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Takashi Iwai 3a2a5e197a ALSA: rawmidi: Access runtime->avail always in spinlock 
commit 88a06d6fd6b369d88cec46c62db3e2604a2f50d5 upstream.

The runtime->avail field may be accessed concurrently while some
places refer to it without taking the runtime->lock spinlock, as
detected by KCSAN.  Usually this isn't a big problem, but for
consistency and safety, we should take the spinlock at each place
referencing this field.

Reported-by: syzbot+a23a6f1215c84756577c@syzkaller.appspotmail.com
Reported-by: syzbot+3d367d1df1d2b67f5c19@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20201206083527.21163-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-06 14:48:38 +01:00
..
ac97
ALSA: ac97: Fix double free of ac97_codec_device
2019-07-23 14:16:11 +02:00
aoa
ALSA: aoa: onyx: always initialize register read value
2019-07-29 09:21:39 +02:00
arm
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
atmel
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
core
ALSA: rawmidi: Access runtime->avail always in spinlock
2021-01-06 14:48:38 +01:00
drivers
ALSA: opl3: fix infoleak in opl3
2020-07-16 08:16:42 +02:00
firewire
ALSA: firewire: Clean up a locking issue in copy_resp_to_buf()
2020-11-24 13:29:20 +01:00
hda
ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link()
2020-11-18 19:20:18 +01:00
i2c
ALSA: i2c: ak4xxx-adda: Fix a possible null pointer dereference in build_adc_controls()
2019-07-26 14:25:37 +02:00
isa
ALSA: isa/wavefront: prevent out of bounds write in ioctl
2020-06-24 17:50:11 +02:00
mips
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176
2019-05-30 11:29:19 -07:00
oss
sound: dmasound_atari: Mark expected switch fall-through
2019-07-30 09:36:13 +02:00
parisc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176
2019-05-30 11:29:19 -07:00
pci
ALSA: hda/realtek: Apply jack fixup for Quanta NL3
2020-12-30 11:51:33 +01:00
pcmcia
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
ppc
ALSA: ps3: Remove Unneeded variable: "ret"
2019-07-10 11:53:31 +02:00
sh
ALSA: sh: Fix compile warning wrt const
2020-02-24 08:36:42 +01:00
soc
ASoC: cx2072x: Fix doubly definitions of Playback and Capture streams
2020-12-30 11:51:35 +01:00
sparc
ALSA: sparc: Mark expected switch fall-throughs
2019-07-30 09:37:01 +02:00
spi
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
synth
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
usb
ALSA: usb-audio: Disable sample read check if firmware doesn't give back
2020-12-30 11:51:34 +01:00
x86
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285
2019-06-05 17:36:37 +02:00
xen
ASoC: Updates for v5.3
2019-07-08 14:45:34 +02:00
ac97_bus.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
last.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
Makefile
…
sound_core.c
sound: fix a memory leak bug
2019-08-08 08:18:32 +02:00