diff options
| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:20 -0400 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-09-08 14:46:47 -0700 |
| commit | cb93febf41fec5d54987c0da03c3964ebcaecf7b (patch) | |
| tree | 775027b12574ce78de592dea90225b7fba8cea75 /sound/core/timer.c | |
| parent | 3388724cb98b8e6e851fa5110b58b99a688a0699 (diff) | |
ALSA: timer: Fix leak in events via snd_timer_user_ccallback
The stack object “r1” 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.
b/28980217
Git-commit: 9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
Git-repo: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git
Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Dennis Cagle <d-cagle@codeaurora.org>
(cherry picked from commit 9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6)
Change-Id: I12949efac2aba669d302908704005fb94ba7efd7
Diffstat (limited to 'sound/core/timer.c')
| -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 85a8e13fb889..3c7d148e42fb 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1247,6 +1247,7 @@ static void snd_timer_user_ccallback(struct snd_timer_instance *timeri, tu->tstamp = *tstamp; if ((tu->filter & (1 << event)) == 0 || !tu->tread) return; + memset(&r1, 0, sizeof(r1)); r1.event = event; r1.tstamp = *tstamp; r1.val = resolution; |