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| author | Andrea Arcangeli <aarcange@redhat.com> | 2010-09-22 22:05:12 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-23 02:22:40 +0200 |
| commit | 2aeadc30de45a72648f271603203ab392b80f607 (patch) | |
| tree | f3368916a4b1efdfa205ae0891733995a456957f /mm/maccess.c | |
| parent | rmap: fix walk during fork (diff) | |
| download | linux-2aeadc30de45a72648f271603203ab392b80f607.tar.xz linux-2aeadc30de45a72648f271603203ab392b80f607.zip | |
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>
Diffstat (limited to 'mm/maccess.c')
0 files changed, 0 insertions, 0 deletions