| commit | 2aeadc30de45a72648f271603203ab392b80f607 | |
| author | Andrea Arcangeli <aarcange@redhat.com> | |
| Wed, 22 Sep 2010 20:05:12 +0000 (22 13:05 -0700) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Thu, 23 Sep 2010 00:22:40 +0000 (22 17:22 -0700) | ||
| tree | f3368916a4b1efdfa205ae0891733995a456957f | treesnapshot (tar.gz zip) |
| parent | a247c3a97a0216b18a46243eda26081f1928ec37 | commitdiff |
mmap: call unlink_anon_vmas() in __split_vma() in case of error
If __split_vma fails because of an out of memory condition the
anon_vma_chain isn't teardown and freed potentially leading to rmap walks
accessing freed vma information plus there's a memleak.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If __split_vma fails because of an out of memory condition the
anon_vma_chain isn't teardown and freed potentially leading to rmap walks
accessing freed vma information plus there's a memleak.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| mm/mmap.c | diffblobblamehistory |