rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (8922 ticks this GP) idle=84dc/1/0x4000000000000000 softirq=20973/20974 fqs=4541
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   773990          2            0
rcu: 	cputime:    37490      15009           59   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=13349 q=4378 ncpus=2)
CPU: 1 UID: 0 PID: 7553 Comm: syz.1.703 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:memset_orig+0x0/0xb0
Code: 49 89 f9 40 88 f0 48 89 d1 f3 aa 4c 89 c8 e9 57 bf 02 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <49> 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41
RSP: 0018:ffffc900001dfbf0 EFLAGS: 00000202
RAX: 1ffff9200003bf01 RBX: ffffc900001dfd00 RCX: ffffffff8172cd88
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc900001dfd18
RBP: dffffc0000000000 R08: ffffc900001dfd27 R09: 1ffff9200003bfa4
R10: dffffc0000000000 R11: fffff5200003bfa5 R12: ffffc900001e0048
R13: ffffc900001dfd18 R14: ffffc900001dfcc8 R15: ffffc900001dfd10
FS:  00007fdbaaf3a6c0(0000) GS:ffff8881a3c19000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 00000000358f8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 unwind_next_frame+0xc98/0x2390
 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:__sanitizer_cov_trace_pc+0x46/0x70
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 00 74 2c 8b 91 18 16 00 00 83 fa 02 75 21 48 8b 91 20 16 00 00 48 8b 32 <48> 8d 7e 01 8b 89 1c 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2
RSP: 0018:ffffc9000306fa98 EFLAGS: 00000246
RAX: ffffffff81b43718 RBX: ffffc9000306fae8 RCX: ffff888105773980
RDX: ffffc90003b32000 RSI: 0000000000000298 RDI: 0000000000000000
RBP: ffffc9000306fb90 R08: ffffffff8fa38937 R09: 1ffffffff1f47126
R10: dffffc0000000000 R11: fffffbfff1f47127 R12: 1ffff9200060df5d
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200060df58
 smp_call_function_single+0x398/0x590
 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: 0033:0x7fdbaa18eba9
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:00007fdbaaf3a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fdbaa3d5fa0 RCX: 00007fdbaa18eba9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007fdbaa211e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdbaa3d6038 R14: 00007fdbaa3d5fa0 R15: 00007ffea6afd848
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 84883842609 wd_nsec: 84883844504
