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| author | Kangjie Lu <kangjielu@gmail.com> | 2016-05-03 16:44:20 -0400 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2016-08-27 11:40:28 +0200 |
| commit | 9bad15dba640ca854d97aec78e050f70a33d0508 (patch) | |
| tree | 1de6821a53037c5a1181760c838be8e112228e3f | |
| parent | 77a13dd0d162a0f569d16c9210b585120f870a45 (diff) | |
ALSA: timer: Fix leak in events via snd_timer_user_ccallback
commit 9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6 upstream.
The stack object âr1â has a total size of 32 bytes. Its field
âeventâ and âvalâ 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: Willy Tarreau <w@1wt.eu>
| -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 54ff806126a3..7ba0709726b5 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1208,6 +1208,7 @@ 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; |