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authorAndreas Kling <kling@serenityos.org>2021-09-11 16:58:23 +0200
committerAndreas Kling <kling@serenityos.org>2021-09-11 17:00:07 +0200
commitca940d72402f5edcb089d64502811ed8cb64c2bc (patch)
tree19827452778004ab32bd7447d7921e593463ad57 /Userland/Libraries/LibJS
parentc364520c2402b4b395f4e43fcfe3d4af4d546810 (diff)
downloadserenity-ca940d72402f5edcb089d64502811ed8cb64c2bc.zip
LibJS: Fix ASAN poisoning range in new HeapBlocks
When poisoning HeapBlock::m_storage, we have to compute the storage size by excluding the HeapBlock header.
Diffstat (limited to 'Userland/Libraries/LibJS')
-rw-r--r--Userland/Libraries/LibJS/Heap/HeapBlock.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Userland/Libraries/LibJS/Heap/HeapBlock.cpp b/Userland/Libraries/LibJS/Heap/HeapBlock.cpp
index 000cac593d..fd997857d2 100644
--- a/Userland/Libraries/LibJS/Heap/HeapBlock.cpp
+++ b/Userland/Libraries/LibJS/Heap/HeapBlock.cpp
@@ -36,7 +36,7 @@ HeapBlock::HeapBlock(Heap& heap, size_t cell_size)
, m_cell_size(cell_size)
{
VERIFY(cell_size >= sizeof(FreelistEntry));
- ASAN_POISON_MEMORY_REGION(m_storage, block_size);
+ ASAN_POISON_MEMORY_REGION(m_storage, block_size - sizeof(HeapBlock));
}
void HeapBlock::deallocate(Cell* cell)