rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10472 ticks this GP) idle=b424/1/0x4000000000000000 softirq=15509/15510 fqs=4574
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   794558          1            0
rcu: 	cputime:    37674      14805           57   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=8257 q=3044 ncpus=2)
CPU: 0 UID: 0 PID: 6291 Comm: syz.0.158 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 eb e3 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0000:ffffc90000006b58 EFLAGS: 00000206
RAX: 6785eeca7f56b700 RBX: 0000000000000000 RCX: 6785eeca7f56b700
RDX: 0000000000000000 RSI: ffffffff8dba600c RDI: ffffffff8be33300
RBP: ffffffff8172c195 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc90000006d18 R11: ffffffff81ac3890 R12: 0000000000000002
R13: ffffffff8e139ee0 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f661f56b6c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000111786000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x2390
 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: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 5b 98 15 f6 e8 96 f2 4c 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: 0000:ffffc90004617dc0 EFLAGS: 00000282
RAX: 6785eeca7f56b700 RBX: 0000000000000000 RCX: 6785eeca7f56b700
RDX: 0000000000000000 RSI: ffffffff8d9b6dc3 RDI: 0000000000000001
RBP: ffffc90004617e70 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920008c2fb8
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:irqentry_exit_to_user_mode+0x51/0x120
Code: 07 85 c0 0f 85 c3 00 00 00 e8 3b 00 31 f6 65 4c 8b 34 25 08 40 a0 92 49 8b 3e f7 c7 1e 30 02 00 74 53 49 89 ff e8 2f ff 30 f6 <4c> 89 f8 a8 18 74 08 e8 63 1a 01 00 4c 89 f8 a9 00 10 00 00 74 0b
RSP: 0000:ffffc90004617f38 EFLAGS: 00000286
RAX: 6785eeca7f56b700 RBX: ffffc90004617f58 RCX: 6785eeca7f56b700
RDX: 0000000000000000 RSI: ffffffff8d9b6dc3 RDI: ffffffff8be33300
RBP: 0000000000000000 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888028381cc0 R15: 0000000000000008
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0033:0x7f661e65e7de
Code: ff ff 48 8d 3d ab 44 1b 00 e8 0e 0a ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 56 41 54 55 53 48 83 ec 68 48 63 57 28 <48> 89 3c 24 48 8d 74 24 20 bf 01 00 00 00 48 8d 04 d5 00 00 00 00
RSP: 002b:00007f661f56b060 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 00007f661e9b5fa8 RCX: 00007f661e78ebe9
RDX: 0000000000001d6f RSI: 0000000000000081 RDI: 00007f661e9b5fa0
RBP: 00007f661e9b5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f661e9b6038 R14: 00007ffd4685fc70 R15: 00007ffd4685fd58
 </TASK>
sched: DL replenish lagged too much
