rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=e224/1/0x4000000000000000 softirq=16943/16948 fqs=4647
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   725158          0            0
rcu: 	cputime:    37762      14727           67   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=11209 q=2229 ncpus=2)
CPU: 1 UID: 0 PID: 6707 Comm: syz.0.350 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #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:_ieee802_11_parse_elems_full+0x23c5/0x4550
Code: c2 f6 41 83 fd 50 0f 85 1b 02 00 00 4d 8d 6c 24 04 4c 89 e8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 d2 1b 00 00 45 0f b6 6d 00 <bf> f2 00 00 00 44 89 ee e8 ee f1 c2 f6 41 81 fd f2 00 00 00 0f 85
RSP: 0018:ffffc900001dfaa0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000100
RDX: ffff888107885640 RSI: 0000000000000050 RDI: 0000000000000050
RBP: ffffc900001dfe90 R08: ffff888107885640 R09: 000000000000002b
R10: 00000000000000ff R11: 0000000000000100 R12: ffff88810739c53c
R13: 00000000000000f2 R14: dffffc0000000000 R15: 00000000000000dd
FS:  00007f760fb3b6c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 00000001100ce000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 ieee802_11_parse_elems_full+0x125a/0x2ab0
 ieee80211_inform_bss+0x10c/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: 0018:ffffc9000641fa40 EFLAGS: 00000286
RAX: 9e061d6f4071bd00 RBX: 0000000000000000 RCX: 9e061d6f4071bd00
RDX: 0000000000000006 RSI: ffffffff8d9b6dcb RDI: 0000000000000001
RBP: ffffc9000641fae0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000c83f48
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:perf_install_in_context+0x593/0x8f0
Code: c5 14 4d 89 ec 49 c1 ec 03 43 0f b6 04 3c 84 c0 75 63 41 8b 7d 00 48 c7 c6 60 86 f0 81 4c 89 f2 b9 01 00 00 00 e8 6d 29 c4 ff <89> c3 31 ff 89 c6 e8 72 a6 cf ff 85 db 74 0c e8 29 a2 cf ff 83 fb
RSP: 0018:ffffc9000641fba0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003e13000 RSI: 00000000000002c4 RDI: 00000000000002c5
RBP: ffffc9000641fcf0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 1ffff11020f10aca
R13: ffff888107885654 R14: ffffc9000641fc20 R15: dffffc0000000000
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f760ed8ebe9
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:00007f760fb3b038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f760efb5fa0 RCX: 00007f760ed8ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f760ee11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f760efb6038 R14: 00007f760efb5fa0 R15: 00007ffc63e86608
 </TASK>
sched: DL replenish lagged too much
