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Takashi Iwai 64b2a977e1 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 14:45:00 +01:00
..
ac97
ALSA: ac97: Fix double free of ac97_codec_device
2019-07-31 07:27:11 +02:00
aoa
ALSA: aoa: onyx: always initialize register read value
2020-01-27 14:51:02 +01:00
arm
ASoC: pxa2xx-pcm-lib: fix indenting
2018-06-29 12:05:05 +01:00
atmel
…
core
ALSA: rawmidi: Access runtime->avail always in spinlock
2021-01-06 14:45:00 +01:00
drivers
ALSA: opl3: fix infoleak in opl3
2020-07-16 08:17:25 +02:00
firewire
ALSA: firewire: Clean up a locking issue in copy_resp_to_buf()
2020-11-24 13:27:24 +01:00
hda
ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link()
2020-11-18 19:18:42 +01:00
i2c
ALSA: i2c/cs8427: Fix int to char conversion
2019-12-01 09:16:36 +01:00
isa
ALSA: isa/wavefront: prevent out of bounds write in ioctl
2020-06-25 15:32:48 +02:00
mips
ALSA: pcm: Nuke snd_pcm_lib_mmap_vmalloc()
2018-07-18 08:24:29 +02:00
oss
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
parisc
…
pci
ALSA: hda/realtek: Apply jack fixup for Quanta NL3
2020-12-30 11:26:09 +01:00
pcmcia
Merge branch 'for-linus' into topic/virmidi
2018-07-29 22:39:29 +02:00
ppc
powerpc/ps3: Set driver coherent_dma_mask
2018-07-20 12:50:37 +10:00
sh
ALSA: sh: Fix compile warning wrt const
2020-02-24 08:34:45 +01:00
soc
ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control()
2020-12-30 11:26:03 +01:00
sparc
ALSA: sparc: Fix invalid snd_free_pages() at error path
2018-12-05 19:32:08 +01:00
spi
…
synth
ALSA: emux: Fix potential Spectre v1 vulnerabilities
2019-01-09 17:38:36 +01:00
usb
ALSA: usb-audio: Disable sample read check if firmware doesn't give back
2020-12-30 11:26:09 +01:00
x86
ALSA: x86: Fix runtime PM for hdmi-lpe-audio
2019-03-27 14:14:41 +09:00
xen
ALSA: xen: Use standard pcm_format_to_bits() for ALSA format bits
2018-07-27 09:05:34 +02:00
ac97_bus.c
…
Kconfig
ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver
2018-05-16 12:58:36 +02:00
last.c
…
Makefile
ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver
2018-05-16 12:58:36 +02:00
sound_core.c
sound: fix a memory leak bug
2019-08-16 10:12:39 +02:00