rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10468 ticks this GP) idle=8914/1/0x4000000000000000 softirq=25863/25864 fqs=4398
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   918427          0            0
rcu: 	cputime:    34589      17900           51   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=20561 q=2114 ncpus=2)
CPU: 1 UID: 0 PID: 8784 Comm: syz.1.910 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #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+0x130e/0x2390
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc900001dfd38 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff8fba1fd8 RCX: dffffc0000000000
RDX: ffffffff8fba1fb0 RSI: ffffffff9037799e RDI: ffffffff8be332a0
RBP: ffffffff8fba1fb0 R08: 000000000000000b R09: ffffffff8172c195
R10: ffffc900001dfe58 R11: ffffffff81ac3890 R12: ffffffff81aa3ef4
R13: ffffffff8fba1fb0 R14: ffffc900001dfe08 R15: ffffffff8fba1fc4
FS:  00007f96244d46c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96244b2fc8 CR3: 0000000041bd4000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
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
 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:__schedule+0x1b3/0x4cc0
Code: f6 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 44 0e a9 f6 48 81 3b 9d 6e ac 57 <0f> 85 b7 18 00 00 45 85 ed 7f 54 49 8d 5e 18 48 89 d8 48 c1 e8 03
RSP: 0018:ffffc90004d4f6e0 EFLAGS: 00000246
RAX: 1ffff920009a9000 RBX: ffffc90004d48000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8be332e0 RDI: ffffffff8be332a0
RBP: ffffc90004d4f8f0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff8881a3c1c000
R13: 0000000000000001 R14: ffff888022395640 R15: 1ffff11026cc7551
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
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 7b d1 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:ffffc90004d4fa78 EFLAGS: 00000206
RAX: e05fce2295fbb300 RBX: 0000000000000202 RCX: e05fce2295fbb300
RDX: 0000000000000000 RSI: ffffffff8dba6014 RDI: ffffffff8be33300
RBP: ffff888022396130 R08: 0000000000000000 R09: ffffffff8191c7ff
R10: dffffc0000000000 R11: fffff520009a9f69 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8e139ee0 R15: ffff888022395640
 task_mm_cid_work+0x21a/0x760
 task_work_run+0x1d4/0x260
 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: 0033:0x7f962358ebe9
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:00007f96244d40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f96237b5fa8 RCX: 00007f962358ebe9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f96237b5fac
RBP: 00007f96237b5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 000000000000000e R11: 0000000000000246 R12: 0000000000000000
R13: 00007f96237b6038 R14: 00007fff7fd531f0 R15: 00007fff7fd532d8
 </TASK>
