clocksource: Long readout interval, skipping watchdog check: cs_nsec: 89041648451 wd_nsec: 89041650525
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1547 ticks this GP) idle=db9c/1/0x4000000000000000 softirq=15998/15998 fqs=3608
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   250882          3            0
rcu: 	cputime:    10732       4727           18   ==> 15460(ms)
rcu: 	(t=10500 jiffies g=7065 q=4938 ncpus=2)
CPU: 1 UID: 0 PID: 6015 Comm: syz.0.31 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+0xa9/0x360
Code: b4 24 90 00 00 00 4c 89 ef e8 d3 fd 85 00 83 3d 2c 55 06 0e 00 0f 84 fa 00 00 00 65 8b 05 df 44 03 11 85 c0 0f 85 eb 00 00 00 <65> 48 8b 04 25 08 60 a0 92 83 b8 ec 0a 00 00 00 0f 85 d5 00 00 00
RSP: 0018:ffffc900001df970 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ea39998185d5c200
RDX: 0000000000000000 RSI: ffffffff81cebbf7 RDI: 1ffffffff1c273cc
RBP: ffffffff81cebbd6 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc900001dfaf8 R11: ffffffff81ac3880 R12: 0000000000000002
R13: ffffffff8e139e60 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f5bd3dd66c0(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555566574808 CR3: 000000002a8ce000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000090602
Call Trace:
 <IRQ>
 is_bpf_text_address+0x47/0x2b0
 kernel_text_address+0xa5/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 ieee802_11_parse_elems_full+0x152/0x2ab0
 ieee80211_inform_bss+0x10c/0x10a0
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x201c/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: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 e8 14 f6 e8 06 53 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:ffffc9000458fac0 EFLAGS: 00000282
RAX: ea39998185d5c200 RBX: 0000000000000000 RCX: ea39998185d5c200
RDX: 0000000000000007 RSI: ffffffff8d9b6cef RDI: 0000000000000001
RBP: ffffc9000458fb60 R08: ffffffff8fa37f37 R09: 1ffffffff1f46fe6
R10: dffffc0000000000 R11: fffffbfff1f46fe7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920008b1f58
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_thunk+0x5/0x30
Code: c0 00 58 80 8b e9 0b 05 49 0a cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 57 <56> 52 51 50 41 50 41 51 41 52 41 53 e8 2a 48 47 0a 41 5b 41 5a 41
RSP: 0018:ffffc9000458fc28 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888021fec470 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000458fc30 R08: ffff888021fec477 R09: 1ffff110043fd88e
R10: dffffc0000000000 R11: ffffed10043fd88f R12: 0000000000000000
R13: 1ffff110043fd88f R14: ffff888021d6d640 R15: ffff888021fec478
 __up_read+0x2e9/0x680
 __se_sys_perf_event_open+0x199d/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5bd2f8ebe9
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:00007f5bd3dd6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f5bd31b5fa0 RCX: 00007f5bd2f8ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f5bd3011e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5bd31b6038 R14: 00007f5bd31b5fa0 R15: 00007fff31bb6b08
 </TASK>
sched: DL replenish lagged too much
