rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10453 ticks this GP) idle=f48c/1/0x4000000000000000 softirq=14284/14286 fqs=5232
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1393828        596            0
rcu: 	cputime:    29796      22680           38   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=10073 q=3441 ncpus=2)
CPU: 1 UID: 0 PID: 6258 Comm: syz.0.114 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:rcu_is_watching+0x9/0xb0
Code: 34 03 eb cc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 <65> ff 05 30 60 4e 11 e8 9b fc e4 09 89 c3 83 f8 08 73 65 49 bf 00
RSP: 0018:ffffc90000a08558 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff81b0ed3a RCX: ffff888117951d00
RDX: 00000000a42637f2 RSI: ffffffff8df5fbe0 RDI: ffffffff8c076d00
RBP: dffffc0000000000 R08: ffffffff8175b995 R09: ffffffff8e560120
R10: ffffc90000a08698 R11: ffffffff81af6830 R12: 1ffff920001410c9
R13: ffffc90000a08680 R14: ffffc90000a08648 R15: ffffffff8175b995
FS:  00007f1e5cedd6c0(0000) GS:ffff8882a96a4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000104780000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xd4/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x384/0x690
 __alloc_skb+0x1d0/0x7d0
 __netdev_alloc_skb+0xc1/0x810
 __ieee80211_beacon_get+0xc06/0x1880
 ieee80211_beacon_get_tim+0xbd/0x2c0
 mac80211_hwsim_beacon_tx+0x3c5/0x870
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x180
 __hrtimer_run_queues+0x53a/0xcc0
 hrtimer_run_softirq+0x187/0x2b0
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:smp_call_function_many_cond+0xbb2/0x12c0
Code: 8e 48 c1 e8 03 42 80 3c 28 00 74 0c 48 c7 c7 28 27 3b 8e e8 70 49 74 00 4c 8b 1d 51 24 83 0c 48 8b 7c 24 50 2e e8 fe 16 d9 09 <bf> 02 00 00 00 8b 5c 24 6c 89 de e8 4e bd 0b 00 83 fb 01 0f 87 a0
RSP: 0018:ffffc900086ff460 EFLAGS: 00000206
RAX: 00000000000000fb RBX: 0000000000000000 RCX: 0000000000000830
RDX: 0000000000000000 RSI: 00000000000000fb RDI: 0000000000000000
RBP: ffffc900086ff5a0 R08: ffffffff8ff0e0b7 R09: 1ffffffff1fe1c16
R10: dffffc0000000000 R11: ffffffff81732380 R12: ffff88823c63bf80
R13: dffffc0000000000 R14: 1ffff11024208501 R15: 0000000000000000
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0xb5f/0x1160
 __static_call_transform+0x4ff/0x790
 arch_static_call_transform+0x98/0xc0
 __static_call_update+0xf2/0x620
 tracepoint_add_func+0x85e/0xa50
 tracepoint_probe_register+0x5d/0x90
 perf_trace_event_init+0x4e1/0x9d0
 perf_trace_init+0x23d/0x2d0
 perf_tp_event_init+0x8d/0x120
 perf_try_init_event+0x17f/0x870
 perf_event_alloc+0x1444/0x2e30
 __se_sys_perf_event_open+0x7a9/0x1d60
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1e5bf9acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1e5cedd028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f1e5c215fa0 RCX: 00007f1e5bf9acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f1e5c008bf7 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1e5c216038 R14: 00007f1e5c215fa0 R15: 00007ffde848bef8
 </TASK>
sched: DL replenish lagged too much
