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linux-stable/sound/usb
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Johan Hovold 370aadd16d ALSA: usb-audio: fix sync-ep altsetting sanity check 
commit 5d1b71226d upstream.

The altsetting sanity check in set_sync_ep_implicit_fb_quirk() was
checking for there to be at least one altsetting but then went on to
access the second one, which may not exist.

This could lead to random slab data being used to initialise the sync
endpoint in snd_usb_add_endpoint().

Fixes: c75a8a7ae5 ("ALSA: snd-usb: add support for implicit feedback")
Fixes: ca10a7ebdf ("ALSA: usb-audio: FT C400 sync playback EP to capture EP")
Fixes: 5e35dc0338 ("ALSA: usb-audio: add implicit fb quirk for Behringer UFX1204")
Fixes: 17f08b0d9a ("ALSA: usb-audio: add implicit fb quirk for Axe-Fx II")
Fixes: 103e962564 ("ALSA: usb-audio: simplify set_sync_ep_implicit_fb_quirk")
Cc: stable <stable@vger.kernel.org>     # 3.5
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200114083953.1106-1-johan@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-23 08:22:31 +01:00
..
6fire treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
bcd2000 Linux 5.2-rc6 2019-06-26 12:39:34 +01:00
caiaq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
hiface ALSA: hiface: fix multiple memory leak bugs 2019-08-07 12:20:00 +02:00
line6 Merge branch 'topic/usb-validation' into for-next 2019-08-22 15:42:03 +02:00
misc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 264 2019-06-05 17:30:28 +02:00
usx2y treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
card.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
card.h ALSA: usb-audio: set the interface format after resume on Dell WD19 2020-01-09 10:19:55 +01:00
clock.c ALSA: usb-audio: Remove superfluous bLength checks 2019-08-22 10:36:00 +02:00
clock.h ALSA: usb: initial USB Audio Device Class 3.0 support 2018-03-21 11:46:33 +01:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
endpoint.c ALSA: usb-audio: not submit urb for stopped endpoint 2019-11-13 10:49:31 +01:00
endpoint.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
format.c ASoC: Updates for v5.3 2019-07-08 14:45:34 +02:00
format.h ALSA: usb: initial USB Audio Device Class 3.0 support 2018-03-21 11:46:33 +01:00
helper.c ALSA: usb-audio: Fix gpf in snd_usb_pipe_sanity_check 2019-07-30 12:32:21 +02:00
helper.h ALSA: usb-audio: More validations of descriptor units 2019-08-22 10:35:59 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile Merge branch 'topic/usb-validation' into for-next 2019-08-22 15:42:03 +02:00
media.c media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
media.h media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
midi.c ALSA: rawmidi: A lightweight function to discard pending bytes 2018-10-04 20:13:17 +02:00
midi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mixer.c ALSA: usb-audio: Fix NULL dereference at parsing BADD 2019-11-29 10:10:01 +01:00
mixer.h ALSA: usb-audio: Scarlett Gen 2 mixer interface 2019-07-28 17:47:48 +02:00
mixer_maps.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mixer_quirks.c Merge branch 'topic/usb-validation' into for-next 2019-08-22 15:42:03 +02:00
mixer_quirks.h ALSA: usb-audio: Initialize Dell Dock playback volumes 2018-05-02 16:02:32 +02:00
mixer_scarlett.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
mixer_scarlett.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mixer_scarlett_gen2.c ALSA: usb-audio: Fix Scarlett 6i6 Gen 2 port data 2019-11-29 10:10:02 +01:00
mixer_scarlett_gen2.h ALSA: usb-audio: Scarlett Gen 2 mixer interface 2019-07-28 17:47:48 +02:00
mixer_us16x08.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
mixer_us16x08.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pcm.c ALSA: usb-audio: fix sync-ep altsetting sanity check 2020-01-23 08:22:31 +01:00
pcm.h ALSA: usb-audio: Add UAC3 Power Domains to suspend/resume 2018-07-31 15:01:36 +02:00
power.c ALSA: usb-audio: More validations of descriptor units 2019-08-22 10:35:59 +02:00
power.h ALSA: usb-audio: Initial Power Domain support 2018-07-31 15:01:22 +02:00
proc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
proc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quirks-table.h ALSA: usb-audio: set the interface format after resume on Dell WD19 2020-01-09 10:19:55 +01:00
quirks.c ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5 2020-01-14 20:08:19 +01:00
quirks.h ALSA: usb-audio: move audioformat quirks to quirks.c 2018-03-19 17:00:12 +01:00
stream.c Merge branch 'topic/usb-validation' into for-next 2019-08-22 15:42:03 +02:00
stream.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
usbaudio.h ALSA: usb-audio: set the interface format after resume on Dell WD19 2020-01-09 10:19:55 +01:00
validate.c ALSA: usb-audio: Fix incorrect size check for processing/extension units 2019-11-14 18:01:22 +01:00