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ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS 

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.

Change-Id: Ief5bbada3a144447aaecc236f86aa91da968bb3f
Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Git-commit: cec8f96e49d9be372fdb0c3836dcf31ec71e457e
Git-repo: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git
Signed-off-by: Ravi Kumar Siddojigari <rsiddoji@codeaurora.org>
This commit is contained in:
Kangjie Lu 2016-05-03 16:44:07 -04:00 committed by Gerrit - the friendly Code Review server
parent 4945378a30
commit a3c5b67ad6
1 changed files with 1 additions and 0 deletions
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sound/core/timer.c
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@ -1683,6 +1683,7 @@ 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;