linux-kernel - Re: [syzbot] [mm?] WARNING in hpage_collapse_scan

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: <0000000000001fdcda061ea2f073@google.com>
Date: Thu, 01 Aug 2024 10:57:02 -0700
From: syzbot <syzbot+5ea2845f44caa77f5543@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, axboe@...nel.dk, borntraeger@...ux.ibm.com, 
	david@...hat.com, frankja@...ux.ibm.com, imbrenda@...ux.ibm.com, 
	io-uring@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, linux-mm@...ck.org, pbonzini@...hat.com, 
	peterx@...hat.com, shuah@...nel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] WARNING in hpage_collapse_scan_pmd (2)

syzbot has bisected this issue to:

commit ef5b6a542b1dbb718226a5f8208be09ef405983d
Author: Paolo Bonzini <pbonzini@...hat.com>
Date:   Wed Nov 8 09:40:35 2023 +0000

    selftests: kvm/s390x: use vm_create_barebones()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14071cd3980000
start commit:   e67572cd2204 Linux 6.9-rc6
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16071cd3980000
console output: https://syzkaller.appspot.com/x/log.txt?x=12071cd3980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3310e643b6ef5d69
dashboard link: https://syzkaller.appspot.com/bug?extid=5ea2845f44caa77f5543
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10874a40980000

Reported-by: syzbot+5ea2845f44caa77f5543@...kaller.appspotmail.com
Fixes: ef5b6a542b1d ("selftests: kvm/s390x: use vm_create_barebones()")

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