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| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 23:44:07 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-05-08 12:31:27 +0300 |
| commit | cec8f96e49d9be372fdb0c3836dcf31ec71e457e (patch) | |
| tree | 6ab72bd657d5871b0616355897856d97b94b7f84 /sound/core | |
| parent | 242658ff99ab9d87e704475ef78c3102ead344cf (diff) | |
| download | linux-cec8f96e49d9be372fdb0c3836dcf31ec71e457e.tar.xz | |
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: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
| -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 0cfc028c1193..306a93dea20a 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1737,6 +1737,7 @@ 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; |