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Bug 1857841 - pt 10. Tighten an assertion r=glandium

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Differential Revision: https://phabricator.services.mozilla.com/D203573
This commit is contained in:
Paul Bone 2024-03-19 01:42:44 +00:00
parent a0f64f2204
commit d1cccd9945
1 changed files with 4 additions and 2 deletions
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6
memory/build/mozjemalloc.cpp
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@ -3973,8 +3973,10 @@ static inline void arena_dalloc(void* aPtr, size_t aOffset, arena_t* aArena) {
{
MaybeMutexAutoLock lock(arena->mLock);
arena_chunk_map_t* mapelm = &chunk->map[pageind];
MOZ_RELEASE_ASSERT((mapelm->bits & CHUNK_MAP_DECOMMITTED) == 0,
"Freeing in decommitted page.");
MOZ_RELEASE_ASSERT(
(mapelm->bits &
(CHUNK_MAP_FRESH_MADVISED_OR_DECOMMITTED | CHUNK_MAP_ZEROED)) == 0,
"Freeing in a page with bad bits.");
MOZ_RELEASE_ASSERT((mapelm->bits & CHUNK_MAP_ALLOCATED) != 0,
"Double-free?");
if ((mapelm->bits & CHUNK_MAP_LARGE) == 0) {