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alistair23-linux/sound/usb/line6
Takashi Iwai 68359a1ad8 ALSA: line6: Sync the pending work cancel at disconnection
Recently syzkaller reported a UAF in LINE6 driver, and it's likely
because we call cancel_delayed_work() at the disconnect callback
instead of cancel_delayed_work_sync().  Let's use the correct one
instead.

Reported-by: syzbot+145012a46658ac00fc9e@syzkaller.appspotmail.com
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/s5hlfjr4gio.wl-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-07-10 16:29:38 +02:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +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
capture.c ALSA: line6: Perform sanity check for each URB creation 2020-07-10 16:29:18 +02:00
capture.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
driver.c ALSA: line6: Sync the pending work cancel at disconnection 2020-07-10 16:29:38 +02:00
driver.h ALSA: line6: hwdep: add support for O_NONBLOCK opening mode 2020-05-02 22:31:03 +02:00
midi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
midi.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
midibuf.c ALSA: line6: Fix endless MIDI read loop 2020-03-09 11:00:45 +01:00
midibuf.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
pcm.c ALSA: line6: Use managed buffer allocation 2019-12-11 07:25:23 +01:00
pcm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
playback.c ALSA: line6: Perform sanity check for each URB creation 2020-07-10 16:29:18 +02:00
playback.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
pod.c ALSA: line6: Constify snd_ratden definitions 2020-01-03 09:24:40 +01:00
podhd.c ALSA: line6: Fix POD HD500 audio playback 2020-04-26 09:11:29 +02:00
toneport.c ALSA: line6: Constify snd_ratden definitions 2020-01-03 09:24:40 +01:00
variax.c ALSA: line6: Fix a typo 2019-07-22 09:10:54 +02:00