rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P15
rcu: 	(detected by 0, t=10502 jiffies, g=17177, q=1273 ncpus=2)
task:ksoftirqd/0     state:R  running task     stack:22456 pid:15    tgid:15    ppid:2      task_flags:0x4208040 flags:0x00080000
Call Trace:
 <IRQ>
 sched_show_task+0x4aa/0x5f0 kernel/sched/core.c:8220
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:292 [inline]
 print_other_cpu_stall+0xfbf/0x1350 kernel/rcu/tree_stall.h:683
 check_cpu_stall kernel/rcu/tree_stall.h:860 [inline]
 rcu_pending kernel/rcu/tree.c:3744 [inline]
 rcu_sched_clock_irq+0x9fe/0x10e0 kernel/rcu/tree.c:2749
 update_process_times+0x234/0x2d0 kernel/time/timer.c:2475
 tick_sched_handle kernel/time/tick-sched.c:296 [inline]
 tick_nohz_handler+0x38f/0x6b0 kernel/time/tick-sched.c:317
 __run_hrtimer kernel/time/hrtimer.c:2067 [inline]
 __hrtimer_run_queues+0x3a0/0xaf0 kernel/time/hrtimer.c:2124
 hrtimer_interrupt+0x4c2/0xa80 kernel/time/hrtimer.c:2243
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:check_kcov_mode kernel/kcov.c:179 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4a/0x80 kernel/kcov.c:213
Code: be 00 01 00 00 23 b1 fc 0b 00 00 09 f7 74 1d 85 f6 74 45 81 fa ff ff ff 0f 77 3d 81 e2 00 00 00 0f 75 35 83 b9 24 17 00 00 00 <74> 2c 8b 91 f8 16 00 00 83 fa 02 75 21 48 8b 91 00 17 00 00 48 8b
RSP: 0018:ffffc900001472d0 EFLAGS: 00000246
RAX: ffffffff81c864d8 RBX: 0000000000000004 RCX: ffff88801ce81f40
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000100
RBP: 00000000000002f4 R08: ffff88801ce81f40 R09: 0000000000000020
R10: 0000000000000100 R11: 000000000000001f R12: dffffc0000000000
R13: 00000000000002f4 R14: ffff888025f0d304 R15: 0000000000039564
 rb_event_length+0x148/0x400 kernel/trace/ring_buffer.c:213
 rb_read_data_buffer+0xe2/0x5b0 kernel/trace/ring_buffer.c:1918
 check_buffer+0x288/0x860 kernel/trace/ring_buffer.c:4742
 __rb_reserve_next+0x549/0xdd0 kernel/trace/ring_buffer.c:4843
 rb_reserve_next_event kernel/trace/ring_buffer.c:4980 [inline]
 ring_buffer_lock_reserve+0xc0d/0x10c0 kernel/trace/ring_buffer.c:5039
 __trace_buffer_lock_reserve kernel/trace/trace.h:1676 [inline]
 trace_event_buffer_lock_reserve+0x1d4/0x700 kernel/trace/trace.c:1924
 trace_event_buffer_reserve+0x1ef/0x2d0 kernel/trace/trace_events.c:715
 do_trace_event_raw_event_lock_acquire include/trace/events/lock.h:23 [inline]
 trace_event_raw_event_lock_acquire+0x12c/0x2e0 include/trace/events/lock.h:23
 __do_trace_lock_acquire include/trace/events/lock.h:23 [inline]
 trace_lock_acquire include/trace/events/lock.h:23 [inline]
 lock_acquire+0x303/0x350 kernel/locking/lockdep.c:5871
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 rt_spin_lock+0x1fe/0x400 kernel/locking/spinlock_rt.c:57
 spin_lock include/linux/spinlock_rt.h:45 [inline]
 kcov_remote_start+0x13c/0x730 kernel/kcov.c:907
 kcov_remote_start_common include/linux/kcov.h:48 [inline]
 ieee80211_rx_list+0x7c3/0x3b40 net/mac80211/rx.c:5702
 ieee80211_rx_napi+0x1ad/0x3d0 net/mac80211/rx.c:5743
 ieee80211_rx include/net/mac80211.h:5449 [inline]
 ieee80211_handle_queued_frames+0xe4/0x1d0 net/mac80211/main.c:452
 tasklet_action_common+0x31c/0x600 kernel/softirq.c:970
 handle_softirqs+0x1da/0x6d0 kernel/softirq.c:645
 run_ksoftirqd+0x53/0x190 kernel/softirq.c:1108
 smpboot_thread_fn+0x565/0xa70 kernel/smpboot.c:160
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>