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(parent: db217de) | patch
rmap: fix anon_vma_fork() memory leak
authorRik van Riel <riel@redhat.com>
Mon, 5 Apr 2010 16:13:33 +0000 (12:13 -0400)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 5 Apr 2010 16:15:51 +0000 (09:15 -0700)
commit4946d54cb55e86a156216fcfeed5568514b0830f
treea27a670f2cbe7d689588af24c6c9cda82690c7c2tree | snapshot (tar.gz zip)
parentdb217dece3003df0841bacf9556b5c06aa097daecommit | diff
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>
mm/rmap.c diff | blob | blame | history