linux-kernel - Re: [syzbot] [reiserfs?] divide error in do_journal

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Message-ID: <0000000000005d6c8106118789ea@google.com>
Date: Fri, 16 Feb 2024 14:48:03 -0800
From: syzbot <syzbot+74b838cfa47fc9554471@...kaller.appspotmail.com>
To: axboe@...nel.dk, brauner@...nel.org, bvanassche@....org, jack@...e.cz, 
	jlayton@...nel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, reiserfs-devel@...r.kernel.org, song@...nel.org, 
	syzkaller-bugs@...glegroups.com, willy@...radead.org, yi.zhang@...wei.com
Subject: Re: [syzbot] [reiserfs?] divide error in do_journal_end (3)

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@...e.cz>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15009b1c180000
start commit:   610a9b8f49fb Linux 6.7-rc8
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=655f8abe9fe69b3b
dashboard link: https://syzkaller.appspot.com/bug?extid=74b838cfa47fc9554471
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=177f6ca1e80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11e6349ae80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: Block writes to mounted block devices

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