rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P12526/1:b..l
	(detected by 1, t=10503 jiffies, g=51673, q=398)
task:syz.7.2086      state:R  running task     stack:25024 pid:12526 ppid:  9217 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11bb/0x4390 kernel/sched/core.c:6395
 preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6799
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:bpf_prog_2474716f3cb1c160+0x0/0xab4
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <0f> 1f 44 00 00 66 90 55 48 89 e5 31 c0 e8 62 0c df e7 48 bf 00 e8
RSP: 0018:ffffc90002edfaf8 EFLAGS: 00000246
RAX: ffffc900010de030 RBX: ffffc90002edfd44 RCX: 0000000000000001
RDX: 1ffffffff1dda600 RSI: ffffc900010de048 RDI: ffff88802b3d8640
RBP: ffffc90002edfc90 R08: ffffffff8eed3008 R09: ffffffff8eed3018
R10: ffffffff8eed3010 R11: ffffffff8eed3003 R12: ffffc90002edfd40
R13: ffffc900010de030 R14: dffffc0000000000 R15: 0000000000000000
 bpf_prog_test_run_skb+0x9cc/0x1180 net/bpf/test_run.c:669
 bpf_prog_test_run+0x31e/0x390 kernel/bpf/syscall.c:3374
 __sys_bpf+0x535/0x670 kernel/bpf/syscall.c:4675
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f75060376c9
RSP: 002b:00007f750429e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f750628dfa0 RCX: 00007f75060376c9
RDX: 000000000000004c RSI: 0000200000000240 RDI: 000000000000000a
RBP: 00007f75060b9f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f750628e038 R14: 00007f750628dfa0 R15: 00007fff8a3372d8
 </TASK>