[PATCH] infoleak fix1 in timer

From: Kangjie Lu
Date: Tue May 03 2016 - 16:41:11 EST


The stack object âtreadâ has a total size of 32 bytes. Its field
âeventâ and âvalâ both contain 4 bytes padding. These 8 bytes
padding bytes are sent to user without being initialized.

Signed-off-by: Kangjie Lu <kjlu@xxxxxxxxxx>
---
sound/core/timer.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/sound/core/timer.c b/sound/core/timer.c
index 6469bed..964f5eb 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1739,6 +1739,7 @@ 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;
--
1.9.1