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| author | Dominic Chen <d.c.ddcc@gmail.com> | 2020-11-25 02:53:16 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2020-11-29 01:07:05 -0500 |
| commit | 5d464f524ba5447e2a8fc77560b98c1ad9a83570 (patch) | |
| tree | 41e35b35dd9f665c329729611c4c6d04193e8f94 | |
| parent | d046ec92c1e5a487a8f9d584ebb79c3bc97ea95f (diff) | |
| download | musl-5d464f524ba5447e2a8fc77560b98c1ad9a83570.tar.gz musl-5d464f524ba5447e2a8fc77560b98c1ad9a83570.tar.xz musl-5d464f524ba5447e2a8fc77560b98c1ad9a83570.zip | |
fix mallocng regression in malloc_usable_size with null argument
commit d1507646975cbf6c3e511ba07b193f27f032d108 added support for null argument in oldmalloc and was overlooked when switching to mallocng.
| -rw-r--r-- | src/malloc/mallocng/malloc_usable_size.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/malloc/mallocng/malloc_usable_size.c b/src/malloc/mallocng/malloc_usable_size.c index a440a4ea..ce6a960c 100644 --- a/src/malloc/mallocng/malloc_usable_size.c +++ b/src/malloc/mallocng/malloc_usable_size.c @@ -3,6 +3,7 @@ size_t malloc_usable_size(void *p) { + if (!p) return 0; struct meta *g = get_meta(p); int idx = get_slot_index(p); size_t stride = get_stride(g); |