rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=1764/1/0x4000000000000000 softirq=16451/16453 fqs=4726
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1035845          6            0
rcu: 	cputime:    32426      20072           46   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=7957 q=4345 ncpus=2)
CPU: 0 UID: 0 PID: 6134 Comm: syz.2.70 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_release+0x2b5/0x3e0
Code: 51 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 db d0 02 11 <48> 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000006970 EFLAGS: 00000206
RAX: b19b903a0d76ce00 RBX: 0000000000000202 RCX: b19b903a0d76ce00
RDX: 0000000000000004 RSI: ffffffff8dba5d03 RDI: ffffffff8be33300
RBP: ffff888109fde1d0 R08: ffffc90006497f48 R09: 0000000000000000
R10: ffffc90000006af8 R11: fffff52000000d61 R12: 0000000000000004
R13: 0000000000000004 R14: ffffffff8e139ea0 R15: ffff888109fdd640
FS:  00007f5e5e7e86c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3201fff8 CR3: 000000002909c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 unwind_next_frame+0x19a9/0x2390
 arch_stack_walk+0x11c/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 88 15 f6 e8 36 e3 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:ffffc90006497a40 EFLAGS: 00000286
RAX: b19b903a0d76ce00 RBX: 0000000000000000 RCX: b19b903a0d76ce00
RDX: 0000000000000007 RSI: ffffffff8d9b6a7d RDI: 0000000000000001
RBP: ffffc90006497ae0 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000c92f48
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kasan_check_range+0x9f/0x2c0
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd
RSP: 0018:ffffc90006497ba8 EFLAGS: 00000246
RAX: b19b903a0d76ce01 RBX: ffffffffffffffff RCX: ffffffff8b7aa8c9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88802f18c840
RBP: ffffc90006497cf0 R08: ffff88802f18c847 R09: 1ffff11005e31908
R10: dffffc0000000000 R11: ffffed1005e31908 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffed1005e31909 R15: 1ffff11005e31908
 __mutex_unlock_slowpath+0xd9/0x760
 __se_sys_perf_event_open+0x194c/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5e5d98eba9
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:00007f5e5e7e8038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f5e5dbd5fa0 RCX: 00007f5e5d98eba9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f5e5da11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5e5dbd6038 R14: 00007f5e5dbd5fa0 R15: 00007ffc83a460d8
 </TASK>
sched: DL replenish lagged too much
