syzbot has bisected this issue to: commit 5904de0d735bbb3b4afe9375c5b4f9748f882945 Author: Chen Yu <yu.c.chen@xxxxxxxxx> Date: Fri Apr 14 12:10:42 2023 +0000 PM: hibernate: Do not get block device exclusively in test_resume mode bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1275be4ba80000 start commit: 4853c74bd7ab Merge tag 'parisc-for-6.5-rc7' of git://git.k.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1175be4ba80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1675be4ba80000 kernel config: https://syzkaller.appspot.com/x/.config?x=aa796b6080b04102 dashboard link: https://syzkaller.appspot.com/bug?extid=38d04642cea49f3a3d2e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=171242cfa80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17934703a80000 Reported-by: syzbot+38d04642cea49f3a3d2e@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 5904de0d735b ("PM: hibernate: Do not get block device exclusively in test_resume mode") For information about bisection process see: https://goo.gl/tpsmEJ#bisection