Re: [syzbot] [btrfs?] WARNING in btrfs_finish_one_ordered

From: syzbot
Date: Sat Nov 08 2025 - 03:13:17 EST


syzbot suspects this issue was fixed by commit:

commit 736bd9d2e35866a07f32d9884019e0431b0b50d8
Author: Qu Wenruo <wqu@xxxxxxxx>
Date: Fri Jul 4 09:38:03 2025 +0000

btrfs: restrict writes to opened btrfs devices

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ecb812580000
start commit: 374a7f47bf40 Merge tag '6.5-rc5-ksmbd-server' of git://git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=da6e201fec031cc0
dashboard link: https://syzkaller.appspot.com/bug?extid=6e54e639e7b934d64304
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17eef89da80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147c2fa5a80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: btrfs: restrict writes to opened btrfs devices

For information about bisection process see: https://goo.gl/tpsmEJ#bisection