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| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:07 -0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2016-08-22 22:38:27 +0100 |
| commit | 84d8697290dd3b2c08be651651a02d30f62d91a7 (patch) | |
| tree | 030cb2986de508c7c912e3c8202f15edabbf5faa /sound | |
| parent | 502c7a5b24af01f64d6812a0a382c6beebef9c55 (diff) | |
| download | linux-stable-84d8697290dd3b2c08be651651a02d30f62d91a7.tar.gz linux-stable-84d8697290dd3b2c08be651651a02d30f62d91a7.tar.bz2 linux-stable-84d8697290dd3b2c08be651651a02d30f62d91a7.zip | |
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: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'sound')
| -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 7dfb741a91b4..139efdd74ac8 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1750,6 +1750,7 @@ 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; |