linux-kernel - Re: [syzbot] BUG: Bad rss-counter state (5)

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: Fri, 14 Jun 2024 08:12:04 -0700
From: syzbot <syzbot+f2bbbb592debc978d46d@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, baolin.wang@...ux.alibaba.com, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] BUG: Bad rss-counter state (5)

syzbot has bisected this issue to:

commit 1c05047ad01693ad92bdf8347fad3b5c2b25e8bb
Author: Baolin Wang <baolin.wang@...ux.alibaba.com>
Date:   Tue Jun 4 10:17:45 2024 +0000

    mm: memory: extend finish_fault() to support large folio

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=106e8e56980000
start commit:   d35b2284e966 Add linux-next specific files for 20240607
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=126e8e56980000
console output: https://syzkaller.appspot.com/x/log.txt?x=146e8e56980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d8bf5cd6bcca7343
dashboard link: https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17f57a36980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10a57696980000

Reported-by: syzbot+f2bbbb592debc978d46d@...kaller.appspotmail.com
Fixes: 1c05047ad016 ("mm: memory: extend finish_fault() to support large folio")

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