Commit cec8f96e authored by Kangjie Lu's avatar Kangjie Lu Committed by Takashi Iwai

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.
Signed-off-by: default avatarKangjie Lu <kjlu@gatech.edu>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 242658ff
...@@ -1737,6 +1737,7 @@ static int snd_timer_user_params(struct file *file, ...@@ -1737,6 +1737,7 @@ static int snd_timer_user_params(struct file *file,
if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) { if (tu->timeri->flags & SNDRV_TIMER_IFLG_EARLY_EVENT) {
if (tu->tread) { if (tu->tread) {
struct snd_timer_tread tread; struct snd_timer_tread tread;
memset(&tread, 0, sizeof(tread));
tread.event = SNDRV_TIMER_EVENT_EARLY; tread.event = SNDRV_TIMER_EVENT_EARLY;
tread.tstamp.tv_sec = 0; tread.tstamp.tv_sec = 0;
tread.tstamp.tv_nsec = 0; tread.tstamp.tv_nsec = 0;
......
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