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

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]

Message-ID: <000000000000a335a405abfc2e1e@google.com>
Date:   Mon, 03 Aug 2020 10:08:06 -0700
From:   syzbot <syzbot+305a91e025a73e4fd6ce@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net,
        devel@...verdev.osuosl.org, eric@...olt.net,
        gregkh@...uxfoundation.org, johan.hedberg@...il.com,
        kaber@...sh.net, kadlec@...ckhole.kfki.hu, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        marcel@...tmann.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in hci_chan_del

syzbot has bisected this issue to:

commit 166beccd47e11e4d27477e8ca1d7eda47cf3b2da
Author: Eric Anholt <eric@...olt.net>
Date:   Mon Oct 3 18:52:06 2016 +0000

    staging/vchi: Convert to current get_user_pages() arguments.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=178321a4900000
start commit:   5a30a789 Merge tag 'x86-urgent-2020-08-02' of git://git.ke..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=144321a4900000
console output: https://syzkaller.appspot.com/x/log.txt?x=104321a4900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55
dashboard link: https://syzkaller.appspot.com/bug?extid=305a91e025a73e4fd6ce
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=127dd914900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=122a94ec900000

Reported-by: syzbot+305a91e025a73e4fd6ce@...kaller.appspotmail.com
Fixes: 166beccd47e1 ("staging/vchi: Convert to current get_user_pages() arguments.")

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