rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P23690/1:b.el
rcu: 	(detected by 0, t=10502 jiffies, g=125925, q=2623 ncpus=2)
task:syz.2.4653      state:R  running task     stack:22632 pid:23690 ppid:17415  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1553/0x45a0 kernel/sched/core.c:6700
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __local_bh_enable_ip+0x14b/0x1c0 kernel/softirq.c:413
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 bpf_test_run+0x3dd/0x870 net/bpf/test_run.c:425
 bpf_prog_test_run_skb+0xdc8/0x18c0 net/bpf/test_run.c:1089
 bpf_prog_test_run+0x321/0x390 kernel/bpf/syscall.c:4132
 __sys_bpf+0x49d/0x890 kernel/bpf/syscall.c:5495
 __do_sys_bpf kernel/bpf/syscall.c:5581 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5579 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5579
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ffb2d19ce59
RSP: 002b:00007ffb2dfe1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ffb2d415fa0 RCX: 00007ffb2d19ce59
RDX: 0000000000000050 RSI: 00002000000003c0 RDI: 000000000000000a
RBP: 00007ffb2d232d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffb2d416038 R14: 00007ffb2d415fa0 R15: 00007fffc8729598
 </TASK>