Patch "ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS" has been added to the 3.14-stable tree
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This is a note to let you know that I've just added the patch titled
ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-timer-fix-leak-in-sndrv_timer_ioctl_params.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
cec8f96e49d9be372fdb0c3836dcf31ec71e457eMon Sep 17 00:00:00 2001
From: Kangjie Lu <[email protected]>
Date: Tue, 3 May 2016 16:44:07 -0400
Subject: ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
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From: Kangjie Lu <[email protected]>
commit cec8f96e49d9be372fdb0c3836dcf31ec71e457e upstream.
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.
--- sound/core/timer.c | 1 + 1 file changed, 1 insertion(+)
sound/core/timer.c +1 -0
@@ -1707,6 +1707,7 @@ static int snd_timer_user_params(structif (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 ;
Patches currently in stable-queue which might be from [email protected] are
queue-3.14/alsa-timer-fix-leak-in-events-via-snd_timer_user_ccallback.patch queue-3.14/alsa-timer-fix-leak-in-sndrv_timer_ioctl_params.patch queue-3.14/alsa-timer-fix-leak-in-events-via-snd_timer_user_tinterrupt.patch