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

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

Date:   Sun, 24 Mar 2019 17:44:01 -0700
From:   syzbot <syzbot+7a8ba368b47fdefca61e@...kaller.appspotmail.com>
To:     dledford@...hat.com, hch@....de, leonro@...lanox.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        sagi@...mberg.me, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: KASAN: use-after-free Read in path_lookupat

syzbot has bisected this bug to:

commit a435393acafbf0ecff4deb3e3cb554b34f0d0664
Author: Sagi Grimberg <sagi@...mberg.me>
Date:   Thu Jul 13 08:09:40 2017 +0000

     mlx5: move affinity hints assignments to generic code

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12df1ba3200000
start commit:   442b8cea Add linux-next specific files for 20181109
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=11df1ba3200000
console output: https://syzkaller.appspot.com/x/log.txt?x=16df1ba3200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2f72bdb11df9fbe8
dashboard link: https://syzkaller.appspot.com/bug?extid=7a8ba368b47fdefca61e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=132815f5400000

Reported-by: syzbot+7a8ba368b47fdefca61e@...kaller.appspotmail.com
Fixes: a435393acafb ("mlx5: move affinity hints assignments to generic  
code")

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