From: Kangjie Lu <kangjielu@xxxxxxxxx> commit cec8f96e49d9be372fdb0c3836dcf31ec71e457e upstream. The stack object “tread” 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. Signed-off-by: Kangjie Lu <kjlu@xxxxxxxxxx> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx> --- sound/core/timer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/core/timer.c b/sound/core/timer.c index fa4ded0c2230..ede058bd49a4 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1759,6 +1759,7 @@ static int snd_timer_user_params(struct file *file, if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) { if (tu->tread) { struct snd_timer_tread tread; + memset(&tread, 0, sizeof(tread)); tread.event = SNDRV_TIMER_EVENT_EARLY; tread.tstamp.tv_sec = 0; tread.tstamp.tv_nsec = 0; -- 2.7.4