rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=427c/1/0x4000000000000000 softirq=26516/26517 fqs=4635
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   911455          0            0
rcu: 	cputime:    34310      18169           54   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=22585 q=1527 ncpus=2)
CPU: 0 UID: 0 PID: 8742 Comm: syz.0.883 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410 #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:debug_lockdep_rcu_enabled+0xd/0x40
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 57 40 2a 04 00 <74> 1e 83 3d 7a 70 2a 04 00 74 15 65 48 8b 0c 25 08 40 a0 92 31 c0
RSP: 0018:ffffc90000006d30 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffffff8ae60c18 RCX: 5b9d92d6eb4e3f00
RDX: 0000000000000000 RSI: ffffffff8dba600c RDI: ffffffff8be33300
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc90000006e58 R11: ffffffff81ac3890 R12: 1ffff92000000dc1
R13: ffffc90000006e40 R14: ffffc90000006e08 R15: ffffffff8172c195
FS:  00007f72626ba6c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056492b23edf8 CR3: 0000000110a50000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000d0602
Call Trace:
 <IRQ>
 unwind_next_frame+0xcb/0x2390
 arch_stack_walk+0x11c/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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 cf b7 ea 09 e8 5a 3f 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900034ff7d8 EFLAGS: 00000286
RAX: 5b9d92d6eb4e3f00 RBX: 0000000000000000 RCX: 5b9d92d6eb4e3f00
RDX: 0000000000000000 RSI: ffffffff8d9b6dc3 RDI: ffffffff8be33300
RBP: ffffc900034ff830 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff88810e529cc0
R13: dffffc0000000000 R14: ffff88810bb90000 R15: ffff88804b03ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:task_work_run+0xb4/0x260
Code: 4c 89 f8 48 c1 e8 03 48 89 44 24 18 48 89 0c 24 48 c1 e9 03 48 89 4c 24 10 eb 05 e8 c6 30 33 00 48 8b 44 24 18 42 80 3c 20 00 <74> 08 4c 89 ff e8 02 a3 96 00 4d 8b 2f 4c 89 6c 24 40 4d 85 ed 74
RSP: 0018:ffffc900034ffbc0 EFLAGS: 00000246
RAX: 1ffff11021ca54c7 RBX: 0000000000000000 RCX: ffff88810e529cc0
RDX: 0000000000000000 RSI: ffffffff8dba600c RDI: ffffffff8be33300
RBP: ffffc900034ffc80 R08: 0000000000000000 R09: ffffffff8191c7ff
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: dffffc0000000000
R13: ffff88810e52b258 R14: ffff88810e52a6d0 R15: ffff88810e52a638
 get_signal+0x11ed/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f726178ebe9
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:00007f72626ba038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000005 RBX: 00007f72619b5fa0 RCX: 00007f726178ebe9
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f7261811e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f72619b6038 R14: 00007f72619b5fa0 R15: 00007ffed8da4008
 </TASK>
