malloc: harden removal from unsorted list
Commit Message
* malloc/malloc.c (_int_malloc): Added check before removing from
unsorted list.
---
malloc/malloc.c | 2 ++
1 file changed, 2 insertions(+)
Comments
Gentle ping - is anything required on my end here (e.g. pull request)?
@@ -3775,6 +3775,8 @@ _int_malloc (mstate av, size_t bytes)
}
/* remove from unsorted list */
+ if (__glibc_unlikely (bck->fd != victim))
+ malloc_printerr ("malloc(): corrupted unsorted chunks 3");
unsorted_chunks (av)->bk = bck;
bck->fd = unsorted_chunks (av);