linux-kernel - Re: [syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbSplit

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Date: Tue, 06 Feb 2024 01:31:04 -0800
From: syzbot <syzbot+8c777e17f74c66068ffa@...kaller.appspotmail.com>
To: axboe@...nel.dk, brauner@...nel.org, ghandatmanas@...il.com, jack@...e.cz, 
	jfs-discussion@...ts.sourceforge.net, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, mushi.shar@...il.com, shaggy@...nel.org, 
	syzkaller-bugs@...glegroups.com, syzkaller@...glegroups.com
Subject: Re: [syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbSplit

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=110ffd6c180000
start commit:   708283abf896 Merge tag 'dmaengine-6.6-rc1' of git://git.ke..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=26188a62745981b4
dashboard link: https://syzkaller.appspot.com/bug?extid=8c777e17f74c66068ffa
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=138fb834680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1399c448680000

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