linux-kernel - Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_journal_toggle

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Message-ID: <67725a09.050a0220.2f3838.04bb.GAE@google.com>
Date: Mon, 30 Dec 2024 00:30:01 -0800
From: syzbot <syzbot+ea8d1726e1e3367085ce@...kaller.appspotmail.com>
To: axboe@...nel.dk, djwong@...nel.org, hch@....de, jack@...e.cz, 
	jlbec@...lplan.org, joseph.qi@...ux.alibaba.com, linux-kernel@...r.kernel.org, 
	mark@...heh.com, ocfs2-devel@...ts.linux.dev, ocfs2-devel@....oracle.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_journal_toggle_dirty

syzbot has bisected this issue to:

commit 98ded54a33839e7b8f8bed772e01a544f48e33a7
Author: Christoph Hellwig <hch@....de>
Date:   Wed Mar 30 05:29:10 2022 +0000

    loop: remove the racy bd_inode->i_mapping->nrpages asserts

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=144cf0b0580000
start commit:   48f506ad0b68 Merge tag 'soc-fixes-6.13-2' of git://git.ker..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=164cf0b0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=124cf0b0580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6a2b862bf4a5409f
dashboard link: https://syzkaller.appspot.com/bug?extid=ea8d1726e1e3367085ce
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=146998c4580000

Reported-by: syzbot+ea8d1726e1e3367085ce@...kaller.appspotmail.com
Fixes: 98ded54a3383 ("loop: remove the racy bd_inode->i_mapping->nrpages asserts")

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