------------[ cut here ]------------
WARNING: CPU: 1 PID: 27167 at net/core/dev.c:10876 netdev_has_any_lower_dev net/core/dev.c:6836 [inline]
WARNING: CPU: 1 PID: 27167 at net/core/dev.c:10876 unregister_netdevice_many_notify+0xed4/0x137c net/core/dev.c:10877
Modules linked in:
CPU: 1 PID: 27167 Comm: syz-executor.1 Not tainted 6.5.0-rc6-syzkaller-00036-g4853c74bd7ab #0
Hardware name: linux,dummy-virt (DT)
pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : unregister_netdevice_many_notify+0xed4/0x137c net/core/dev.c:10876
lr : unregister_netdevice_many_notify+0xa00/0x137c net/core/dev.c:10876
sp : ffff80008cfe7900
x29: ffff80008cfe7910 x28: ffff0000135160d0 x27: 0000000000000002
x26: ffff00000f007380 x25: ffff00000f007380 x24: ffff00000f007380
x23: ffff80008cfe7a60 x22: ffff8000859db580 x21: dfff800000000000
x20: ffff000013516000 x19: ffff80008cfe7ad0 x18: ffff0000115e8a60
x17: 0000000000000000 x16: 0000000000000002 x15: 1fffe000022bd14b
x14: 0000000000000114 x13: 1fffe000022bd148 x12: ffff700010ee65d1
x11: 1ffff00010ee65d0 x10: ffff700010ee65d0 x9 : dfff800000000000
x8 : 00008fffef119a30 x7 : ffff800087732e87 x6 : 0000000000000001
x5 : ffff800087732e80 x4 : ffff700010ee65d1 x3 : ffff80008029e5f0
x2 : 1fffe000026a2c14 x1 : ffff0000120ef320 x0 : 0000000000000001
Call trace:
 netdev_has_any_lower_dev net/core/dev.c:6836 [inline]
 unregister_netdevice_many_notify+0xed4/0x137c net/core/dev.c:10877
 unregister_netdevice_many net/core/dev.c:10906 [inline]
 unregister_netdevice_queue+0x24c/0x30c net/core/dev.c:10786
 unregister_vlan_dev+0x1e4/0x3d8 net/8021q/vlan.c:118
 vlan_ioctl_handler+0x294/0x924 net/8021q/vlan.c:627
 sock_ioctl+0x484/0x5f4 net/socket.c:1271
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0xc4/0x244 arch/arm64/kernel/syscall.c:139
 do_el0_svc+0x50/0x11c arch/arm64/kernel/syscall.c:188
 el0_svc+0x4c/0x134 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 5370
hardirqs last  enabled at (5369): [<ffff800084c2e670>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (5369): [<ffff800084c2e670>] _raw_spin_unlock_irqrestore+0x80/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (5370): [<ffff800084c06d44>] el1_dbg+0x24/0x9c arch/arm64/kernel/entry-common.c:407
softirqs last  enabled at (5338): [<ffff800080011028>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (5338): [<ffff800080011028>] __do_softirq+0x888/0xe1c kernel/softirq.c:582
softirqs last disabled at (5287): [<ffff80008001961c>] ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
unregister_netdevice: waiting for vlan0 to become free. Usage count = 3
ref_tracker: vlan0@0000000072c5ef35 has 1/2 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4077 [inline]
     netdev_hold include/linux/netdevice.h:4106 [inline]
     netdev_hold include/linux/netdevice.h:4101 [inline]
     __netdev_adjacent_dev_insert+0x2e8/0x864 net/core/dev.c:7464
     __netdev_adjacent_dev_link_lists net/core/dev.c:7552 [inline]
     __netdev_adjacent_dev_link_neighbour net/core/dev.c:7576 [inline]
     __netdev_upper_dev_link+0x2b4/0x594 net/core/dev.c:7636
     netdev_upper_dev_link+0x80/0xb0 net/core/dev.c:7682
     register_vlan_dev+0x270/0x69c net/8021q/vlan.c:183
     register_vlan_device net/8021q/vlan.c:277 [inline]
     vlan_ioctl_handler+0x590/0x924 net/8021q/vlan.c:620
     sock_ioctl+0x484/0x5f4 net/socket.c:1271
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:870 [inline]
     __se_sys_ioctl fs/ioctl.c:856 [inline]
     __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:856
     __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:52
     el0_svc_common.constprop.0+0xc4/0x244 arch/arm64/kernel/syscall.c:139
     do_el0_svc+0x50/0x11c arch/arm64/kernel/syscall.c:188
     el0_svc+0x4c/0x134 arch/arm64/kernel/entry-common.c:647
     el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:665
     el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

ref_tracker: vlan0@0000000072c5ef35 has 1/2 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4077 [inline]
     netdev_hold include/linux/netdevice.h:4106 [inline]
     vlan_dev_init+0x7dc/0xb60 net/8021q/vlan_dev.c:622
     register_netdevice+0x420/0x1048 net/core/dev.c:9981
     register_vlan_dev+0x258/0x69c net/8021q/vlan.c:179
     register_vlan_device net/8021q/vlan.c:277 [inline]
     vlan_ioctl_handler+0x590/0x924 net/8021q/vlan.c:620
     sock_ioctl+0x484/0x5f4 net/socket.c:1271
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:870 [inline]
     __se_sys_ioctl fs/ioctl.c:856 [inline]
     __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:856
     __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:52
     el0_svc_common.constprop.0+0xc4/0x244 arch/arm64/kernel/syscall.c:139
     do_el0_svc+0x50/0x11c arch/arm64/kernel/syscall.c:188
     el0_svc+0x4c/0x134 arch/arm64/kernel/entry-common.c:647
     el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:665
     el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

unregister_netdevice: waiting for vlan0 to become free. Usage count = 3
ref_tracker: vlan0@0000000072c5ef35 has 1/2 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4077 [inline]
     netdev_hold include/linux/netdevice.h:4106 [inline]
     netdev_hold include/linux/netdevice.h:4101 [inline]
     __netdev_adjacent_dev_insert+0x2e8/0x864 net/core/dev.c:7464
     __netdev_adjacent_dev_link_lists net/core/dev.c:7552 [inline]
     __netdev_adjacent_dev_link_neighbour net/core/dev.c:7576 [inline]
     __netdev_upper_dev_link+0x2b4/0x594 net/core/dev.c:7636
     netdev_upper_dev_link+0x80/0xb0 net/core/dev.c:7682
     register_vlan_dev+0x270/0x69c net/8021q/vlan.c:183
     register_vlan_device net/8021q/vlan.c:277 [inline]
     vlan_ioctl_handler+0x590/0x924 net/8021q/vlan.c:620
     sock_ioctl+0x484/0x5f4 net/socket.c:1271
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:870 [inline]
     __se_sys_ioctl fs/ioctl.c:856 [inline]
     __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:856
     __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:52
     el0_svc_common.constprop.0+0xc4/0x244 arch/arm64/kernel/syscall.c:139
     do_el0_svc+0x50/0x11c arch/arm64/kernel/syscall.c:188
     el0_svc+0x4c/0x134 arch/arm64/kernel/entry-common.c:647
     el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:665
     el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

ref_tracker: vlan0@0000000072c5ef35 has 1/2 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4077 [inline]
     netdev_hold include/linux/netdevice.h:4106 [inline]
     vlan_dev_init+0x7dc/0xb60 net/8021q/vlan_dev.c:622
     register_netdevice+0x420/0x1048 net/core/dev.c:9981
     register_vlan_dev+0x258/0x69c net/8021q/vlan.c:179
     register_vlan_device net/8021q/vlan.c:277 [inline]
     vlan_ioctl_handler+0x590/0x924 net/8021q/vlan.c:620
     sock_ioctl+0x484/0x5f4 net/socket.c:1271
     vfs_ioctl fs/ioctl.c:51 [inline]
     __do_sys_ioctl fs/ioctl.c:870 [inline]
     __se_sys_ioctl fs/ioctl.c:856 [inline]
     __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:856
     __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:52
     el0_svc_common.constprop.0+0xc4/0x244 arch/arm64/kernel/syscall.c:139
     do_el0_svc+0x50/0x11c arch/arm64/kernel/syscall.c:188
     el0_svc+0x4c/0x134 arch/arm64/kernel/entry-common.c:647
     el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:665
     el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591