rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=c8c4/1/0x4000000000000000 softirq=161952/161953 fqs=4764
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1007406          0            0
rcu: 	cputime:    35643      16846           51   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=135557 q=2421 ncpus=2)
CPU: 0 UID: 0 PID: 27359 Comm: syz.0.5765 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:stack_trace_consume_entry+0x5d/0x280
Code: 00 44 8b 4f 10 4c 8d 77 08 4d 89 f5 49 c1 ed 03 41 0f b6 44 15 00 84 c0 0f 85 22 01 00 00 45 3b 0e 73 3a 48 8d 5f 0c 49 89 df <49> c1 ef 03 41 0f b6 04 17 84 c0 0f 85 47 01 00 00 44 8b 23 45 85
RSP: 0018:ffffc900000069d8 EFLAGS: 00000287
RAX: 0000000000000000 RBX: ffffc90000006aec RCX: 97d2a4488712f300
RDX: dffffc0000000000 RSI: ffffffff8aadee03 RDI: ffffc90000006ae0
RBP: 1ffff92000000d5e R08: ffffc90000006af0 R09: 0000000000000006
R10: ffffc90000006a78 R11: ffffffff81ada120 R12: ffff8881762d0000
R13: 1ffff92000000d5d R14: ffffc90000006ae8 R15: ffffc90000006aec
FS:  00007f7eff1ea6c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f20f8b87fc8 CR3: 0000000118320000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x110/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x41d/0x800
 ieee802_11_parse_elems_full+0x152/0x2ab0
 ieee80211_inform_bss+0x147/0x1130
 cfg80211_inform_single_bss_data+0xd14/0x1ad0
 cfg80211_inform_bss_data+0x203/0x3b40
 cfg80211_inform_bss_frame_data+0x3c7/0x710
 ieee80211_bss_info_update+0x749/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x2485/0x2f90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x358/0x550
 handle_softirqs+0x27d/0x850
 __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 10 00 00 00 74 64 bf 01 00 00 00 e8 ab 16 34 f6 e8 46 94 6c f6 fb bf 01 00 00 00 <e8> 1b a8 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90005fd7240 EFLAGS: 00000286
RAX: 97d2a4488712f300 RBX: 0000000000000000 RCX: 97d2a4488712f300
RDX: 0000000000000007 RSI: ffffffff8d792409 RDI: 0000000000000001
RBP: ffffc90005fd72e0 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000bfae48
 irqentry_exit+0x5d8/0x660
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:get_stack_info+0x30/0xf0
Code: 41 56 41 55 41 54 53 48 89 cb 49 89 d6 49 89 f7 48 85 f6 74 07 48 85 ff 75 10 eb 4d 65 4c 8b 3c 25 08 b0 7e 92 48 85 ff 74 3f <4c> 89 fe 4c 89 f2 e8 35 8c f4 09 84 c0 74 30 31 c0 48 85 db 74 35
RSP: 0018:ffffc90005fd73f8 EFLAGS: 00000286
RAX: 1ffff92000bfae98 RBX: ffffc90005fd74a8 RCX: ffffc90005fd74a8
RDX: ffffc90005fd7488 RSI: ffff8881762d0000 RDI: ffffc90005fd7428
RBP: ffffc90005fd7401 R08: ffffc90005fd74e7 R09: 0000000000000000
R10: ffffc90005fd7488 R11: fffff52000bfae9d R12: ffffc90005fd7428
R13: ffffc90005fd74a8 R14: ffffc90005fd7488 R15: ffff8881762d0000
 __unwind_start+0x43f/0x760
 arch_stack_walk+0xe4/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __reset_page_owner+0x71/0x1f0
 __free_frozen_pages+0xbc8/0xd30
 __slab_free+0x21b/0x2a0
 qlist_free_all+0x97/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 __kmalloc_noprof+0x3cf/0x800
 bpf_prog_array_copy+0x198/0x370
 perf_event_detach_bpf_prog+0x183/0x320
 _free_event+0x87b/0xa00
 perf_event_release_kernel+0x45b/0x510
 perf_release+0x38/0x50
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 get_signal+0x11ec/0x1340
 arch_do_signal_or_restart+0x9a/0x7a0
 exit_to_user_mode_loop+0x87/0x4f0
 do_syscall_64+0x2d0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7efe38f7c9
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:00007f7eff1ea038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000005 RBX: 00007f7efe5e5fa0 RCX: 00007f7efe38f7c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f7efe3f297f R08: 0000000000000009 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7efe5e6038 R14: 00007f7efe5e5fa0 R15: 00007fff91e1ce68
 </TASK>
sched: DL replenish lagged too much
