diff options
Diffstat (limited to 'src/malloc/mallocng/meta.h')
| -rw-r--r-- | src/malloc/mallocng/meta.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/malloc/mallocng/meta.h b/src/malloc/mallocng/meta.h index 61ec53f9..3a27af64 100644 --- a/src/malloc/mallocng/meta.h +++ b/src/malloc/mallocng/meta.h @@ -129,12 +129,13 @@ static inline int get_slot_index(const unsigned char *p) static inline struct meta *get_meta(const unsigned char *p) { assert(!((uintptr_t)p & 15)); - int offset = *(const uint16_t *)(p - 2); + size_t offset = *(const uint16_t *)(p - 2); int index = get_slot_index(p); if (p[-4]) { assert(!offset); offset = *(uint32_t *)(p - 8); assert(offset > 0xffff); + assert(offset < PTRDIFF_MAX/UNIT); } const struct group *base = (const void *)(p - UNIT*offset - UNIT); const struct meta *meta = base->meta; |