diff options
Diffstat (limited to 'malloc/arena.c')
| -rw-r--r-- | malloc/arena.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/malloc/arena.c b/malloc/arena.c index 2466697d1a..21ecc5a137 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -699,7 +699,7 @@ heap_trim (heap_info *heap, size_t pad) by preserving the top pad and at least a page. */ top_size = chunksize (top_chunk); top_area = top_size - MINSIZE - 1; - if (top_area <= pad) + if (top_area < 0 || (size_t) top_area <= pad) return 0; extra = ALIGN_DOWN(top_area - pad, pagesz); |