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(parent: 9f87832) | patch
xfs: Fix possible use-after-free with AIO
authorJan Kara <jack@suse.cz>
Wed, 23 Jan 2013 12:56:18 +0000 (13:56 +0100)
committerBen Myers <bpm@sgi.com>
Mon, 28 Jan 2013 18:51:22 +0000 (12:51 -0600)
commit4b05d09c18d9aa62d2e7fb4b057f54e5a38963f5
tree7fd54bd1852d5cd98d2db3ed5e94ba71f6f36760tree | snapshot (tar.gz zip)
parent9f87832a82923943aaab38b8d53658af134bbfa4commit | diff
xfs: Fix possible use-after-free with AIO

Running AIO is pinning inode in memory using file reference. Once AIO
is completed using aio_complete(), file reference is put and inode can
be freed from memory. So we have to be sure that calling aio_complete()
is the last thing we do with the inode.

CC: xfs@oss.sgi.com
CC: Ben Myers <bpm@sgi.com>
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
fs/xfs/xfs_aops.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)