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| author | Francois Goichon <fgoichon@google.com> | 2018-03-14 16:25:57 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@redhat.com> | 2018-03-14 16:25:57 -0400 |
| commit | bdc3009b8ff0effdbbfb05eb6b10966753cbf9b8 (patch) | |
| tree | 8b679dfecab99e1b57035687de5b190772107b39 /malloc | |
| parent | f9555d73121bd12f6fd50545868e6a33096b8164 (diff) | |
| download | glibc-bdc3009b8ff0effdbbfb05eb6b10966753cbf9b8.tar.gz glibc-bdc3009b8ff0effdbbfb05eb6b10966753cbf9b8.tar.xz glibc-bdc3009b8ff0effdbbfb05eb6b10966753cbf9b8.zip | |
malloc: harden removal from unsorted list
* malloc/malloc.c (_int_malloc): Added check before removing from unsorted list.
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index e229181c5e..9614954975 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -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); |