rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10495 ticks this GP) idle=2fdc/1/0x4000000000000000 softirq=14845/15255 fqs=5203
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1209776       1366            0
rcu: 	cputime:    33927      18556           45   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=8397 q=3128 ncpus=2)
CPU: 1 UID: 0 PID: 5995 Comm: syz.2.24 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 4b e3 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001e02e8 EFLAGS: 00000206
RAX: 0756ef6236208500 RBX: 0000000000000000 RCX: 0756ef6236208500
RDX: 0000000000000000 RSI: ffffffff8dba5cac RDI: ffffffff8be33300
RBP: ffffffff82160a2b R08: 0000000000000000 R09: ffffffff82160a2b
R10: dffffc0000000000 R11: fffff5200003c060 R12: 0000000000000000
R13: ffff888136640018 R14: 0000000000000001 R15: 0000000000000246
FS:  00007f1e88c836c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556b38f5c8 CR3: 000000011db1c000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 _raw_spin_trylock+0x47/0x80
 get_page_from_freelist+0x63b/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 allocate_slab+0x8a/0x370
 ___slab_alloc+0xbeb/0x1410
 kmem_cache_alloc_node_noprof+0x280/0x3c0
 kmalloc_reserve+0xbd/0x290
 __alloc_skb+0x142/0x2d0
 __netdev_alloc_skb+0x108/0x970
 __ieee80211_beacon_get+0xc06/0x1880
 ieee80211_beacon_get_tim+0xb4/0x2b0
 mac80211_hwsim_beacon_tx+0x3ce/0x860
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 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:depot_fetch_stack+0x5b/0xa0
Code: 83 f8 01 74 2c 44 39 f5 73 30 48 8b 05 96 79 df 14 89 e9 48 8b 04 c8 48 85 c0 74 43 c1 eb 0d 81 e3 f0 3f 00 00 83 7c 18 1c 00 <74> 39 48 01 d8 eb 24 90 0f 0b 90 44 39 f5 72 d0 90 48 c7 c7 cf a3
RSP: 0018:ffffc900043c7710 EFLAGS: 00000206
RAX: ffff888020ae4000 RBX: 0000000000000a50 RCX: 00000000000001e8
RDX: 0000000000000000 RSI: ffffffff8dba5cac RDI: ffffffff8be33300
RBP: 00000000000001e8 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: 0000000000000001
R13: 0000000000000000 R14: 00000000000002cc R15: 00000025a4eaba2c
 __reset_page_owner+0xd0/0x1f0
 __free_frozen_pages+0xbc4/0xd30
 pagetable_dtor_free+0x2d2/0x3b0
 __mmdrop+0xb5/0x580
 finish_task_switch+0x3ee/0x950
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:fd_install+0x5c/0x540
Code: 00 00 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 27 c2 e6 ff 4d 8b 3e 4d 8d 74 24 40 4c 89 f0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 91 04 00 00 41 8b 1e 89 de 81 e6 00 00 00 01 31 ff e8
RSP: 0018:ffffc900043c7cc0 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffff8880295f9cc0
RDX: 0000000000000000 RSI: ffff88811239aa00 RDI: 0000000000000005
RBP: dffffc0000000000 R08: ffffc900043c7c87 R09: 1ffff92000878f90
R10: dffffc0000000000 R11: fffff52000878f91 R12: ffff88811239aa00
R13: 0000000000000005 R14: ffff88811239aa40 R15: ffff888105a9ac00
 __se_sys_perf_event_open+0x1acd/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1e87d8ebe9
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:00007f1e88c83038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f1e87fb5fa0 RCX: 00007f1e87d8ebe9
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f1e87e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1e87fb6038 R14: 00007f1e87fb5fa0 R15: 00007ffc0dc91968
 </TASK>
