Patch "ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt" 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 events via snd_timer_user_tinterrupt
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-events-via-snd_timer_user_tinterrupt.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
e4ec8cc8039a7063e24204299b462bd1383184a5Mon Sep 17 00:00:00 2001
From: Kangjie Lu <[email protected]>
Date: Tue, 3 May 2016 16:44:32 -0400
Subject: ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt
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From: Kangjie Lu <[email protected]>
commit e4ec8cc8039a7063e24204299b462bd1383184a5 upstream.
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.
--- sound/core/timer.c | 1 + 1 file changed, 1 insertion(+)
sound/core/timer.c +1 -0
@@ -1243,6 +1243,7 @@ static void snd_timer_user_tinterrupt(st }if ((tu->filter & (1 <<SNDRV_TIMER_EVENT_RESOLUTION )) && tu->last_resolution != resolution) { +memset (&r1,0 ,sizeof (r1)); r1.event =SNDRV_TIMER_EVENT_RESOLUTION ; r1.tstamp = tstamp; r1.val = resolution;
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