rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1):
	(detected by 0, t=10502 jiffies, g=627269, q=8)
rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4295260022-4295249522), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10500 jiffies! g627269 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:29232 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x934/0x2710 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1892
 rcu_gp_fqs_loop kernel/rcu/tree.c:2004 [inline]
 rcu_gp_kthread+0xd1a/0x2300 kernel/rcu/tree.c:2177
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7458 Comm: syz-executor.0 Tainted: G        W         5.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3be/0xb40 kernel/locking/qspinlock.c:508
Code: 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c f3 90 41 83 ec 01 <0f> 84 72 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 c0 0f 85 91 05 00
RSP: 0018:ffffc90000dc0a30 EFLAGS: 00000202
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff18ee238
RDX: 0000000000000001 RSI: ffffffff817b97b1 RDI: ffffffff81331571
RBP: ffffffff8c7711c0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff817b9779 R11: 0000000000000080 R12: 000000000000707a
R13: fffffbfff18ee238 R14: 0000000000000001 R15: ffff8880b9d52840
FS:  00007f15158da700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd22000 CR3: 000000007d68f000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113
 spin_lock include/linux/spinlock.h:354 [inline]
 mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1516
 mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784
 mac80211_hwsim_beacon_tx+0x4b7/0x920 drivers/net/wireless/mac80211_hwsim.c:1838
 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618
 __do_softirq+0x29b/0x9bd kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:ct_state include/linux/context_tracking.h:98 [inline]
RIP: 0010:schedule_debug kernel/sched/core.c:5257 [inline]
RIP: 0010:__schedule+0x9fb/0x2710 kernel/sched/core.c:5831
Code: 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec 13 00 00 41 83 86 f4 0c 00 00 01 e9 0e f8 ff ff 65 8b 05 95 92 e3 76 <e9> be f7 ff ff 49 8d 7d 68 48 b8 00 00 00 00 00 fc ff df 48 89 fa
RSP: 0018:ffffc9000b13f050 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffff92001627e12
RDX: 1ffff92001627000 RSI: 0000000000000001 RDI: ffff888018700020
RBP: ffffc9000b13f118 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff817b9798 R11: 0000000000000001 R12: ffff8880b9d51a40
R13: ffff888018700000 R14: 0000000000051a40 R15: ffffc9000b138000
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6328
 irqentry_exit+0x31/0x80 kernel/entry/common.c:427
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:led_trigger_register+0x103/0x530 drivers/leds/led-triggers.c:294
Code: 03 49 8d 04 2f 48 89 04 24 e8 e9 54 08 fb 48 89 d8 48 c1 e8 03 80 3c 28 00 0f 85 53 03 00 00 48 8b 3b 4c 89 f6 e8 2d 36 80 fd <31> ff 41 89 c5 89 c6 e8 01 5c 08 fb 45 85 ed 75 55 e8 b7 54 08 fb
RSP: 0018:ffffc9000b13f1f8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff88806d942ce8 RCX: ffffc90001891000
RDX: 0000000000000003 RSI: ffff888088117ce3 RDI: ffff8880333f4ac3
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8cdcb66f
R10: ffffffff866d2d4f R11: 0000000000000000 R12: ffff88807d4f2ce8
R13: 0000000000000001 R14: ffff888088117ce0 R15: 1ffff1100fa9e5a0
 ieee80211_led_init+0x2d1/0x800 net/mac80211/led.c:173
 ieee80211_register_hw+0x1b4e/0x3ef0 net/mac80211/main.c:1237
 mac80211_hwsim_new_radio+0x2106/0x4940 drivers/net/wireless/mac80211_hwsim.c:3358
 hwsim_new_radio_nl+0x9bc/0x1080 drivers/net/wireless/mac80211_hwsim.c:3924
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x85b/0xda0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:723
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f15158da188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffc992e8cff R14: 00007f15158da300 R15: 0000000000022000