rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (3232 ticks this GP) idle=95e/1/0x4000000000000000 softirq=112629/112629 fqs=4756 
	(t=10500 jiffies g=189617 q=909)
NMI backtrace for cpu 0
CPU: 0 PID: 16279 Comm: syz-executor.3 Not tainted 5.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x1e3/0x21e kernel/rcu/tree_stall.h:331
 print_cpu_stall kernel/rcu/tree_stall.h:563 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:637 [inline]
 rcu_pending kernel/rcu/tree.c:3694 [inline]
 rcu_sched_clock_irq.cold+0x472/0xee8 kernel/rcu/tree.c:2567
 update_process_times+0x77/0xd0 kernel/time/timer.c:1709
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176
 tick_sched_timer+0x1d1/0x2a0 kernel/time/tick-sched.c:1328
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x1ce/0xea0 kernel/time/hrtimer.c:1583
 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1645
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1097
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0x48/0x100 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x20 kernel/kcov.c:284
Code: 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 cc fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 ae fe ff ff 0f 1f 40 00 66 2e 0f 1f
RSP: 0018:ffffc900000078c8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffffffffffffff RCX: ffffffff884cf8e5
RDX: 1ffff92000000fac RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90000007d48 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000080 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff8880303b0c00 R14: 0000000000000001 R15: 00000000ffffffff
 ieee80211_rx_get_bigtk+0x45/0x4b0 net/mac80211/rx.c:1873
 ieee80211_rx_h_decrypt net/mac80211/rx.c:2018 [inline]
 ieee80211_rx_handlers+0x32c8/0xae50 net/mac80211/rx.c:3782
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3834 [inline]
 ieee80211_prepare_and_rx_handle+0x2482/0x6360 net/mac80211/rx.c:4518
 __ieee80211_rx_handle_packet net/mac80211/rx.c:4579 [inline]
 ieee80211_rx_list+0xdf3/0x23d0 net/mac80211/rx.c:4759
 ieee80211_rx_napi+0xf7/0x3d0 net/mac80211/rx.c:4780
 ieee80211_rx include/net/mac80211.h:4502 [inline]
 ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235
 tasklet_action_common.constprop.0+0x22f/0x2d0 kernel/softirq.c:560
 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x132/0x200 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5440 [inline]
RIP: 0010:lock_acquire+0x2c7/0x740 kernel/locking/lockdep.c:5402
Code: 48 c7 c7 40 5f 4b 89 48 83 c4 20 e8 c3 77 8f 07 b8 ff ff ff ff 65 0f c1 05 56 d2 ab 7e 83 f8 01 0f 85 36 03 00 00 ff 34 24 9d <e9> 3a fe ff ff 65 ff 05 fd c0 ab 7e 48 8b 05 76 bf 82 0b e8 51 6c
RSP: 0018:ffffc900012ffd28 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 1ffff9200025ffa7 RCX: 0000000000000001
RDX: 1ffff1100a7b27b2 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8ebb06f7
R10: fffffbfff1d760de R11: 0000000000000000 R12: 0000000000000000
R13: ffff88804807ecc8 R14: 0000000000000000 R15: 0000000000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:354 [inline]
 setfl fs/fcntl.c:79 [inline]
 do_fcntl+0x696/0x1070 fs/fcntl.c:347
 __do_sys_fcntl fs/fcntl.c:463 [inline]
 __se_sys_fcntl fs/fcntl.c:448 [inline]
 __x64_sys_fcntl+0x165/0x1e0 fs/fcntl.c:448
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e159
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0967565c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000048
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e159
RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffdff659a7f R14: 00007f09675669c0 R15: 000000000119bf8c