rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (7 ticks this GP) idle=ab3/1/0x4000000000000002 softirq=8394/8396 fqs=5250 
	(detected by 1, t=10502 jiffies, g=10053, q=514)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4775 Comm: syz.3.154 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline]
RIP: 0010:rcu_irq_enter_irqson+0xd0/0x170 kernel/rcu/tree.c:1088
Code: 4c 8d 74 24 20 4c 8b 64 24 40 fa 41 f7 c4 00 02 00 00 75 07 e8 31 f1 d3 08 eb 0f e8 aa ce 1b 00 e8 25 f1 d3 08 e8 80 ca 1b 00 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 ba 34 5f 00
RSP: 0018:ffffc90000007a20 EFLAGS: 00000002
RAX: 0000000000007ab3 RBX: 1ffff92000000f4c RCX: ffffffff8a3f2970
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b8e3b2c8
RBP: ffffc90000007ad0 R08: dffffc0000000000 R09: ffffed10171c765a
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000046
R13: 1ffff92000000f44 R14: ffffc90000007a40 R15: dffffc0000000000
FS:  00007f339f7ab6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002280 CR3: 0000000029dee000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_irq_enable_rcuidle+0xcb/0x190 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+0x84/0x520 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 6d 82 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc90000007bc0 EFLAGS: 00000206
RAX: 9bca5d4fa94c2000 RBX: 1ffff92000000f80 RCX: ffffffff81633db8
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f340
RBP: ffffc90000007c90 R08: dffffc0000000000 R09: fffffbfff2131422
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8cb23d00
R13: ffff88802c305d98 R14: ffffc90000007c00 R15: 1ffff92000000f7c
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x12e/0x140 net/mac80211/util.c:831
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 do_softirq+0x162/0x240 kernel/softirq.c:459
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:383
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 addrconf_ifdown+0x65d/0x1bb0 net/ipv6/addrconf.c:3832
 addrconf_notify+0x432/0xf30
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2018 [inline]
 call_netdevice_notifiers_mtu+0x189/0x220 net/core/dev.c:2067
 dev_set_mtu_ext+0x4b0/0x690 net/core/dev.c:8963
 dev_set_mtu+0xa0/0x180 net/core/dev.c:8984
 vlan_device_event+0x1ae7/0x1dd0 net/8021q/vlan.c:425
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2018 [inline]
 call_netdevice_notifiers_mtu+0x189/0x220 net/core/dev.c:2067
 dev_set_mtu_ext+0x4b0/0x690 net/core/dev.c:8963
 dev_set_mtu+0xa0/0x180 net/core/dev.c:8984
 dev_ifsioc+0x4ad/0x10c0 net/core/dev_ioctl.c:331
 dev_ioctl+0x504/0xf60 net/core/dev_ioctl.c:587
 sock_do_ioctl+0x34f/0x5a0 net/socket.c:1154
 sock_ioctl+0x47f/0x770 net/socket.c:1257
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f33a193ad29
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:00007f339f7ab038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f33a1b2afa0 RCX: 00007f33a193ad29
RDX: 0000000020000080 RSI: 0000000000008922 RDI: 0000000000000006
RBP: 00007f33a19b6b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f33a1b2afa0 R15: 00007fff15bd25f8
 </TASK>