rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=f31c/1/0x4000000000000000 softirq=12938/12941 fqs=4870
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1375645         12            0
rcu: 	cputime:     9446      43053           35   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=8417 q=5562 ncpus=2)
CPU: 0 UID: 0 PID: 5798 Comm: syz.1.23 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:lock_acquire+0x221/0x350
Code: ff ff ff e8 01 12 07 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 eb bc 97 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 50 05 0a 0a cc 48 8d 3d 78 63 92
RSP: 0018:ffffc90000006e90 EFLAGS: 00000286
RAX: a4a7516f069d1a00 RBX: 0000000000000000 RCX: 0000000000000303
RDX: 0000000070923d31 RSI: ffffffff8e21d80f RDI: ffffffff8c28b0e0
RBP: ffffffff822589a8 R08: ffffffff822589a8 R09: ffff88812103f638
R10: ffffc90000007080 R11: fffff52000000e18 R12: 0000000000000000
R13: ffff88812103f638 R14: 0000000000000001 R15: 0000000000000246
FS:  00007f11cd0266c0(0000) GS:ffff88818dc89000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001754bc000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __kmalloc_noprof+0x1d4/0x760
 ieee802_11_parse_elems_full+0x159/0x2ab0
 ieee80211_inform_bss+0x161/0x1160
 cfg80211_inform_single_bss_data+0xcf9/0x1af0
 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+0x29f8/0x3740
 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:generic_exec_single+0x3e7/0x430
Code: 75 11 e8 5c 16 0c 00 48 85 db 75 16 e8 52 16 0c 00 eb 15 e8 4b 16 0c 00 e8 f6 19 ef 09 48 85 db 74 ea e8 3c 16 0c 00 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 56 0d f2 09 cc e8 20
RSP: 0018:ffffc90005a27a60 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc900098c5000 RSI: 0000000000000265 RDI: 0000000000000266
RBP: 0000000000000001 R08: ffffffff9030b8f7 R09: 1ffffffff206171e
R10: dffffc0000000000 R11: fffffbfff206171f R12: 1ffff92000b44f61
R13: 1ffff92000b44f63 R14: 0000000000000000 R15: ffffc90005a27b18
 smp_call_function_single+0x34a/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: 0033:0x7f11cc19cdd9
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:00007f11cd026028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f11cc416180 RCX: 00007f11cc19cdd9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007f11cc232d69 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f11cc416218 R14: 00007f11cc416180 R15: 00007fffc79eddb8
 </TASK>
sched: DL replenish lagged too much
