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linux/drivers/md/bcache
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Eric Wheeler 456aee7e1f bcache: fix cache_set_flush() NULL pointer dereference on OOM 
commit f8b11260a4 upstream.

When bch_cache_set_alloc() fails to kzalloc the cache_set, the
asyncronous closure handling tries to dereference a cache_set that
hadn't yet been allocated inside of cache_set_flush() which is called
by __cache_set_unregister() during cleanup.  This appears to happen only
during an OOM condition on bcache_register.

Signed-off-by: Eric Wheeler <bcache@linux.ewheeler.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2016-05-01 00:05:56 +02:00
..
alloc.c bcache: Kill unused freelist 2014-03-18 12:23:36 -07:00
bcache.h arch: Mass conversion of smp_mb__*() 2014-04-18 14:20:48 +02:00
bset.c bcache: Fix another compiler warning on m68k 2014-02-18 08:55:05 -08:00
bset.h bcache: Add bch_keylist_init_single() 2014-03-18 12:22:36 -07:00
btree.c bcache: Add a cond_resched() call to gc 2016-02-02 19:09:08 +00:00
btree.h bcache: Kill unused freelist 2014-03-18 12:23:36 -07:00
closure.c bcache: kill closure locking code 2014-01-08 13:05:08 -08:00
closure.h arch: Mass conversion of smp_mb__*() 2014-04-18 14:20:48 +02:00
debug.c bcache: Convert debug code to btree_keys 2014-01-08 13:05:13 -08:00
debug.h bcache: Convert debug code to btree_keys 2014-01-08 13:05:13 -08:00
extents.c bcache: remove nested function usage 2014-03-18 12:39:28 -07:00
extents.h bcache: Convert debug code to btree_keys 2014-01-08 13:05:13 -08:00
io.c block: Introduce new bio_split() 2013-11-23 22:33:57 -08:00
journal.c bcache: btree locking rework 2014-03-18 12:23:35 -07:00
journal.h bcache: Fix a shutdown bug 2014-02-25 18:42:49 -08:00
Kconfig bcache: Kill dead cgroup code 2014-03-18 12:22:35 -07:00
Makefile bcache: Abstract out stuff needed for sorting 2014-01-08 13:05:12 -08:00
movinggc.c bcache: stop moving_gc marking buckets that can't be moved. 2014-03-18 12:22:34 -07:00
request.c bcache: Kill dead cgroup code 2014-03-18 12:22:35 -07:00
request.h bcache: Kill dead cgroup code 2014-03-18 12:22:35 -07:00
stats.c bcache: Kill dead cgroup code 2014-03-18 12:22:35 -07:00
stats.h bcache: Break up struct search 2013-11-10 21:56:32 -08:00
super.c bcache: fix cache_set_flush() NULL pointer dereference on OOM 2016-05-01 00:05:56 +02:00
sysfs.c bcache: remove nested function usage 2014-03-18 12:39:28 -07:00
sysfs.h bcache: Don't export utility code, prefix with bch_ 2013-03-28 12:50:55 -06:00
trace.c bcache: Better alloc tracepoints 2014-03-18 12:22:35 -07:00
util.c Linux 3.13-rc6 2013-12-31 09:51:02 -07:00
util.h bcache: Convert debug code to btree_keys 2014-01-08 13:05:13 -08:00
writeback.c bcache: Change refill_dirty() to always scan entire disk if necessary 2016-02-02 19:09:12 +00:00
writeback.h bcache: prevent crash on changing writeback_running 2016-02-02 19:09:12 +00:00