rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=e2ac/1/0x4000000000000000 softirq=24640/24646 fqs=4677
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   828963          0            0
rcu: 	cputime:    37111      15378           54   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=14589 q=18145 ncpus=2)
CPU: 0 UID: 0 PID: 7690 Comm: syz.4.693 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #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+0xc89/0x2390
Code: b0 00 49 89 1f 48 8b 44 24 58 80 3c 28 00 48 8b 5c 24 70 4c 8b 6c 24 50 4c 8b 64 24 10 74 08 48 89 df e8 7a 51 b0 00 4c 89 23 <ba> 10 00 00 00 4c 89 ef 31 f6 e8 48 53 b0 00 48 8b 14 24 e9 c5 04
RSP: 0018:ffffc90000006bf8 EFLAGS: 00000246
RAX: 1ffff92000000da0 RBX: ffffc90000006d00 RCX: 1ffff92000000d01
RDX: ffffffff90d27f6c RSI: 0000000000000002 RDI: ffffc900000071f8
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8172c195
R10: ffffc90000006d18 R11: ffffffff81ac3890 R12: ffffc90000007200
R13: ffffc90000006d18 R14: ffffc90000006cc8 R15: ffffc90000006d10
FS:  00007f61053566c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000031c72000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000090602
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 08 00 00 00 74 64 bf 01 00 00 00 e8 5b 98 15 f6 e8 96 f2 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:ffffc9000416f980 EFLAGS: 00000282
RAX: d959929206041400 RBX: 0000000000000000 RCX: d959929206041400
RDX: 0000000000000006 RSI: ffffffff8d9b6dcb RDI: 0000000000000001
RBP: ffffc9000416fa20 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200082df30
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule+0x0/0xc0
Code: 00 00 e8 f3 9b 15 f6 e9 ce bc 01 00 cc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 56 53 48 83 e4 e0 48 83 ec 60 65 48 8b
RSP: 0018:ffffc9000416fae0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8be332e0 RDI: 00000000ffffffff
RBP: ffffc9000416fb30 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff8881085aea78
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
 preempt_schedule_thunk+0x16/0x30
 __mutex_lock+0x349/0x1360
 __se_sys_perf_event_open+0x19b8/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f610458ebe9
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:00007f6105356038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f61047b5fa0 RCX: 00007f610458ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000300
RBP: 00007f6104611e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f61047b6038 R14: 00007f61047b5fa0 R15: 00007ffeaad1c968
 </TASK>
sched: DL replenish lagged too much
