rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=6f6c/1/0x4000000000000000 softirq=14662/14663 fqs=4498
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1112730          0            0
rcu: 	cputime:    25458      27031           43   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=8129 q=4490 ncpus=2)
CPU: 1 UID: 0 PID: 6028 Comm: syz.1.31 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+0x5/0x2390
Code: e1 07 80 c1 03 38 c1 7c 92 48 89 df e8 f4 5d b0 00 eb 88 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <41> 57 41 56 41 55 41 54 53 48 81 ec 98 00 00 00 49 89 fe 48 bd 00
RSP: 0018:ffffc900001dfcb8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900001dfd80 RCX: 8a3391e413d48000
RDX: dffffc0000000000 RSI: ffffffff810014ca RDI: ffffc900001dfcc8
RBP: ffffc900001dfd50 R08: ffffc900001dfd90 R09: 0000000000000012
R10: ffffc900001dfd18 R11: ffffffff81ac3930 R12: ffff888108a71cc0
R13: 0000000000000000 R14: ffffffff81ac3930 R15: ffffc900001dfcc8
FS:  00007f23608816c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010eb3e000 CR4: 00000000000006f0
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: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 8c fa c4 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:ffffc900041779c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff888108a71cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004177a90 R08: ffffffff8fa37f37 R09: 1ffffffff1f46fe6
R10: dffffc0000000000 R11: fffffbfff1f46fe7 R12: 1ffff9200082ef3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200082ef5d
 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: 0033:0x7f235f98ebe9
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:00007f2360881038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f235fbc6090 RCX: 00007f235f98ebe9
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f235fa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f235fbc6128 R14: 00007f235fbc6090 R15: 00007ffcb9a050c8
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 74723191887 wd_nsec: 74723188414
