AuxXxilium/linux_dsm_epyc7002
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19b592dae8
linux_dsm_epyc7002/sound/core
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Takashi Iwai 19b592dae8 ALSA: seq: Add sanity check for user-space pointer delivery 
The sequencer event may contain a user-space pointer with its
SNDRV_SEQ_EXT_USRPTR bit, and we assure that its delivery is limited
with non-atomic mode.  Otherwise the copy_from_user() may hit the
fault and cause a problem.  Although the core code doesn't set such a
flag (only set at snd_seq_write()), any wild driver may set it
mistakenly and lead to an unexpected crash.

This patch adds a sanity check of such events at the delivery core
code to filter out the invalid invocation in the atomic mode.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-10 13:45:13 +02:00
..
oss sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
seq ALSA: seq: Add sanity check for user-space pointer delivery 2017-10-10 13:45:13 +02:00
compress_offload.c ALSA: compress: Remove unused variable 2017-09-18 15:45:01 +02:00
control_compat.c ALSA: Get rid of card power_lock 2017-08-30 20:44:29 +02:00
control.c ALSA: Get rid of card power_lock 2017-08-30 20:44:29 +02:00
ctljack.c ALSA: declare snd_kcontrol_new structures as const 2017-05-30 10:29:25 +02:00
device.c ALSA: core: Use %pS printk format for direct addresses 2017-09-07 10:36:02 +02:00
hrtimer.c ALSA: hrtimer: make hrtimer_hw const and __initconst 2017-09-19 22:06:11 +02:00
hwdep_compat.c [PATCH] hwdep_compat missed __user annotations 2006-10-10 15:37:21 -07:00
hwdep.c ALSA: hwdep: prevent a harmless shift wrapping bug 2017-09-18 15:42:00 +02:00
info_oss.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
info.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
init.c ALSA: Get rid of card power_lock 2017-08-30 20:44:29 +02:00
isadma.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
jack.c ALSA: jack: Allow building the jack layer without input device 2016-02-23 09:03:07 +01:00
Kconfig ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
Makefile ALSA: seq: Allow the modular sequencer registration 2017-06-12 08:43:33 +02:00
memalloc.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
memory.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
misc.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
pcm_compat.c ALSA: pcm: Fix structure definition for X32 ABI 2017-09-22 11:23:48 +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: use helper function to refer parameter as read-only 2017-05-17 07:24:39 +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 sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
pcm_local.h ALSA: pcm: unify codes to operate application-side position on PCM buffer 2017-06-12 08:49:22 +02:00
pcm_memory.c ALSA: pcm: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:18:58 +02:00
pcm_misc.c ALSA: pcm: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:18:58 +02:00
pcm_native.c ALSA: pcm: Unify ioctl functions for playback and capture streams 2017-08-30 20:44:55 +02:00
pcm_param_trace.h ALSA: pcm: use friendly name for id of PCM substream in trace print 2017-06-09 16:27:23 +02:00
pcm_timer.c ALSA: pcm: include pcm_local.h and remove some extraneous tabs 2017-05-30 18:04:47 +02:00
pcm_trace.h ALSA: pcm: use %s instead of %c for format of PCM buffer tracepoints 2017-06-12 08:49:24 +02:00
pcm.c ALSA: pcm: Correct broken procfs set up 2017-08-25 00:05:16 +02:00
rawmidi_compat.c ALSA: rawmidi: Fix ioctls X32 ABI 2016-02-28 17:44:51 +01:00
rawmidi.c sound updates for 4.13-rc1 2017-07-06 10:56:51 -07:00
seq_device.c ALSA: seq: Cancel pending autoload work at unbinding device 2017-09-12 12:41:20 +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: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
sound.c ALSA: core: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:16 +02:00
timer_compat.c ALSA: timer: fix gparams ioctl compatibility for different architectures 2016-03-23 08:06:16 +01:00
timer.c ALSA: timer: Convert timers to use timer_setup() 2017-10-05 08:20:37 +02:00
vmaster.c ALSA: core: Use standard printk helpers 2014-02-14 08:14:15 +01:00