rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=135/1/0x4000000000000000 softirq=19245/19246 fqs=5247 
	(detected by 1, t=10502 jiffies, g=27393, q=1493)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8894 Comm: syz.0.1095 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:unwind_next_frame+0x4c/0x1cf0 arch/x86/kernel/unwind_orc.c:424
Code: 48 c1 e8 03 48 89 44 24 10 42 80 3c 30 00 74 05 e8 e9 49 89 00 4c 8b 63 48 48 8d 7b 38 48 89 fd 48 c1 ed 03 42 80 7c 35 00 00 <74> 05 e8 cd 49 89 00 4c 8b 6b 38 49 89 df 49 c1 ef 03 43 0f b6 04
RSP: 0018:ffffc900000070b8 EFLAGS: 00000046
RAX: 1ffff92000000e49 RBX: ffffc90000007200 RCX: dffffc0000000000
RDX: ffffc90000007a10 RSI: ffffc900000072d0 RDI: ffffc90000007238
RBP: 1ffff92000000e47 R08: ffffc900000072d0 R09: ffffc90000007250
R10: dffffc0000000000 R11: fffff52000000e4c R12: ffffffff819c3b96
R13: 1ffff92000000e42 R14: dffffc0000000000 R15: ffffc90000007210
FS:  00007f305f2bc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000007c0fb000 CR4: 00000000003506f0
DR0: 0000200000000780 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __unwind_start+0x51a/0x650 arch/x86/kernel/unwind_orc.c:704
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 perf_callchain_kernel+0x2f4/0x760 arch/x86/events/core.c:2780
 get_perf_callchain+0x356/0x460 kernel/events/callchain.c:200
 perf_callchain kernel/events/core.c:7616 [inline]
 perf_prepare_sample+0x352/0x1cb0 kernel/events/core.c:7643
 __perf_event_output kernel/events/core.c:7812 [inline]
 perf_event_output_forward+0x185/0x2e0 kernel/events/core.c:7832
 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9525
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10057
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007b00 EFLAGS: 00000206
RAX: 512db0cee5e7f000 RBX: 1ffff92000000f64 RCX: 512db0cee5e7f000
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4bc0
RBP: ffffc90000007bd8 R08: ffff8880b8e3b30b R09: 1ffff110171c7661
R10: dffffc0000000000 R11: ffffed10171c7662 R12: ffffffff8d123400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x132/0x140 net/mac80211/util.c:831
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4ea/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:in_lock_functions+0x0/0x20 kernel/locking/spinlock.c:403
Code: cd fe ff ff 48 c7 c1 40 66 08 93 80 e1 07 80 c1 03 38 c1 0f 8c 77 ff ff ff 48 c7 c7 40 66 08 93 e8 35 3e 60 00 e9 66 ff ff ff <48> 81 ff 30 3d d2 89 0f 93 c0 48 81 ff 7e 4d d2 89 0f 92 c1 20 c1
RSP: 0018:ffffc900038ff9d8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffff89d116ac RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff89d116ac
RBP: ffffc900038ffa78 R08: ffff8880b8e3b30b R09: 1ffff110171c7661
R10: dffffc0000000000 R11: ffffed10171c7662 R12: ffff8880b8e3a340
R13: ffff8880b8e3b098 R14: dffffc0000000000 R15: dffffc0000000000
 get_lock_parent_ip include/linux/ftrace.h:857 [inline]
 preempt_latency_start kernel/sched/core.c:5490 [inline]
 preempt_schedule_common+0x43/0xd0 kernel/sched/core.c:6570
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6596
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 try_to_wake_up+0x6cc/0x1020 kernel/sched/core.c:4171
 wake_up_process kernel/sched/core.c:4234 [inline]
 wake_up_q+0x78/0xc0 kernel/sched/core.c:953
 futex_wake+0x4a9/0x540 kernel/futex/core.c:1702
 do_futex+0xd83/0x12b0 kernel/futex/core.c:4023
 __do_sys_futex kernel/futex/core.c:4095 [inline]
 __se_sys_futex+0x389/0x420 kernel/futex/core.c:4076
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3061065559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f305f2bc0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f30612ebfa8 RCX: 00007f3061065559
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f30612ebfac
RBP: 00007f30612ebfa0 R08: 0008b2e0fc55e0d2 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f30612ec038 R14: 00007ffde5c439c0 R15: 00007ffde5c43aa8
 </TASK>