rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=0444/1/0x4000000000000000 softirq=32716/32717 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1000995          0            0
rcu: 	cputime:    34864      17635           87   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=26901 q=591 ncpus=2)
CPU: 1 UID: 0 PID: 10659 Comm: syz.2.1406 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:unwind_next_frame+0xb13/0x2390
Code: 78 4d 8b 7e 08 49 8d 5e 10 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 74 08 48 89 df e8 5d bd b0 00 <48> 89 9c 24 88 00 00 00 49 8d 5c 24 f8 4d 8b 66 10 48 b8 00 00 00
RSP: 0018:ffffc900001e0698 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc900001e0778 RCX: ffffffff8fba6978
RDX: ffffffff9037e818 RSI: 0000000000000002 RDI: ffffffff8be336a0
RBP: 1ffff9200003c0ee R08: 0000000000000001 R09: ffffffff8172c195
R10: ffffc900001e07b8 R11: ffffffff81ac3930 R12: ffffc900001e0e00
R13: 1ffff9200003c0ef R14: ffffc900001e0768 R15: ffffc900001d9000
FS:  00007f9b3c9046c0(0000) GS:ffff8881a3c19000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002ba26000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000200000000380 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kmem_cache_free+0x18f/0x400
 mac80211_hwsim_beacon_tx+0x3f0/0x860
 __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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 fb 28 15 f6 e8 36 83 4c f6 fb bf 01 00 00 00 <e8> 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90004b4f8c0 EFLAGS: 00000282
RAX: 8dfa563cd0d0eb00 RBX: 0000000000000000 RCX: 8dfa563cd0d0eb00
RDX: 0000000000000000 RSI: ffffffff8d9b7306 RDI: 0000000000000001
RBP: ffffc90004b4f960 R08: ffffffff8fa38937 R09: 1ffffffff1f47126
R10: dffffc0000000000 R11: fffffbfff1f47127 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000969f18
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:filter_irq_stacks+0x32/0xa0
Code: 41 55 41 54 53 85 f6 74 70 49 89 fe 41 89 f4 31 db 49 bd 00 00 00 00 00 fc ff df 49 89 ff 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 ff e8 54 44 77 00 49 8b 04 de 48 3d 30 02 00 81 0f 93
RSP: 0018:ffffc90004b4fa28 EFLAGS: 00000246
RAX: 1ffff92000969f58 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000009 RDI: ffffc90004b4fac0
RBP: ffffc90004b4fce8 R08: 0000000000000000 R09: ffffffff81cea0b6
R10: ffffc90004b4f9d8 R11: ffffffff81ac3930 R12: 0000000000000009
R13: dffffc0000000000 R14: ffffc90004b4fac0 R15: ffffc90004b4fac0
 stack_depot_save_flags+0x40/0x860
 kasan_save_track+0x4f/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kmem_cache_free+0x18f/0x400
 __fput+0x6c2/0xa70
 fput_close_sync+0x119/0x200
 __x64_sys_close+0x7f/0x110
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9b3b98eba9
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:00007f9b3c904038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f9b3bbd5fa0 RCX: 00007f9b3b98eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f9b3ba11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9b3bbd6038 R14: 00007f9b3bbd5fa0 R15: 00007ffeb0193c48
 </TASK>
sched: DL replenish lagged too much
