rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10490 ticks this GP) idle=61b4/1/0x4000000000000000 softirq=16231/16236 fqs=4833
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1321509          8            0
rcu: 	cputime:     8469      44019           36   ==> 52490(ms)
rcu: 	(t=10502 jiffies g=12833 q=4994 ncpus=2)
CPU: 1 UID: 0 PID: 6320 Comm: syz.0.74 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:__kernel_text_address+0x0/0x30
Code: c1 03 38 c1 7c c1 48 c7 c7 80 4e 30 90 e8 f8 24 a1 00 eb b3 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 53 48 89 fb e8 33 00 00 00 48 81 fb 00 a0 9b 91 0f 93
RSP: 0018:ffffc90000a07b00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90000a07b70 RCX: 0000000000000302
RDX: 0000000000000006 RSI: ffffffff8e214821 RDI: ffffffff8187ec0a
RBP: ffffc90000a07bb0 R08: ffffc90000a08eb0 R09: 0000000000000000
R10: ffffc90000a07b78 R11: fffff52000140f71 R12: ffff88816c3c0000
R13: 0000000000000001 R14: dffffc0000000000 R15: 1ffff92000140f6e
FS:  00007fcbe9f2a6c0(0000) GS:ffff8882a9293000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c370000 CR3: 0000000176f82000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x2bc/0x650
 fill_pool+0x156/0x580
 debug_object_activate+0x4a3/0x580
 kvfree_call_rcu+0xb2/0x430
 cfg80211_update_known_bss+0x830/0x1590
 __cfg80211_bss_update+0x147/0x2110
 cfg80211_inform_single_bss_data+0xbc4/0x1af0
 cfg80211_inform_bss_data+0x266/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x730
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e9/0x3730
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/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:__schedule+0x111/0x5680
Code: 0d e8 73 38 02 f6 84 c0 0f 84 e0 1b 00 00 e8 16 43 ff ff 48 63 d8 83 fb 08 0f 83 33 1d 00 00 48 8d 1c dd 90 07 26 8e 48 89 d8 <48> c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 2c 50 88 f6 4c 8b 3b
RSP: 0018:ffffc90004297800 EFLAGS: 00000297
RAX: ffffffff8e260798 RBX: ffffffff8e260798 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8c2883c0 RDI: ffffffff8c288380
RBP: ffffc90004297a18 R08: ffffffff903096f7 R09: 1ffffffff20612de
R10: dffffc0000000000 R11: fffffbfff20612df R12: 0000000000000001
R13: 1ffff92000852f5c R14: dffffc0000000000 R15: dffffc0000000000
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 smp_call_function_single+0x46e/0x5b0
 perf_install_in_context+0x5c0/0x930
 __se_sys_perf_event_open+0x1902/0x1d40
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcbe8f9cdd9
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:00007fcbe9f2a028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fcbe9215fa0 RCX: 00007fcbe8f9cdd9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007fcbe9032d69 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcbe9216038 R14: 00007fcbe9215fa0 R15: 00007ffe8e23a698
 </TASK>
sched: DL replenish lagged too much
