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Date: Fri, 23 Feb 2024 08:46:03 -0800
From: syzbot <syzbot+5184326923f180b9d11a@...kaller.appspotmail.com>
To: axboe@...nel.dk, brauner@...nel.org, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	reiserfs-devel@...r.kernel.org, rkovhaev@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [reiserfs?] KASAN: null-ptr-deref Read in fix_nodes

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=14c5b3f0180000
start commit:   a4aebe936554 posix-timers: Get rid of [COMPAT_]SYS_NI() uses
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=671af399e2dac0e3
dashboard link: https://syzkaller.appspot.com/bug?extid=5184326923f180b9d11a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10a4c8cee80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17a59e11e80000

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

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