linux-kernel - Re: [syzbot] [reiserfs?] possible deadlock in do_page

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Message-ID: <00000000000044ad2b06132f53c2@google.com>
Date: Fri, 08 Mar 2024 16:24:01 -0800
From: syzbot <syzbot+ff866d16791d4984b3c7@...kaller.appspotmail.com>
To: axboe@...nel.dk, brauner@...nel.org, hdanton@...a.com, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	reiserfs-devel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [reiserfs?] possible deadlock in do_page_mkwrite

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=11595c8e180000
start commit:   33cc938e65a9 Linux 6.7-rc4
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b45dfd882e46ec91
dashboard link: https://syzkaller.appspot.com/bug?extid=ff866d16791d4984b3c7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1048c7c2e80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=161fa8ace80000

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