syzbot has bisected this issue to: commit f902b02600028dfc0c9df811eb711ac7d7fca09f Author: Christoph Hellwig <hch@xxxxxx> Date: Thu Nov 14 14:34:32 2019 +0000 block: refactor rescan_partitions bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166889b2300000 start commit: 90d856e71443 Add linux-next specific files for 20210723 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=156889b2300000 console output: https://syzkaller.appspot.com/x/log.txt?x=116889b2300000 kernel config: https://syzkaller.appspot.com/x/.config?x=298516715f6ad5cd dashboard link: https://syzkaller.appspot.com/bug?extid=fcdd69a8426baab36109 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=146b2066300000 Reported-by: syzbot+fcdd69a8426baab36109@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: f902b0260002 ("block: refactor rescan_partitions") For information about bisection process see: https://goo.gl/tpsmEJ#bisection