diff options
| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:07 -0400 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2016-08-19 23:08:46 -0400 |
| commit | 1b7d7bce7467cf10f21007a5c952688877ead95e (patch) | |
| tree | 9cabfe6cb83eb39769e104338ba5a25408c5556c | |
| parent | c65b5c9c0085bab46706f35c4889dd03cf2b0c08 (diff) | |
ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
[ Upstream commit cec8f96e49d9be372fdb0c3836dcf31ec71e457e ]
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@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
| -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 7e3020c1e9d3..e55f045d6289 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1746,6 +1746,7 @@ 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; |