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Takashi Iwai bd0e2aec56 ALSA: aloop: Add missing cable lock to ctl API callbacks 
commit 76b3421b39 upstream.

Some control API callbacks in aloop driver are too lazy to take the
loopback->cable_lock and it results in possible races of cable access
while it's being freed.  It eventually lead to a UAF, as reported by
fuzzer recently.

This patch covers such control API callbacks and add the proper mutex
locks.

Reported-by: DaeRyong Jeong <threeearcat@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-05-09 09:51:50 +02:00
..
aoa License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
arm License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atmel ASoC: Updates for v4.14 2017-09-04 14:50:49 +02:00
core ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() 2018-05-09 09:51:50 +02:00
drivers ALSA: aloop: Add missing cable lock to ctl API callbacks 2018-05-09 09:51:50 +02:00
firewire ALSA: dice: fix kernel NULL pointer dereference due to invalid calculation for array index 2018-05-09 09:51:50 +02:00
hda ALSA: hda: Drop useless WARN_ON() 2018-01-02 20:31:04 +01:00
i2c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
isa License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mips ALSA: mips: constify snd_pcm_ops structures 2017-08-19 11:02:18 +02:00
oss License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
parisc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci ALSA: hda - Fix incorrect usage of IS_REACHABLE() 2018-05-09 09:51:49 +02:00
pcmcia ALSA: pcmcia: constify snd_pcm_ops structures 2017-08-19 11:02:21 +02:00
ppc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sh ALSA: sh: Put missing KERN_* prefix 2017-08-31 11:02:15 +02:00
soc ASoC: fsl_esai: Fix divisor calculation failure at lower ratio 2018-05-01 12:58:23 -07:00
sparc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spi License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
synth License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
usb ALSA: usb-audio: Skip broken EU on Dell dock USB-audio 2018-05-01 12:58:11 -07:00
x86 ALSA: x86: Fix missing spinlock and mutex initializations 2018-03-08 22:41:02 -08:00
Kconfig ALSA: synth: Select snd-emux-synth explicitly 2017-06-09 22:10:06 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ac97_bus.c
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sound_core.c
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