syzbot has bisected this issue to: commit 09f110d4a1597185a5ed177da8573eec997b7227 Author: Paul E. McKenney <paulmck@xxxxxxxxxx> Date: Tue May 17 18:30:32 2022 +0000 rcu-tasks: Track blocked RCU Tasks Trace readers bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=170f6ee7f00000 start commit: 6d0c80680317 Add linux-next specific files for 20220610 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=148f6ee7f00000 console output: https://syzkaller.appspot.com/x/log.txt?x=108f6ee7f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=a30d6e3e814e5931 dashboard link: https://syzkaller.appspot.com/bug?extid=9bb26e7c5e8e4fa7e641 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177b6230080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=148207bff00000 Reported-by: syzbot+9bb26e7c5e8e4fa7e641@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 09f110d4a159 ("rcu-tasks: Track blocked RCU Tasks Trace readers") For information about bisection process see: https://goo.gl/tpsmEJ#bisection