tree e64f5cc0ae82ab8c7a990485799980ee1678f02f
parent da2d8455ed7eb22d7642ecee43dc463ac42a1256
author Jan Kara <jack@suse.cz> 1359502081 +0100
committer Al Viro <viro@zeniv.linux.org.uk> 1361593896 -0500

fs: 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: Christoph Hellwig <hch@infradead.org>
CC: Jens Axboe <axboe@kernel.dk>
CC: Jeff Moyer <jmoyer@redhat.com>
CC: stable@vger.kernel.org
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>