syzbot suspects this issue was fixed by commit:
commit 96017bf9039763a2e02dcc6adaa18592cd73a39d
Author: Paul E. McKenney <paulmck@xxxxxxxxxx>
Date: Wed Jul 28 17:53:41 2021 +0000
rcu-tasks: Simplify trc_read_check_handler() atomic operations
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1281d89db00000
start commit: 5319255b8df9 selftests/bpf: Skip verifier tests that fail ..
git tree: bpf-next
kernel config: https://syzkaller.appspot.com/x/.config?x=9290a409049988d4
dashboard link: https://syzkaller.appspot.com/bug?extid=fe9d8c955bd1d0f02dc1
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14990477300000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105ebd84b00000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: rcu-tasks: Simplify trc_read_check_handler() atomic operations
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
