linux-kernel - Re: WARNING in kvm_arch_vcpu_ioctl

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: <00000000000064948e05867b8503@google.com>
Date:   Sun, 14 Apr 2019 04:06:00 -0700
From:   syzbot <syzbot+760a73552f47a8cd0fd9@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, bp@...en8.de, gleb@...nel.org,
        hpa@...or.com, kernellwp@...il.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, mingo@...nel.org, mingo@...hat.com,
        paulmck@...ux.vnet.ibm.com, pbonzini@...hat.com,
        peterz@...radead.org, rkrcmar@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        torvalds@...ux-foundation.org, x86@...nel.org
Subject: Re: WARNING in kvm_arch_vcpu_ioctl_run (3)

syzbot has bisected this bug to:

commit 706249c222f68471b6f8e9e8e9b77665c404b226
Author: Peter Zijlstra <peterz@...radead.org>
Date:   Fri Jul 24 13:06:37 2015 +0000

     locking/static_keys: Rework update logic

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=175cc587200000
start commit:   1d2ba7fe Merge tag 'fbdev-v4.19-rc7' of https://github.com..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=14dcc587200000
console output: https://syzkaller.appspot.com/x/log.txt?x=10dcc587200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c0af03fe452b65fb
dashboard link: https://syzkaller.appspot.com/bug?extid=760a73552f47a8cd0fd9
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=156ad231400000

Reported-by: syzbot+760a73552f47a8cd0fd9@...kaller.appspotmail.com
Fixes: 706249c222f6 ("locking/static_keys: Rework update logic")

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