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

From: syzbot
Date: Thu Jun 08 2023 - 04:40:50 EST


syzbot has bisected this issue to:

commit b73a6fd1b1efd799c6e3d14a922887f4453fea17
Author: Boris Burkov <boris@xxxxxx>
Date: Tue Mar 28 05:19:57 2023 +0000

btrfs: split partial dio bios before submit

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b24d59280000
start commit: a27648c74210 afs: Fix setting of mtime when creating a fil..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=10724d59280000
console output: https://syzkaller.appspot.com/x/log.txt?x=17b24d59280000
kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
dashboard link: https://syzkaller.appspot.com/bug?extid=ee90502d5c8fd1d0dd93
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=120b88fd280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e6a23b280000

Reported-by: syzbot+ee90502d5c8fd1d0dd93@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: b73a6fd1b1ef ("btrfs: split partial dio bios before submit")

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