tree a27a670f2cbe7d689588af24c6c9cda82690c7c2
parent db217dece3003df0841bacf9556b5c06aa097dae
author Rik van Riel <riel@redhat.com> 1270484013 -0400
committer Linus Torvalds <torvalds@linux-foundation.org> 1270484151 -0700

rmap: fix anon_vma_fork() memory leak

Fix a memory leak in anon_vma_fork(), where we fail to tear down the
anon_vmas attached to the new VMA in case setting up the new anon_vma
fails.

This bug also has the potential to leave behind anon_vma_chain structs
with pointers to invalid memory.

Reported-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>