rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10540 jiffies, g=8865, q=1906)
rcu: All QSes seen, last rcu_preempt kthread activity 10540 (4294966063-4294955523), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10540 jiffies! g8865 f0x2 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:29304 pid:   13 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x902/0x26a0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x11d/0x250 kernel/time/timer.c:1879
 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline]
 rcu_gp_kthread+0xd34/0x1980 kernel/rcu/tree.c:2169
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-crypt-wg2 wg_packet_encrypt_worker
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x45/0x59 lib/dump_stack.c:105
 nmi_cpu_backtrace.cold+0x30/0x99 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x11f/0x170 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_check_gp_kthread_starvation.cold+0x1d1/0x1d6 kernel/rcu/tree_stall.h:479
 print_other_cpu_stall kernel/rcu/tree_stall.h:584 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:709 [inline]
 rcu_pending kernel/rcu/tree.c:3922 [inline]
 rcu_sched_clock_irq+0x2001/0x20c0 kernel/rcu/tree.c:2641
 update_process_times+0x13b/0x1c0 kernel/time/timer.c:1783
 tick_sched_handle+0x6f/0x130 kernel/time/tick-sched.c:226
 tick_sched_timer+0x132/0x210 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x18a/0xb00 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x2f9/0x920 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x30/0x180 mm/kasan/generic.c:189
Code: 01 00 00 49 89 f9 41 54 44 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 0f 86 05 01 00 00 <49> 83 e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1
RSP: 0018:ffffc90000007880 EFLAGS: 00000216
RAX: ffff7fffffffffff RBX: 0000000000000000 RCX: ffffffff87a764a6
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8c5b0dd0
RBP: ffff8880418f4c10 R08: 0000000000000000 R09: ffffffff8c5b0dd8
R10: fffffbfff18b61ba R11: 0000000000005050 R12: ffff88802de70580
R13: 0000000000000080 R14: ffffffff89b5f644 R15: 0000000000000008
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
 cpu_online include/linux/cpumask.h:895 [inline]
 trace_cfg80211_return_bool net/wireless/trace.h:2621 [inline]
 cfg80211_rx_mgmt_khz+0x5e6/0x890 net/wireless/mlme.c:780
 ieee80211_rx_h_userspace_mgmt net/mac80211/rx.c:3530 [inline]
 ieee80211_rx_handlers+0x5787/0x99f0 net/mac80211/rx.c:3870
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3904 [inline]
 ieee80211_prepare_and_rx_handle+0x1a78/0x4de0 net/mac80211/rx.c:4618
 __ieee80211_rx_handle_packet net/mac80211/rx.c:4716 [inline]
 ieee80211_rx_list+0x723/0x2290 net/mac80211/rx.c:4900
 ieee80211_rx_napi+0xbb/0x330 net/mac80211/rx.c:4923
 ieee80211_rx include/net/mac80211.h:4552 [inline]
 ieee80211_tasklet_handler+0xe9/0x100 net/mac80211/main.c:235
 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:783
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 do_softirq.part.0+0xcd/0x110 kernel/softirq.c:459
 </IRQ>
 do_softirq kernel/softirq.c:451 [inline]
 __local_bh_enable_ip+0x102/0x120 kernel/softirq.c:383
 spin_unlock_bh include/linux/spinlock.h:399 [inline]
 ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
 wg_packet_encrypt_worker+0x21b/0xb90 drivers/net/wireguard/send.c:293
 process_one_work+0x84c/0x13d0 kernel/workqueue.c:2276
 worker_thread+0x598/0x1040 kernel/workqueue.c:2422
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295