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| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:32 -0400 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2016-10-29 01:34:13 +0200 |
| commit | 6dd8bc733e896bdeee66992737292cec28ef2339 (patch) | |
| tree | 0d62c9d25dc84aaf27f26f9c063812b8196006f5 /sound | |
| parent | 7e256b4cf4b87a702cb8456f539071285f375da9 (diff) | |
| download | kernel_samsung_tuna-6dd8bc733e896bdeee66992737292cec28ef2339.zip kernel_samsung_tuna-6dd8bc733e896bdeee66992737292cec28ef2339.tar.gz kernel_samsung_tuna-6dd8bc733e896bdeee66992737292cec28ef2339.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>
Diffstat (limited to 'sound')
| -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; |