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| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:07 -0400 |
|---|---|---|
| committer | Simon Shields <keepcalm444@gmail.com> | 2016-05-17 22:11:13 +1000 |
| commit | 09019d5a21ea44e73c7c850e815d11f26a15b813 (patch) | |
| tree | a3078fcc8fb779e4c2cb88fd9c0348d0a205eec9 /sound | |
| parent | 55699ae6f09377fcce9af40f43b4e5e167421958 (diff) | |
| download | kernel_samsung_smdk4412-09019d5a21ea44e73c7c850e815d11f26a15b813.zip kernel_samsung_smdk4412-09019d5a21ea44e73c7c850e815d11f26a15b813.tar.gz kernel_samsung_smdk4412-09019d5a21ea44e73c7c850e815d11f26a15b813.tar.bz2 | |
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.
Change-Id: Ibf2868136a538eed0f2e75395a5f14a8608dd86d
Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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 9eb25d4..269108a 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1679,6 +1679,7 @@ 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; |