linux-kernel - Re: KASAN: use-after-free Read in snd_timer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:   Mon, 03 Feb 2020 07:43:54 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Hillf Danton <hdanton@...a.com>
Cc:     syzbot <syzbot+2b2ef983f973e5c40943@...kaller.appspotmail.com>,
        alsa-devel-owner@...a-project.org, alsa-devel@...a-project.org,
        arnd@...db.de, baolin.wang@...aro.org, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, perex@...ex.cz,
        stable-commits@...r.kernel.org, stable@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, tiwai@...e.com
Subject: Re: KASAN: use-after-free Read in snd_timer_resolution

On Mon, 03 Feb 2020 06:51:22 +0100,
Hillf Danton wrote:
> 
> 
> Sun, 02 Feb 2020 04:56:10 -0800 (PST)
> > syzbot has found a reproducer for the following crash on:
> > 
> > HEAD commit:    2747d5fd Add linux-next specific files for 20200116

This looks like a fairly old head, and missing the fix that is already
included in 5.5 release:
60adcfde92fa40fcb2dbf7cc52f9b096e0cd109a
    ALSA: seq: Fix racy access for queue timer in proc read
    

thanks,

Takashi