+ uptr mem = reinterpret_cast<uptr>(p);
+ if (mem < kSpaceBeg || mem >= kSpaceBeg + kSpaceSize)
+ return false;
return GetSizeClass(p) != 0;
}
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