rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10481 ticks this GP) idle=1adc/1/0x4000000000000000 softirq=13042/13049 fqs=4472
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1343350          0            0
rcu: 	cputime:    21096      31383           69   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=9637 q=5096 ncpus=2)
CPU: 1 UID: 0 PID: 5865 Comm: syz.1.38 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+0x4f4/0x2550
Code: 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 49 8d 1c 47 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 48 63 03 48 01 d8 48 8d 4b 04 48 39 e8 4c 0f 46 f9 48
RSP: 0018:ffffc90000a07da8 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff9047ea08 RCX: dffffc0000000000
RDX: ffffffff9047e9ec RSI: ffffffff90c34598 RDI: ffffffff8c289740
RBP: ffffffff8176c9fc R08: 0000000000000010 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e95c700 R12: ffffffff9047ea28
R13: ffffffff9047e9ec R14: ffffc90000a07ea8 R15: ffffffff9047e9ec
FS:  00007f4733ebf6c0(0000) GS:ffff8882a92b8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2bc542dff8 CR3: 0000000100f60000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __unwind_start+0x4f2/0x640
 arch_stack_walk+0xe3/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x358/0x750
 cfg80211_inform_single_bss_data+0x990/0x1be0
 cfg80211_inform_bss_data+0x26e/0x3d80
 cfg80211_inform_bss_frame_data+0x3c7/0x730
 ieee80211_bss_info_update+0x791/0xa50
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x2a11/0x3740
 ieee80211_rx_napi+0x1ad/0x3d0
 ieee80211_handle_queued_frames+0xe4/0x1d0
 tasklet_action_common+0x2da/0x4a0
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 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+0x65e/0xbc0
Code: 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 f7 ea 9b 00 41 bf 98 00 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 <74> 08 4c 89 ff e8 d8 ea 9b 00 4d 8b 1f 4d 85 db 48 8b 5d c0 74 09
RSP: 0018:ffffc90006cef8e0 EFLAGS: 00000246
RAX: 1ffffffff1c49cb4 RBX: ffff88810ea23e88 RCX: ffffffff81949246
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88810009a4c0
RBP: ffffc90006cef930 R08: ffff88810009a4c3 R09: 1ffff11020013498
R10: dffffc0000000000 R11: ffffed1020013499 R12: ffff88810e9ddf00
R13: ffff88823c63bc28 R14: dffffc0000000000 R15: ffffffff8e24e5a0
 __schedule+0x1848/0x57a0
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock+0x3f/0x50
 futex_wake+0x4b3/0x5b0
 do_futex+0x395/0x420
 __se_sys_futex+0x3a8/0x450
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4732f9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4733ebf0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f4733215fa8 RCX: 00007f4732f9ce59
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4733215fac
RBP: 00007f4733215fa0 R08: 3fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4733216038 R14: 00007ffff1955540 R15: 00007ffff1955628
 </TASK>
