linux-kernel - Re: possible deadlock in mon_bin_vma

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 for Android: free password hash cracker in your pocket

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

Date:   Wed, 20 Nov 2019 04:01:00 -0800
From:   syzbot <syzbot+56f9673bb4cdcbeb0e92@...kaller.appspotmail.com>
To:     arnd@...db.de, gregkh@...uxfoundation.org, jrdr.linux@...il.com,
        keescook@...omium.org, kstewart@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        viro@...iv.linux.org.uk, zaitcev@...hat.com
Subject: Re: possible deadlock in mon_bin_vma_fault

syzbot has bisected this bug to:

commit 46eb14a6e1585d99c1b9f58d0e7389082a5f466b
Author: Pete Zaitcev <zaitcev@...hat.com>
Date:   Mon Jan 8 21:46:41 2018 +0000

     USB: fix usbmon BUG trigger

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14deb012e00000
start commit:   58c3f14f Merge tag 'riscv-for-linus-4.19-rc2' of git://git..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16deb012e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=12deb012e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=531a917630d2a492
dashboard link: https://syzkaller.appspot.com/bug?extid=56f9673bb4cdcbeb0e92
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13dca13e400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17cbe492400000

Reported-by: syzbot+56f9673bb4cdcbeb0e92@...kaller.appspotmail.com
Fixes: 46eb14a6e158 ("USB: fix usbmon BUG trigger")

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