Re: KASAN: use-after-free Read in ccid_hc_tx_delete

syzbot <[email protected]> Thu, 21 Nov 2019 15:00:00 +0000

Newsgroups	org.kernel.vger.dccp,org.alsa-project.alsa-devel,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID	<[email protected]>

syzbot has bisected this bug to:

commit f04684b4d85d6371126f476d3268ebf6a0bd57cf
Author: Dan Carpenter <[email protected]>
Date:   Thu Jun 21 08:07:21 2018 +0000

     ALSA: lx6464es: Missing error code in snd_lx6464es_create()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?xdd11cae00000
start commit:   eb6cf9f8 Merge tag 'arm64-fixes' of git://git.kernel.org/p..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?xdd11cae00000
console output: https://syzkaller.appspot.com/x/log.txt?xdd11cae00000
kernel config:  https://syzkaller.appspot.com/x/.config?xÈ970c89a0efbb23
dashboard link: https://syzkaller.appspot.com/bug?extid967c1caf256f4d5aefe
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x022ccd400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x4581db400000

Reported-by: [email protected]
Fixes: f04684b4d85d ("ALSA: lx6464es: Missing error code in  
snd_lx6464es_create()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection