rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10505 ticks this GP) idle=0c9c/1/0x4000000000000000 softirq=48234/48238 fqs=4753
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   952044          0            0
rcu: 	cputime:    24988      27491           98   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=25037 q=2368 ncpus=2)
CPU: 1 UID: 0 PID: 9517 Comm: syz.1.1118 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 62 2c f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900001e0b40 EFLAGS: 00000206
RAX: cf66e28808e98300 RBX: 1ffff9200003c170 RCX: cf66e28808e98300
RDX: 0000000000000003 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc900001e0c28 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
FS:  00007fadb08016c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055aa2d5ce620 CR3: 000000010cf2e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 00000000000000fd DR2: 00000000000000fd
DR3: 00000000000000fd DR6: 00000000ffff0ff0 DR7: 0000000000000602
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 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 8b 2d 21 f6 e8 c6 00 58 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:ffffc900069463a0 EFLAGS: 00000286
RAX: cf66e28808e98300 RBX: 0000000000000000 RCX: cf66e28808e98300
RDX: 0000000000000007 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90006946450 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d28c74
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__slab_free+0x143/0x400
Code: 4d 89 d5 e8 bf 07 58 09 4d 89 ea 4c 89 f7 4c 89 f9 41 89 e8 48 89 de 4c 8b 4e 20 4c 8b 6e 28 48 8b 04 24 8b 40 28 4c 89 0c 08 <44> 89 e8 44 29 c0 44 0f b7 c0 45 85 c0 0f 95 c0 4d 85 c9 0f 95 c1
RSP: 0018:ffffc90006946518 EFLAGS: 00000246
RAX: 0000000000000008 RBX: ffffc900069465d0 RCX: ffff88810716be20
RDX: ffff88810716be20 RSI: ffffea00041c5ac0 RDI: ffffffff00000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88810716bf20
R10: 0000000000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 000000000080003b R14: 0000000000000000 R15: ffff88810716be20
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 __kernfs_new_node+0xd7/0x7e0
 kernfs_new_node+0x102/0x210
 __kernfs_create_file+0x4b/0x2e0
 sysfs_add_file_mode_ns+0x238/0x300
 internal_create_group+0x66d/0x1110
 sysfs_create_groups+0x59/0x120
 device_add_attrs+0xe0/0x5a0
 device_add+0x496/0xb50
 netdev_register_kobject+0x156/0x2f0
 register_netdevice+0x126c/0x1ae0
 cfg80211_register_netdevice+0x150/0x2f0
 ieee80211_if_add+0xe60/0x1390
 ieee80211_register_hw+0x350d/0x4120
 mac80211_hwsim_new_radio+0x2f0e/0x5340
 hwsim_new_radio_nl+0xea4/0x1b10
 genl_family_rcv_msg_doit+0x215/0x300
 genl_rcv_msg+0x60e/0x790
 netlink_rcv_skb+0x208/0x470
 genl_rcv+0x28/0x40
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fadaf98e9a9
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:00007fadb0801038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fadafbb5fa0 RCX: 00007fadaf98e9a9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000009
RBP: 00007fadafa10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fadafbb5fa0 R15: 00007ffd78c1f508
 </TASK>
sched: DL replenish lagged too much
