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| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:32 -0400 |
|---|---|---|
| committer | Andreas Blaesius <skate4life@gmx.de> | 2016-10-12 23:27:09 +0200 |
| commit | ff6d7fce88c25be3b07e4f536fc611ae838649a0 (patch) | |
| tree | 7a71ab0a5780c131d10560c13cb20a5381b5bb21 | |
| parent | 29cc826b5b7f832082e2da8ed346e5b7333cc489 (diff) | |
| download | kernel_samsung_espresso10-ff6d7fce88c25be3b07e4f536fc611ae838649a0.zip kernel_samsung_espresso10-ff6d7fce88c25be3b07e4f536fc611ae838649a0.tar.gz kernel_samsung_espresso10-ff6d7fce88c25be3b07e4f536fc611ae838649a0.tar.bz2 | |
ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt
The stack object “r1” has a total size of 32 bytes. Its field
“event” and “val” both contain 4 bytes padding. These 8 bytes
padding bytes are sent to user without being initialized.
Change-Id: Ie3dcdee7da8ad292712814e8402c571a717ab8d1
Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/core/timer.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/core/timer.c b/sound/core/timer.c index c0a11d5..22c43b3 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1215,6 +1215,7 @@ static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri, } if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) && tu->last_resolution != resolution) { + memset(&r1, 0, sizeof(r1)); r1.event = SNDRV_TIMER_EVENT_RESOLUTION; r1.tstamp = tstamp; r1.val = resolution; |