diff options
| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:07 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-10 10:21:02 +0200 |
| commit | a4eabc8c16004cc41f6a71c31cf7e349fa6efe50 (patch) | |
| tree | 5ebc2fff869a030bd48ffda25dd31b72d52bfc05 | |
| parent | 237f19893a451aff7f753f67ad91f463e09ce8a2 (diff) | |
ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
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@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 38742e826900..54ff806126a3 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1707,6 +1707,7 @@ 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; |