syzbot has bisected this issue to: commit 487c607df790d366e67a7d6a30adf785cdd98e55 Author: Christoph Hellwig <hch@xxxxxx> Date: Tue Aug 1 17:22:00 2023 +0000 block: use iomap for writes to block devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1086cb74680000 start commit: f0b0d403eabb Merge tag 'kbuild-fixes-v6.6' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1286cb74680000 console output: https://syzkaller.appspot.com/x/log.txt?x=1486cb74680000 kernel config: https://syzkaller.appspot.com/x/.config?x=999148c170811772 dashboard link: https://syzkaller.appspot.com/bug?extid=1fa947e7f09e136925b8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16148d74680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e10762680000 Reported-by: syzbot+1fa947e7f09e136925b8@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 487c607df790 ("block: use iomap for writes to block devices") For information about bisection process see: https://goo.gl/tpsmEJ#bisection