From: Jan Kara <jack@suse.cz>
Date: Wed, 30 Jan 2013 03:48:17 +0000 (-0500)
Subject: ext4: fix possible use-after-free with AIO
X-Git-Tag: v3.9-rc1~64^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=091e26dfc156aeb3b73bc5c5f277e433ad39331c;p=pandora-kernel.git

ext4: 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: stable@vger.kernel.org
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

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