rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=262c/1/0x4000000000000000 softirq=21827/22021 fqs=5044
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1081319        600            0
rcu: 	cputime:    36657      15799           53   ==> 52460(ms)
rcu: 	(t=10501 jiffies g=11537 q=3829 ncpus=2)
CPU: 0 UID: 0 PID: 7476 Comm: syz.0.601 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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:___slab_alloc+0x4ab/0x1480
Code: 04 24 00 02 00 00 0f 84 bb fb ff ff fb 89 dd e9 b3 fb ff ff e8 16 bd 55 09 f7 c3 00 02 00 00 0f 84 98 fe ff ff fb 8b 6c 24 08 <eb> 1a 48 8b 74 24 08 48 c7 46 10 00 00 00 00 4c 8b 6c 24 10 4c 89
RSP: 0018:ffffc90000006da0 EFLAGS: 00000206
RAX: 8fdb140022825800 RBX: 0000000000000246 RCX: 8fdb140022825800
RDX: 0000000000000002 RSI: ffffffff8d9987c6 RDI: ffffffff8be29f80
RBP: 00000000ffffffff R08: ffffffff8fa1eaf7 R09: 1ffffffff1f43d5e
R10: dffffc0000000000 R11: fffffbfff1f43d5f R12: 0000000000000000
R13: ffff88801a441dc0 R14: ffff88804b03e680 R15: ffff88804b03e6a0
FS:  00007fcba0d7f6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 00000001052d2000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __kmalloc_noprof+0x305/0x4f0
 ieee802_11_parse_elems_full+0x152/0x2aa0
 ieee80211_inform_bss+0x10c/0x10a0
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b20
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x22fc/0x2d80
 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_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+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 22 21 f6 e8 96 f5 57 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000255fb40 EFLAGS: 00000286
RAX: 8fdb140022825800 RBX: 0000000000000000 RCX: 8fdb140022825800
RDX: 0000000000000000 RSI: ffffffff8d9987c6 RDI: 0000000000000001
RBP: ffffc9000255fbe0 R08: ffffffff8fa1eaf7 R09: 1ffffffff1f43d5e
R10: dffffc0000000000 R11: fffffbfff1f43d5f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920004abf68
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__get_user_handle_exception+0x0/0x20
Code: 90 90 90 90 90 90 90 90 90 90 0f 1f 00 0f ae e8 48 8b 10 31 c0 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 00 31 d2 48 c7 c0 f2 ff ff ff e9 4f f9 03 00 cc cc cc cc cc
RSP: 0018:ffffc9000255fca0 EFLAGS: 00010283
RAX: 0000000000000004 RBX: ffffc9000255fda0 RCX: 8fdb140022825800
RDX: 00007ffffffff000 RSI: ffffffff8db864db RDI: ffffffff8be29f80
RBP: ffffc9000255fee0 R08: 0000000000000000 R09: ffffffff820bbd20
R10: ffffc9000255f9e0 R11: ffffffffa0000854 R12: ffffc9000255fda0
R13: 0000000000000004 R14: 0000000000000009 R15: 0000000000000000
 perf_copy_attr+0x45/0x880
 __se_sys_perf_event_open+0xdd/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcb9ff8e9a9
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:00007fcba0d7f038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fcba01b5fa0 RCX: 00007fcb9ff8e9a9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fcba0010d69 R08: 0000000000000009 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcba01b5fa0 R15: 00007fff21c57988
 </TASK>
sched: DL replenish lagged too much
