syzbot has bisected this issue to: commit 310ee0902b8d9d0a13a5a13e94688a5863fa29c2 Author: Brian Foster <bfoster@xxxxxxxxxx> Date: Tue Mar 14 13:07:59 2023 +0000 ext4: allow concurrent unaligned dio overwrites bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10a8442a680000 start commit: 9ed22ae6be81 Merge tag 'spi-fix-v6.6-rc3' of git://git.ker.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=12a8442a680000 console output: https://syzkaller.appspot.com/x/log.txt?x=14a8442a680000 kernel config: https://syzkaller.appspot.com/x/.config?x=12da82ece7bf46f9 dashboard link: https://syzkaller.appspot.com/bug?extid=307da6ca5cb0d01d581a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15eb672e680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16219bc6680000 Reported-by: syzbot+307da6ca5cb0d01d581a@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 310ee0902b8d ("ext4: allow concurrent unaligned dio overwrites") For information about bisection process see: https://goo.gl/tpsmEJ#bisection