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android_kernel_oneplus_msm8998/sound/core
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Takashi Iwai 9879f9d01a ALSA: timer: Reject user params with too small ticks 
commit 71321eb3f2d0df4e6c327e0b936eec4458a12054 upstream.

When a user sets a too small ticks with a fine-grained timer like
hrtimer, the kernel tries to fire up the timer irq too frequently.
This may lead to the condensed locks, eventually the kernel spinlock
lockup with warnings.

For avoiding such a situation, we define a lower limit of the
resolution, namely 1ms.  When the user passes a too small tick value
that results in less than that, the kernel returns -EINVAL now.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-12 06:37:24 +01:00
..
oss ALSA: pcm: Fix potential deadlock in OSS emulation 2016-02-17 12:30:59 -08:00
seq ALSA: seq: Don't handle loop timeout at snd_seq_pool_done() 2017-02-14 15:22:52 -08:00
compress_offload.c ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures 2016-02-17 12:30:58 -08:00
control.c ALSA: ctl: Stop notification after disconnection 2016-07-27 09:47:38 -07:00
control_compat.c ALSA: ctl: Fix ioctls for X32 ABI 2016-03-09 15:34:53 -08:00
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: hrtimer: Fix stall by hrtimer_cancel() 2016-01-31 11:28:57 -08:00
hwdep.c ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
hwdep_compat.c [PATCH] hwdep_compat missed __user annotations 2006-10-10 15:37:21 -07:00
info.c ALSA: info: Limit the proc text input size 2016-11-18 10:48:33 +01:00
info_oss.c ALSA: core: Clean up OSS proc file management 2015-04-24 17:31:08 +02:00
init.c ALSA: Fix uninintialized error return 2015-06-29 19:08:31 +02:00
isadma.c ALSA: core: Use standard printk helpers 2014-02-14 08:14:15 +01:00
jack.c ALSA: jack: Remove MODULE_*() macros 2015-05-21 11:32:51 +02:00
Kconfig ALSA: timer: add config item to export PCM timer disabling for expert 2015-10-16 14:31:38 +02:00
Makefile ALSA: timer: add config item to export PCM timer disabling for expert 2015-10-16 14:31:38 +02:00
memalloc.c genalloc: rename of_get_named_gen_pool() to of_gen_pool_get() 2015-06-30 19:45:01 -07:00
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.c ALSA: pcm: Free chmap at PCM free callback, too 2016-07-27 09:47:38 -07:00
pcm_compat.c ALSA: pcm: Fix ioctls for X32 ABI 2016-03-09 15:34:54 -08:00
pcm_dmaengine.c ALSA: Fix spelling typo in Documentation/DocBook/alsa-driver-api.xml 2015-03-04 12:12:59 +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: add IEC958 channel status helper 2015-05-22 16:01:47 +02:00
pcm_lib.c ALSA: pcm : Call kill_fasync() in stream lock 2016-12-08 07:15:24 +01:00
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 big-endian DSD sample formats and fix XMOS DSD sample format 2014-11-21 15:13:28 +01:00
pcm_native.c ALSA: pcm: Fix rwsem deadlock for non-atomic PCM stream 2016-02-25 12:01:13 -08:00
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
rawmidi.c ALSA: rawmidi: Fix possible deadlock with virmidi registration 2016-09-15 08:27:53 +02:00
rawmidi_compat.c ALSA: rawmidi: Fix ioctls X32 ABI 2016-03-09 15:34:54 -08:00
rtctimer.c ALSA: timer: Use standard printk helpers 2014-02-14 08:14:17 +01:00
sgbuf.c ALSA: core: Deletion of unnecessary checks before two function calls 2014-11-21 20:06:57 +01:00
sound.c ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
sound_oss.c ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
timer.c ALSA: timer: Reject user params with too small ticks 2017-03-12 06:37:24 +01:00
timer_compat.c ALSA: timer: Fix broken compat timer user status ioctl 2016-03-09 15:34:55 -08:00
vmaster.c ALSA: core: Use standard printk helpers 2014-02-14 08:14:15 +01:00