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linux/sound/usb
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Takashi Iwai f9f0e9ed35 ALSA: usb-audio: Check mixer unit bitmap yet more strictly 
The bmControls (for UAC1) or bmMixerControls (for UAC2/3) bitmap has a
variable size depending on both input and output pins.  Its size is to
fit with input * output bits.  The problem is that the input size
can't be determined simply from the unit descriptor itself but it
needs to parse the whole connected sources.  Although the
uac_mixer_unit_get_channels() tries to check some possible overflow of
this bitmap, it's incomplete due to the lack of the  evaluation of
input pins.

For covering possible overflows, this patch adds the bitmap overflow
check in the loop of input pins in parse_audio_mixer_unit().

Fixes: 0bfe5e434e ("ALSA: usb-audio: Check mixer unit descriptors more strictly")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-08-22 10:33:12 +02:00
..
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 ALSA: line6: Fix memory leak at line6_init_pcm() error path 2019-08-21 20:00:02 +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 media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
clock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
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: Sanity checks for each pipe and EP types 2019-06-24 15:11:06 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
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_maps.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mixer_quirks.c ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate() 2019-08-21 08:19:30 +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_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
mixer.c ALSA: usb-audio: Check mixer unit bitmap yet more strictly 2019-08-22 10:33:12 +02:00
mixer.h media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
pcm.c ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604 2019-08-20 08:58:12 +02:00
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: Initial Power Domain support 2018-07-31 15:01:22 +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 ASoC: Updates for v5.3 2019-07-08 14:45:34 +02:00
quirks.c ASoC: Updates for v5.3 2019-07-08 14:45:34 +02:00
quirks.h ALSA: usb-audio: move audioformat quirks to quirks.c 2018-03-19 17:00:12 +01:00
stream.c ALSA: usb-audio: fix a memory leak bug 2019-08-06 12:44:44 +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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00