rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10436 ticks this GP) idle=5db4/1/0x4000000000000000 softirq=21718/21720 fqs=4533
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   904922          0            0
rcu: 	cputime:    34785      17714           52   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=13545 q=5386 ncpus=2)
CPU: 0 UID: 0 PID: 7187 Comm: syz.1.269 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+0x7be/0x2390
Code: 08 48 89 df e8 f3 bb b0 00 48 8b 3b 48 85 ff 0f 84 d3 0d 00 00 48 83 c7 38 e8 0e 28 00 00 49 89 c4 48 8b 34 24 e9 a9 02 00 00 <49> 8d 5e 40 48 89 d8 48 c1 e8 03 80 3c 28 00 74 11 48 89 df e8 b9
RSP: 0018:ffffc90000006bf8 EFLAGS: 00000246
RAX: ffffc90000006cfd RBX: 0000000000000004 RCX: ffffffff8f78f0d0
RDX: ffffffff8ff78b7e RSI: ffffffff8ff78b82 RDI: ffffffff8b9ec280
RBP: dffffc0000000000 R08: 0000000000000008 R09: ffffffff81725d05
R10: ffffc90000006d18 R11: ffffffff81aaefd0 R12: ffffffff8ff78b83
R13: ffffc90000006d18 R14: ffffc90000006cc8 R15: ffffc90000006d00
FS:  00007fd4a3db96c0(0000) GS:ffff8880b8d73000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4a3d0d680 CR3: 0000000026bf8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000555506aa
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
 kfree+0x18e/0x440
 ieee80211_inform_bss+0xbd9/0x10a0
 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 10 00 00 00 74 64 bf 01 00 00 00 e8 9b 18 56 f6 e8 66 97 8d 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:ffffc9000302f920 EFLAGS: 00000282
RAX: ab7ce5106d2b4300 RBX: 0000000000000000 RCX: ab7ce5106d2b4300
RDX: 0000000000000006 RSI: ffffffff8d53a1aa RDI: 0000000000000001
RBP: ffffc9000302f9d0 R08: ffffffff8f5cd537 R09: 1ffffffff1eb9aa6
R10: dffffc0000000000 R11: fffffbfff1eb9aa7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000605f24
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_thunk+0x0/0x30
Code: 4e 8b 00 48 c7 c0 c0 58 40 8b c3 cc cc cc cc 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 ca 69 05 0a
RSP: 0018:ffffc9000302fa98 EFLAGS: 00000293
RAX: ffffffff81b2f08b RBX: 0000000000000000 RCX: ffff8881067c1d00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000302fb90 R08: ffffffff8f5cd537 R09: 1ffffffff1eb9aa6
R10: dffffc0000000000 R11: fffffbfff1eb9aa7 R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffff92000605f58 R15: 1ffff92000605f58
 smp_call_function_single+0x470/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd4a2f8ec29
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:00007fd4a3db9038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd4a31d6180 RCX: 00007fd4a2f8ec29
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000000c0
RBP: 00007fd4a3011e41 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd4a31d6218 R14: 00007fd4a31d6180 R15: 00007ffeeb62c968
 </TASK>
sched: DL replenish lagged too much
