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