From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59526 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932120AbdERMWa (ORCPT ); Thu, 18 May 2017 08:22:30 -0400 Subject: Patch "ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS" has been added to the 3.18-stable tree To: kangjielu@gmail.com, amit.pundir@linaro.org, gregkh@linuxfoundation.org, kjlu@gatech.edu, tiwai@suse.de Cc: , From: Date: Thu, 18 May 2017 14:22:12 +0200 Message-ID: <149511013226170@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 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 3.18-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-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From cec8f96e49d9be372fdb0c3836dcf31ec71e457e Mon Sep 17 00:00:00 2001 From: Kangjie Lu Date: Tue, 3 May 2016 16:44:07 -0400 Subject: ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Kangjie Lu 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. Signed-off-by: Kangjie Lu Signed-off-by: Takashi Iwai Signed-off-by: Amit Pundir Signed-off-by: Greg Kroah-Hartman --- sound/core/timer.c | 1 + 1 file changed, 1 insertion(+) --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1759,6 +1759,7 @@ static int snd_timer_user_params(struct if (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 kangjielu@gmail.com are queue-3.18/alsa-timer-fix-leak-in-events-via-snd_timer_user_ccallback.patch queue-3.18/alsa-timer-fix-leak-in-sndrv_timer_ioctl_params.patch queue-3.18/alsa-timer-fix-leak-in-events-via-snd_timer_user_tinterrupt.patch