clocksource: Long readout interval, skipping watchdog check: cs_nsec: 78334986749 wd_nsec: 78334987417
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (2666 ticks this GP) idle=408c/1/0x4000000000000000 softirq=15649/15649 fqs=4727
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   603202          3            0
rcu: 	cputime:    15500      11139           19   ==> 26650(ms)
rcu: 	(t=10501 jiffies g=9509 q=4117 ncpus=2)
CPU: 1 UID: 0 PID: 6379 Comm: syz.1.203 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+0x223/0x2390
Code: 86 65 18 00 00 44 89 f8 4c 8d 2c 85 7c 65 e0 90 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 <44> 89 f8 ff c0 48 8d 2c 85 7c 65 e0 90 48 89 e8 48 c1 e8 03 0f b6
RSP: 0018:ffffc900001df9d8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 6ddd63112b29c700
RDX: 00000000000a7e95 RSI: ffffffff8be34260 RDI: ffffffff8be34220
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172d195
R10: ffffc900001dfaf8 R11: ffffffff81ac4d00 R12: ffffffff8afdfc71
R13: 00000000001c2c6c R14: ffffc900001dfaa8 R15: 000000000009fdfc
FS:  00007f9c00fc86c0(0000) GS:ffff8881a3c12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000180 CR3: 000000010f302000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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 ab 1a 14 f6 e8 76 77 4b 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:ffffc900063dfa80 EFLAGS: 00000282
RAX: 6ddd63112b29c700 RBX: 0000000000000000 RCX: 6ddd63112b29c700
RDX: 0000000000000007 RSI: ffffffff8d9baa25 RDI: 0000000000000001
RBP: ffffc900063dfb20 R08: ffffffff8fa3b237 R09: 1ffffffff1f47646
R10: dffffc0000000000 R11: fffffbfff1f47647 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000c7bf50
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__mutex_unlock_slowpath+0x6a5/0x740
Code: 48 8d bc 24 88 00 00 00 e8 c8 85 a7 f6 48 89 9c 24 88 00 00 00 bf 01 00 00 00 e8 76 e0 13 f6 65 8b 05 ff b0 24 07 85 c0 74 55 <48> c7 44 24 40 0e 36 e0 45 48 b8 00 00 00 00 00 fc ff df 48 8b 4c
RSP: 0018:ffffc900063dfbe0 EFLAGS: 00000246
RAX: ffff88803b6e3980 RBX: 1ffffffff1f47c6c RCX: ffffffff8b7c2a31
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc900063dfc80
RBP: ffffc900063dfcf0 R08: ffffc900063dfc87 R09: 1ffff92000c7bf90
R10: dffffc0000000000 R11: fffff52000c7bf91 R12: ffffc900063dfc80
R13: 0000000000000000 R14: 1ffffffff3358664 R15: ffff888111ffa040
 __se_sys_perf_event_open+0x194c/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c0018ec29
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:00007f9c00fc8038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f9c003d5fa0 RCX: 00007f9c0018ec29
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f9c00211e41 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c003d6038 R14: 00007f9c003d5fa0 R15: 00007ffde83e3038
 </TASK>
