diff options
Diffstat (limited to 'ALSA-timer-Fix-leak-in-events-via-snd_timer_user_cca.patch')
| -rw-r--r-- | ALSA-timer-Fix-leak-in-events-via-snd_timer_user_cca.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/ALSA-timer-Fix-leak-in-events-via-snd_timer_user_cca.patch b/ALSA-timer-Fix-leak-in-events-via-snd_timer_user_cca.patch new file mode 100644 index 000000000..e6f46f8a8 --- /dev/null +++ b/ALSA-timer-Fix-leak-in-events-via-snd_timer_user_cca.patch @@ -0,0 +1,34 @@ +From addd6e9f0e25efb00d813d54528607c75b77c416 Mon Sep 17 00:00:00 2001 +From: Kangjie Lu <kangjielu@gmail.com> +Date: Tue, 3 May 2016 16:44:20 -0400 +Subject: [PATCH 2/3] ALSA: timer: Fix leak in events via + snd_timer_user_ccallback +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +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. + +Signed-off-by: Kangjie Lu <kjlu@gatech.edu> +Signed-off-by: Takashi Iwai <tiwai@suse.de> +--- + sound/core/timer.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/sound/core/timer.c b/sound/core/timer.c +index 964f5ebf495e..e98fa5feb731 100644 +--- a/sound/core/timer.c ++++ b/sound/core/timer.c +@@ -1225,6 +1225,7 @@ 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; +-- +2.5.5 + |