Re: [syzbot] [ext4?] kernel BUG in __ext4_journal_stop

From: syzbot
Date: Tue Jan 30 2024 - 01:22:19 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=12d23c97e80000
start commit: eeac8ede1755 Linux 6.3-rc2
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=dbab9019ad6fc418
dashboard link: https://syzkaller.appspot.com/bug?extid=bdab24d5bf96d57c50b0
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14e5a788c80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=141e64e2c80000

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