rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P18277
rcu: 	(detected by 1, t=10502 jiffies, g=156865, q=565 ncpus=2)
task:syz.3.2790      state:R  running task     stack:25648 pid:18277 tgid:18275 ppid:17251  flags:0x00004002
Call Trace:
 <IRQ>
 sched_show_task+0x506/0x6d0 kernel/sched/core.c:7432
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:262 [inline]
 print_other_cpu_stall+0x11f9/0x15a0 kernel/rcu/tree_stall.h:639
 check_cpu_stall kernel/rcu/tree_stall.h:799 [inline]
 rcu_pending kernel/rcu/tree.c:4343 [inline]
 rcu_sched_clock_irq+0xa2c/0x10d0 kernel/rcu/tree.c:2670
 update_process_times+0x1ce/0x230 kernel/time/timer.c:2485
 tick_sched_handle kernel/time/tick-sched.c:276 [inline]
 tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x551/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389
Code: 8b e8 04 3e 56 0a 65 66 8b 05 24 8c ac 7e 66 85 c0 75 5d bf 01 00 00 00 e8 7d a4 0b 00 e8 08 90 43 00 fb 65 8b 05 e8 8b ac 7e <85> c0 75 05 e8 17 6b a9 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc900091ef840 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 1ffff9200123df0c RCX: ffffffff94ce7903
RDX: dffffc0000000000 RSI: ffffffff8bead560 RDI: ffffffff8c3f9080
RBP: ffffc900091ef8f0 R08: ffffffff8ff69def R09: 1ffffffff1fed3bd
R10: dffffc0000000000 R11: fffffbfff1fed3be R12: dffffc0000000000
R13: 1ffff9200123df10 R14: ffffc900091ef880 R15: 0000000000000200
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 bpf_test_run+0x56b/0xa90 net/bpf/test_run.c:436
 bpf_prog_test_run_skb+0xc97/0x1820 net/bpf/test_run.c:1094
 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4313
 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5728
 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31353779f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f313620b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3135505f80 RCX: 00007f31353779f9
RDX: 0000000000000050 RSI: 00000000200002c0 RDI: 000000000000000a
RBP: 00007f31353e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3135505f80 R15: 00007fff9f6f9a08
 </TASK>
rcu: rcu_preempt kthread starved for 10445 jiffies! g156865 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:24560 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111