Michał Mirosław 496d422fcb ALSA: pcm: disallow linking stream to itself ...

commit 951e2736f4 upstream.

Prevent SNDRV_PCM_IOCTL_LINK linking stream to itself - the code
can't handle it. Fixed commit is not where bug was introduced, but
changes the context significantly.

Cc: stable@vger.kernel.org
Fixes: 0888c321de ("pcm_native: switch to fdget()/fdput()")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/89c4a2487609a0ed6af3ecf01cc972bdc59a7a2d.1591634956.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2020-06-20 10:24:10 +02:00

..

oss

ALSA: pcm: oss: Place the plugin buffer overflow checks correctly

2020-05-05 19:14:35 +02:00

seq

ALSA: seq: oss: Fix running status after receiving sysex

2020-04-02 17:20:24 +02:00

compress_offload.c

ASoC: compress: fix unsigned integer overflow check

2019-12-05 15:34:06 +01:00

control_compat.c

ALSA: control: fix a redundant-copy issue

2018-05-22 16:57:56 +02:00

control.c

ALSA: control: Fix race between adding and removing a user element

2018-12-05 19:42:40 +01:00

ctljack.c

ALSA: jack: Fix endless loop at unique index detection

2015-06-26 06:59:57 +02:00

device.c

Merge branch 'topic/hda-unbind' into for-next

2015-03-16 14:48:20 +01:00

hrtimer.c

ALSA: timer: Limit max instances per timer

2019-11-06 12:18:28 +01:00

hwdep_compat.c

[PATCH] hwdep_compat missed __user annotations

2006-10-10 15:37:21 -07:00

hwdep.c

ALSA: hwdep: fix a left shifting 1 by 31 UB bug

2020-06-03 08:16:40 +02:00

info_oss.c

ALSA: core: Clean up OSS proc file management

2015-04-24 17:31:08 +02:00

info.c

ALSA: info: Fix racy addition/deletion of nodes

2019-04-27 09:34:47 +02:00

init.c

ALSA: core: Fix card races between register and disconnect

2019-04-27 09:34:42 +02:00

isadma.c

ALSA: core: Use standard printk helpers

2014-02-14 08:14:15 +01:00

jack.c

ALSA: jack: Allow building the jack layer without input device

2016-02-23 09:03:07 +01:00

Kconfig

ALSA: timer: remove legacy rtctimer

2016-04-25 10:41:46 +02:00

Makefile

ALSA: timer: remove legacy rtctimer

2016-04-25 10:41:46 +02:00

memalloc.c

ALSA: memalloc: Don't exceed over the requested size

2018-08-22 07:47:14 +02:00

memory.c

ALSA: Include linux/uaccess.h and linux/bitopts.h instead of asm/*

2015-01-28 17:25:07 +01:00

misc.c

ALSA: Allow pass NULL dev for snd_pci_quirk_lookup()

2014-10-08 12:08:38 +02:00

pcm_compat.c

ALSA: pcm: Check PCM state at xfern compat ioctl

2018-05-09 09:50:19 +02:00

pcm_dmaengine.c

ASoC: dmaengine_pcm: Add support for packed transfers

2016-04-27 17:34:11 +01:00

pcm_drm_eld.c

ALSA: pcm: add DRM ELD helper

2015-05-22 16:01:44 +02:00

pcm_iec958.c

ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper

2016-04-06 14:33:38 -07:00

pcm_lib.c

ALSA: pcm: fix incorrect hw_base increase

2020-05-27 16:41:59 +02:00

pcm_memory.c

ALSA: Include linux/io.h instead of asm/io.h

2015-01-28 16:49:33 +01:00

pcm_misc.c

ALSA: pcm: Add snd_pcm_rate_range_to_bits()

2016-02-05 18:49:00 +00:00

pcm_native.c

ALSA: pcm: disallow linking stream to itself

2020-06-20 10:24:10 +02:00

pcm_timer.c

ALSA: pcm: Use standard printk helpers

2014-02-14 08:14:15 +01:00

pcm_trace.h

ALSA: pcm: Replace PCM hwptr tracking with tracepoints

2014-11-04 14:09:14 +01:00

pcm.c

ALSA: pcm: Fix potential Spectre v1 vulnerability

2019-01-09 16:16:42 +01:00

rawmidi_compat.c

ALSA: rawmidi: Fix missing input substream checks in compat ioctls

2018-04-24 09:34:16 +02:00

rawmidi.c

ALSA: rawmidi: Fix racy buffer resize under concurrent accesses

2020-05-20 08:15:40 +02:00

sgbuf.c

ALSA: core: Deletion of unnecessary checks before two function calls

2014-11-21 20:06:57 +01:00

sound_oss.c

ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS

2015-05-27 21:25:19 +02:00

sound.c

ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS

2015-05-27 21:25:19 +02:00

timer_compat.c

ALSA: timer: Remove kernel warning at compat ioctl error paths

2017-11-30 08:39:05 +00:00

timer.c

ALSA: timer: Limit max amount of slave instances

2020-01-04 13:39:34 +01:00

vmaster.c

ALSA: vmaster: Propagate slave error

2018-05-30 07:50:48 +02:00