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linux-uconsole/sound/usb
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Johan Hovold aa7e8db2b0 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 08:21:29 +01:00
..
6fire ALSA: pcm: Nuke snd_pcm_lib_mmap_vmalloc() 2018-07-18 08:24:29 +02:00
bcd2000 sound updates for 4.15-rc1 2017-11-14 18:01:46 -08:00
caiaq ALSA: pcm: Nuke snd_pcm_lib_mmap_vmalloc() 2018-07-18 08:24:29 +02:00
hiface ALSA: hiface: fix multiple memory leak bugs 2019-08-16 10:12:51 +02:00
line6 ALSA: line6: Fix memory leak at line6_init_pcm() error path 2019-09-06 10:22:08 +02:00
misc ALSA: pcm: Nuke snd_pcm_lib_mmap_vmalloc() 2018-07-18 08:24:29 +02:00
usx2y treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
card.c ALSA: usb-audio: Always check descriptor sizes in parser code 2019-01-13 09:51:06 +01:00
card.h ALSA: usb-audio: set the interface format after resume on Dell WD19 2020-01-09 10:18:59 +01:00
clock.c ALSA: usb-audio: Remove superfluous bLength checks 2019-11-12 19:20:48 +01:00
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 2019-11-20 18:45:12 +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 sound fixes for 4.18-rc1 2018-06-15 17:24:40 +09:00
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: correct speed checking 2016-05-08 11:42:04 +02:00
helper.h ALSA: usb-audio: More validations of descriptor units 2019-11-12 19:20:48 +01:00
Kconfig ALSA: us122l: enable compile testing 2017-05-15 11:02:14 +02:00
Makefile ALSA: usb-audio: More validations of descriptor units 2019-11-12 19:20:48 +01:00
midi.c ALSA: usb-midi: use irqsave() in USB's complete callback 2018-07-02 15:52:23 +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 2019-12-01 09:17:38 +01:00
mixer.h ALSA: usb-audio: Declare the common variable in header file 2018-07-26 08:32:00 +02:00
mixer_maps.c ALSA: usb: add UAC3 BADD profiles support 2018-05-13 08:54:35 +02:00
mixer_quirks.c ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate() 2019-09-06 10:22:10 +02:00
mixer_quirks.h ALSA: usb-audio: Initialize Dell Dock playback volumes 2018-05-02 16:02:32 +02:00
mixer_scarlett.c ALSA: usb-audio: Clean up mixer element list traverse 2018-05-03 12:35:19 +02:00
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_us16x08.c ALSA: usb: Avoid VLA in mixer_us16x08.c 2017-05-31 08:46:19 +02:00
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 08:21:29 +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 2019-11-12 19:20:48 +01:00
power.h ALSA: usb-audio: Initial Power Domain support 2018-07-31 15:01:22 +02:00
proc.c ALSA: usb-audio: Avoid nested autoresume calls 2015-08-26 15:38:25 +02:00
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 10:18:59 +01:00
quirks.c ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5 2020-01-14 20:06:58 +01:00
quirks.h ALSA: usb-audio: move audioformat quirks to quirks.c 2018-03-19 17:00:12 +01:00
stream.c ALSA: usb-audio: More validations of descriptor units 2019-11-12 19:20:48 +01:00
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 10:18:59 +01:00
validate.c ALSA: usb-audio: Fix incorrect size check for processing/extension units 2019-11-20 18:45:13 +01:00