Matthew Wilcox 55e56f06ed dax: Don't access a freed inode
After we drop the i_pages lock, the inode can be freed at any time.
The get_unlocked_entry() code has no choice but to reacquire the lock,
so it can't be used here.  Create a new wait_entry_unlocked() which takes
care not to acquire the lock or dereference the address_space in any way.

Fixes: c2a7d2a11552 ("filesystem-dax: Introduce dax_lock_mapping_entry()")
Cc: <stable@vger.kernel.org>
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-11-28 11:08:42 -08:00
..
2018-11-15 11:35:40 -08:00
2018-11-11 16:54:38 -06:00
2018-09-04 11:35:03 +08:00
2018-08-21 23:54:17 -04:00
\n
2018-10-29 10:23:36 -07:00
2018-08-17 16:20:28 -07:00
2018-09-29 22:47:48 -04:00
2018-10-26 16:26:33 -07:00
2018-05-22 14:27:52 -04:00
2018-11-05 14:57:05 -05:00
2018-10-12 22:46:50 -04:00
2018-11-01 11:46:27 -07:00
2018-10-31 08:54:15 -07:00
2018-05-22 14:27:52 -04:00
2018-08-18 11:44:53 -07:00
2018-10-23 13:49:02 +02:00
2018-09-07 10:32:23 +02:00
2018-07-03 16:44:45 -04:00
2018-10-24 00:40:44 +01:00
2018-11-02 11:25:48 -07:00
2018-10-29 14:29:58 -07:00
2018-06-05 19:23:26 +02:00
2018-11-28 11:08:42 -08:00
2018-10-31 08:54:16 -07:00
2018-10-24 00:40:44 +01:00
2018-11-19 11:28:10 +01:00
2018-08-21 18:19:09 -07:00
2018-10-21 10:46:42 -04:00
2018-08-21 18:19:09 -07:00
2018-06-11 08:22:34 -07:00
2018-08-21 18:19:09 -07:00
2018-08-21 18:19:09 -07:00
2018-09-03 15:14:01 +02:00
2018-04-04 12:44:02 -07:00