rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10483 ticks this GP) idle=9f34/1/0x4000000000000000 softirq=48855/48857 fqs=4318
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   811212          6            0
rcu: 	cputime:    36854      15611           67   ==> 52480(ms)
rcu: 	(t=10501 jiffies g=39049 q=5670 ncpus=2)
CPU: 1 UID: 0 PID: 11421 Comm: syz.8.1357 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+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 eb e1 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001dfc38 EFLAGS: 00000206
RAX: 9e1529fef7c1c600 RBX: 0000000000000000 RCX: 9e1529fef7c1c600
RDX: 0000000000000000 RSI: ffffffff8dba631f RDI: ffffffff8be33500
RBP: ffffffff8172c195 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc900001dfe58 R11: fffff5200003bfcd R12: 0000000000000002
R13: ffffffff8e13a020 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f9fb10bf6c0(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000003acc8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x2390
 __unwind_start+0x5b9/0x760
 arch_stack_walk+0xe4/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 cfg80211_inform_single_bss_data+0x905/0x1ac0
 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:generic_exec_single+0x481/0x500
Code: 75 11 e8 d2 6e 0b 00 48 85 db 75 16 e8 c8 6e 0b 00 eb 15 e8 c1 6e 0b 00 e8 2c 29 c5 09 48 85 db 74 ea e8 b2 6e 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000468f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc900288db000 RSI: 00000000000002aa RDI: 00000000000002ab
RBP: ffffc9000468fa90 R08: ffffffff8fa38237 R09: 1ffffffff1f47046
R10: dffffc0000000000 R11: fffffbfff1f47047 R12: 1ffff920008d1f3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920008d1f5d
 smp_call_function_single+0x351/0x590
 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: 0033:0x7f9fb018ebe9
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:00007f9fb10bf038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f9fb03c5fa0 RCX: 00007f9fb018ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f9fb0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9fb03c6038 R14: 00007f9fb03c5fa0 R15: 00007fffda050c58
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 11421 Comm: syz.8.1357 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+0xda/0x360
Code: a0 92 83 b8 ec 0a 00 00 00 0f 85 d5 00 00 00 48 c7 44 24 30 00 00 00 00 9c 8f 44 24 30 4c 89 74 24 10 4d 89 fe 4c 8b 7c 24 30 <fa> 48 c7 c7 c4 ab 9c 8d e8 d9 24 dc 09 65 ff 05 82 22 03 11 45 31
RSP: 0018:ffffc900001e0160 EFLAGS: 00000046
RAX: ffff888020430000 RBX: 0000000000000000 RCX: 9e1529fef7c1c600
RDX: 0000000000000000 RSI: ffffffff8b7c0bf7 RDI: 1ffff11026cc4f53
RBP: ffffffff81adb5fa R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff81adb500 R12: 0000000000000000
R13: ffff888136627a98 R14: 0000000000000001 R15: 0000000000000046
FS:  00007f9fb10bf6c0(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000003acc8000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 _raw_spin_lock_irqsave+0xa7/0xf0
 hrtimer_interrupt+0xfa/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:ieee80211_rx_get_bigtk+0x155/0x4c0
Code: 1a 2e f7 48 8b 03 4e 8d 34 e8 49 83 c6 30 4c 89 f0 48 c1 e8 03 4d 89 e5 42 80 3c 20 00 74 08 4c 89 f7 e8 1e 1a 2e f7 4d 8b 36 <e8> 76 3e 84 00 41 89 c4 31 ff 89 c6 e8 7a 81 ca f6 45 85 e4 74 21
RSP: 0018:ffffc900001e04b8 EFLAGS: 00000246
RAX: 1ffff11007499cac RBX: ffffc900001e0ae0 RCX: ffff888020430000
RDX: 0000000000000100 RSI: 00000000ffffffff RDI: 0000000000000006
RBP: ffffc900001e0af0 R08: ffff888020430000 R09: 0000000000000003
R10: 00000000000000d0 R11: 0000000000000100 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200003c15e
 ieee80211_rx_handlers+0x2205/0xb760
 ieee80211_prepare_and_rx_handle+0x266f/0x63f0
 ieee80211_rx_list+0x21b8/0x2a90
 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:generic_exec_single+0x481/0x500
Code: 75 11 e8 d2 6e 0b 00 48 85 db 75 16 e8 c8 6e 0b 00 eb 15 e8 c1 6e 0b 00 e8 2c 29 c5 09 48 85 db 74 ea e8 b2 6e 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000468f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc900288db000 RSI: 00000000000002aa RDI: 00000000000002ab
RBP: ffffc9000468fa90 R08: ffffffff8fa38237 R09: 1ffffffff1f47046
R10: dffffc0000000000 R11: fffffbfff1f47047 R12: 1ffff920008d1f3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920008d1f5d
 smp_call_function_single+0x351/0x590
 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: 0033:0x7f9fb018ebe9
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:00007f9fb10bf038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f9fb03c5fa0 RCX: 00007f9fb018ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f9fb0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9fb03c6038 R14: 00007f9fb03c5fa0 R15: 00007fffda050c58
 </TASK>
