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linux-stable/sound/core/seq
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Takashi Iwai 2d7d54002e ALSA: seq: Fix race during FIFO resize 
When a new event is queued while processing to resize the FIFO in
snd_seq_fifo_clear(), it may lead to a use-after-free, as the old pool
that is being queued gets removed.  For avoiding this race, we need to
close the pool to be deleted and sync its usage before actually
deleting it.

The issue was spotted by syzkaller.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-03-24 17:11:00 +01:00
..
oss sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
Kconfig ALSA: clean up the logic for building sequencer modules 2009-05-29 11:49:42 +02:00
Makefile ALSA: core: Fix randconfig build wrt CONFIG_PROC_FS 2015-05-29 07:21:02 +02:00
seq.c ALSA: timer: remove legacy rtctimer 2016-04-25 10:41:46 +02:00
seq_clientmgr.c ALSA: seq: Fix racy cell insertions during snd_seq_pool_done() 2017-03-21 14:01:10 +01:00
seq_clientmgr.h ALSA: seq: Provide card number / PID via sequencer client info 2016-03-08 10:52:52 +01:00
seq_compat.c ALSA: seq: fix passing wrong pointer in function call of compatibility layer 2016-10-12 20:09:36 +02:00
seq_device.c ALSA: core: Fix randconfig build wrt CONFIG_PROC_FS 2015-05-29 07:21:02 +02:00
seq_dummy.c ALSA: seq: Drop snd_seq_autoload_lock() and _unlock() 2015-02-12 14:42:31 +01:00
seq_fifo.c ALSA: seq: Fix race during FIFO resize 2017-03-24 17:11:00 +01:00
seq_fifo.h
seq_info.c ALSA: core: Build conditionally and remove superfluous ifdefs 2015-04-24 17:31:07 +02:00
seq_info.h ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
seq_lock.c ALSA: seq: Use standard printk helpers 2014-02-14 08:14:18 +01:00
seq_lock.h
seq_memory.c ALSA: seq: Fix racy cell insertions during snd_seq_pool_done() 2017-03-21 14:01:10 +01:00
seq_memory.h ALSA: seq: Fix racy cell insertions during snd_seq_pool_done() 2017-03-21 14:01:10 +01:00
seq_midi.c ALSA: seq: Drop snd_seq_autoload_lock() and _unlock() 2015-02-12 14:42:31 +01:00
seq_midi_emul.c ALSA: seq: potential out of bounds in do_control() 2015-02-12 11:07:48 +01:00
seq_midi_event.c sound: Add module.h to the previously silent sound users 2011-10-31 19:31:21 -04:00
seq_ports.c ALSA: seq: Fix double port list deletion 2016-02-16 14:37:19 +01:00
seq_ports.h ALSA: seq: remove unused callback_all field 2015-01-26 13:56:58 +01:00
seq_prioq.c ALSA: seq: Drop superfluous error/debug messages after malloc failures 2015-03-10 15:41:18 +01:00
seq_prioq.h
seq_queue.c ALSA: seq: Fix race at creating a queue 2017-02-08 12:42:37 +01:00
seq_queue.h
seq_system.c sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed 2011-10-31 19:31:22 -04:00
seq_system.h
seq_timer.c ALSA: seq: Fix time account regression 2016-10-25 16:00:46 +02:00
seq_timer.h ALSA: seq_timer: use monotonic times internally 2016-06-17 22:56:13 +02:00
seq_virmidi.c ALSA: seq: Constify snd_rawmidi_ops 2017-01-12 12:49:55 +01:00