rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=c3d4/1/0x4000000000000000 softirq=106486/106486 fqs=4961
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1035248          0            0
rcu: 	cputime:    35348      17141           87   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=90269 q=3131 ncpus=2)
CPU: 0 UID: 0 PID: 20974 Comm: syz.1.5724 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:stack_trace_consume_entry+0x136/0x280
Code: 48 89 de 49 89 37 41 8b 18 41 0f b6 44 15 00 84 c0 0f 85 34 01 00 00 41 3b 1e 0f 92 c0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f <5d> e9 44 09 b1 09 cc 44 89 c1 80 e1 07 80 c1 03 38 c1 0f 8c e6 fe
RSP: 0018:ffffc900000076b8 EFLAGS: 00000296
RAX: 0000000000000001 RBX: ffffc90000007780 RCX: ff3ef595b325f000
RDX: dffffc0000000000 RSI: ffffffff81000130 RDI: ffffc90000007780
RBP: 1ffff92000000ef2 R08: ffffc90000007790 R09: 000000000000001b
R10: ffffc90000007718 R11: ffffffff81ada120 R12: ffff88810b30ba80
R13: 0000000000000000 R14: ffffffff81ada120 R15: ffffc900000076c8
FS:  00007fba69ced6c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2cddf9 CR3: 00000001aec4c000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x110/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kmem_cache_free+0x197/0x620
 skb_release_data+0x62d/0x7c0
 consume_skb+0x9e/0xf0
 mac80211_hwsim_beacon_tx+0x3e8/0x870
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x180
 __hrtimer_run_queues+0x51c/0xc30
 hrtimer_run_softirq+0x187/0x2b0
 handle_softirqs+0x27d/0x850
 __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 10 00 00 00 74 64 bf 01 00 00 00 e8 ab 16 34 f6 e8 46 94 6c f6 fb bf 01 00 00 00 <e8> 1b a8 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90009ce7980 EFLAGS: 00000282
RAX: ff3ef595b325f000 RBX: 0000000000000000 RCX: ff3ef595b325f000
RDX: 0000000000000006 RSI: ffffffff8d792409 RDI: 0000000000000001
RBP: ffffc90009ce7a30 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200139cf30
 irqentry_exit+0x5d8/0x660
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:rht_unlock+0x188/0x1d0
Code: 21 e8 dc 74 48 f8 e8 57 3a ba f7 eb 8b e8 d0 74 48 f8 e8 8b 84 e2 01 48 85 db 74 de e8 c1 74 48 f8 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 65 48 8b 05 77 72 05 09 48 3b 44 24 40
RSP: 0018:ffffc90009ce7b40 EFLAGS: 00000287
RAX: ffffffff89793d8f RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9002306d000 RSI: 0000000000000041 RDI: 0000000000000042
RBP: ffffc90009ce7bd0 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: dffffc0000000000
R13: 1ffff9200139cf68 R14: 0000000000000000 R15: ffff88811390d741
 netlink_release+0x5e7/0x1ac0
 sock_close+0xc3/0x240
 __fput+0x44c/0xa70
 fput_close_sync+0x113/0x220
 __x64_sys_close+0x7f/0x110
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fba68d8f7c9
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:00007fba69ced038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fba68fe5fa0 RCX: 00007fba68d8f7c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fba68df297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fba68fe6038 R14: 00007fba68fe5fa0 R15: 00007ffc416c2798
 </TASK>
sched: DL replenish lagged too much
