Re: [syzbot] [reiserfs?] possible deadlock in do_page_mkwrite

From: syzbot
Date: Fri Mar 08 2024 - 19:24:16 EST


syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@xxxxxxx>
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