rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (5 ticks this GP) idle=149/1/0x4000000000000000 softirq=14853/14853 fqs=2101 
	(detected by 1, t=10506 jiffies, g=18093, q=1488)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6858 Comm: syz.2.737 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__this_cpu_preempt_check+0x0/0x10 lib/smp_processor_id.c:65
Code: 48 89 da e8 a2 46 f5 ff 48 8b 74 24 30 48 c7 c7 40 0a 7a 8a e8 91 46 f5 ff e8 bc 07 f8 ff eb a8 e8 d5 ee ff ff 0f 1f 44 00 00 <48> 89 fe 48 c7 c7 c0 09 7a 8a e9 e1 fe ff ff 00 eb 1e 0f 1f 00 48
RSP: 0018:ffffc90000007330 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff88802a213b80 RCX: 0000000000000001
RDX: 0000000000000100 RSI: ffffffff8c31f360 RDI: ffffffff8a2b4420
RBP: 0000000000000001 R08: ffffc90000007437 R09: ffffc90000007420
R10: dffffc0000000000 R11: fffff52000000e87 R12: 0000000000000001
R13: 0000000000000046 R14: ffffffff8c31f360 R15: ffff88802a214698
FS:  00007faa404d96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f99a1d26dac CR3: 000000001d9f8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:436 [inline]
 lock_is_held_type+0x100/0x190 kernel/locking/lockdep.c:5667
 __perf_output_begin kernel/events/ring_buffer.c:170 [inline]
 perf_output_begin_forward+0x1af/0xa40 kernel/events/ring_buffer.c:271
 __perf_event_output kernel/events/core.c:7804 [inline]
 perf_event_output_forward+0x19b/0x2e0 kernel/events/core.c:7822
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_tp_event+0x383/0xbf0 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 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 f2 cc 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: fdae24c246763600 RBX: 1ffff92000000f64 RCX: fdae24c246763600
RDX: dffffc0000000000 RSI: ffffffff8a2b3180 RDI: ffffffff8a7a09c0
RBP: ffffc90000007bd8 R08: ffffffff901d80cf R09: 1ffffffff203b019
R10: dffffc0000000000 R11: fffffbfff203b01a R12: ffffffff8c323800
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+0x4f2/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x339/0x830 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:lockdep_enabled kernel/locking/lockdep.c:88 [inline]
RIP: 0010:lock_release+0xe9/0x8a0 kernel/locking/lockdep.c:5636
Code: c0 84 3a 8a 8d 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 5b 05 00 00 83 3d 38 92 2c 0c 00 0f 84 b9 04 00 00 65 8b 05 e7 d0 a4 7e <85> c0 0f 85 aa 04 00 00 65 48 8b 1d 57 c7 a4 7e 4c 8d b3 ec 0a 00
RSP: 0018:ffffc9000305f640 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: fdae24c246763600
RDX: 0000000000000000 RSI: ffffffff8a7a09a0 RDI: ffffffff8a7a0960
RBP: ffffc9000305f750 R08: ffffffff8d8a06ef R09: 1ffffffff1b140dd
R10: dffffc0000000000 R11: fffffbfff1b140de R12: 1ffff9200060bed4
R13: dffffc0000000000 R14: ffff888023747098 R15: 1ffff9200060bed4
 rcu_read_unlock include/linux/rcupdate.h:773 [inline]
 inet_twsk_purge+0x7a7/0x840 net/ipv4/inet_timewait_sock.c:309
 ops_exit_list net/core/net_namespace.c:177 [inline]
 setup_net+0x844/0xa10 net/core/net_namespace.c:365
 copy_net_ns+0x348/0x5b0 net/core/net_namespace.c:503
 create_new_namespaces+0x3d3/0x6f0 kernel/nsproxy.c:110
 copy_namespaces+0x37d/0x3e0 kernel/nsproxy.c:178
 copy_process+0x1834/0x3e20 kernel/fork.c:2293
 kernel_clone+0x23f/0x990 kernel/fork.c:2679
 __do_sys_clone kernel/fork.c:2796 [inline]
 __se_sys_clone kernel/fork.c:2780 [inline]
 __x64_sys_clone+0x19a/0x210 kernel/fork.c:2780
 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: 0033:0x7faa4227fe59
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:00007faa404d8fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007faa424f8fa0 RCX: 00007faa4227fe59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040800000
RBP: 00007faa42315d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007faa424f9038 R14: 00007faa424f8fa0 R15: 00007ffd9f654688
 </TASK>