rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10482 ticks this GP) idle=ab4c/1/0x4000000000000000 softirq=15205/15205 fqs=4818
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1030250          0            0
rcu: 	cputime:    37340      15149           44   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=8745 q=3742 ncpus=2)
CPU: 1 UID: 0 PID: 6339 Comm: syz.1.126 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:its_return_thunk+0x0/0x10
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <c3> cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e9 5b a0 b7 f5 cc
RSP: 0018:ffffc90000a07ff0 EFLAGS: 00000246
RAX: ffffffff8176e871 RBX: 0000000000000000 RCX: ffff88810f96d7c0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90000a0806e R09: 1ffffffff33c32f2
R10: dffffc0000000000 R11: fffffbfff33c32f3 R12: ffffc90000a0806f
R13: ffff88801a404f10 R14: ffffc90000a0806e R15: 1ffff9200014100d
FS:  00007fb4cfda16c0(0000) GS:ffff8882a9928000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb4cfd7fff8 CR3: 00000001133de000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lookup_address_in_pgd_attr+0x561/0x8c0
 lookup_address+0xb0/0x120
 kfence_protect+0x93/0x1c0
 kfence_guarded_free+0x27b/0x4c0
 kfree+0x3e6/0x650
 ieee80211_inform_bss+0xc75/0x1160
 cfg80211_inform_single_bss_data+0xcf9/0x1ab0
 cfg80211_inform_bss_data+0x233/0x3bb0
 cfg80211_inform_bss_frame_data+0x3c7/0x710
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x2508/0x3050
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x7c0
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:raw_spin_rq_unlock_irq+0x13/0x90
Code: 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 66 90 e8 84 73 e7 09 e8 bf 75 36 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc cc 49 be 00 00 00 00 00 fc ff df 49 89
RSP: 0018:ffffc90004c77828 EFLAGS: 00000202
RAX: 0000000000000fd5 RBX: ffff88823c63a900 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8dad37f0 RDI: ffffffff8be74080
RBP: ffffc90004c77a38 R08: ffffffff8fced877 R09: 1ffffffff1f9db0e
R10: dffffc0000000000 R11: fffffbfff1f9db0f R12: dffffc0000000000
R13: ffff88810f96d7c0 R14: ffff88823c63b470 R15: 1ffff110478c7680
 __schedule+0x1a23/0x4fb0
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 smp_call_function_single+0x469/0x580
 perf_install_in_context+0x5c0/0x930
 __se_sys_perf_event_open+0x192f/0x1d60
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb4cef9acb9
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:00007fb4cfda1028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb4cf216360 RCX: 00007fb4cef9acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000012c0
RBP: 00007fb4cf008bf7 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb4cf2163f8 R14: 00007fb4cf216360 R15: 00007ffd1b932ac8
 </TASK>
sched: DL replenish lagged too much
