rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P8558
rcu: 	(detected by 1, t=10502 jiffies, g=177777, q=2103 ncpus=2)
task:syz.6.10495     state:R  running task     stack:26128 pid:8558  tgid:8556  ppid:8180   task_flags:0x400140 flags:0x0000400e
Call Trace:
 <IRQ>
 sched_show_task+0x49d/0x630
 print_other_cpu_stall+0xf7a/0x1340
 rcu_sched_clock_irq+0xa47/0x11b0
 update_process_times+0x23c/0x2f0
 tick_nohz_handler+0x39a/0x520
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kcov_remote_start+0x2e/0x7f0
Code: 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 65 4c 8b 34 25 08 60 9f 92 48 b8 00 00 00 00 ff ff ff 00 48 85 c7 74 18 90 0f 0b 90 <48> 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 89
RSP: 0018:ffffc900001e09b0 EFLAGS: 00000206
RAX: a0639ab0a2b5cf00 RBX: 0000000000000246 RCX: a0639ab0a2b5cf00
RDX: 0000000000000000 RSI: ffffffff8d9b163e RDI: ffffffff8be2fd00
RBP: ffffc900001e0c10 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: 0000000000000000
R13: ffffffff81bfa897 R14: ffff888020519cc0 R15: 0000000000000000
 ieee80211_rx_list+0x52c/0x2a90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 tasklet_action_common+0x36c/0x580
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 6f e1 e8 09 e8 1a 28 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90006847378 EFLAGS: 00000286
RAX: a0639ab0a2b5cf00 RBX: 0000000000000000 RCX: a0639ab0a2b5cf00
RDX: 0000000000000000 RSI: ffffffff8d9b163e RDI: ffffffff8be2fd00
RBP: ffffc900068473d0 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: ffff888020519cc0
R13: dffffc0000000000 R14: ffff88801d771cc0 R15: ffff88813663ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x374/0x2390
Code: ea 48 01 d2 48 01 f2 48 bd 00 00 00 00 00 fc ff df 0f 84 37 01 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 6d 19 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90006847778 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff8fbf3900 RCX: ffffffff8fbf3904
RDX: ffffffff903f402c RSI: ffffffff903f402c RDI: ffffffff8be2fca0
RBP: dffffc0000000000 R08: 0000000000000009 R09: ffffffff8172c025
R10: ffffc90006847520 R11: ffffffff81ac34b0 R12: ffffffff903f4030
R13: ffffffff903f4031 R14: ffffc90006847848 R15: ffffffff8fbf3900
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x230/0x3d0
 btf_new_fd+0x137/0xc90
 __sys_bpf+0x406/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa46138ebe9
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:00007fa4622ad038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fa4615b6090 RCX: 00007fa46138ebe9
RDX: 0000000000000028 RSI: 0000200000000140 RDI: 0000000000000012
RBP: 00007fa461411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa4615b6128 R14: 00007fa4615b6090 R15: 00007ffdeea90858
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 74613735762 wd_nsec: 74613737480
