------------[ cut here ]------------
kernel BUG at net/8021q/vlan.c:100!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.14.0-rc7-syzkaller-00163-gcec7dde2a926 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: netns cleanup_net
RIP: 0010:unregister_vlan_dev+0x4b5/0x4c0 net/8021q/vlan.c:100
Code: df e8 9f a2 f7 f6 e9 ea fe ff ff e8 65 63 90 f6 48 c7 c7 40 4e 0e 90 4c 89 f6 e8 86 df fc f9 e9 cb fd ff ff e8 4c 63 90 f6 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000127890 EFLAGS: 00010293
RAX: ffffffff8b317d34 RBX: ffff88805c734428 RCX: ffff88801d6d8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88805901ce2a R08: ffffffff89d13d56 R09: 1ffffffff1fdabdc
R10: dffffc0000000000 R11: fffffbfff1fdabdd R12: ffff88805901c000
R13: ffffc900001279a0 R14: ffff88805c734000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3020eff8 CR3: 0000000025490000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 default_device_exit_batch+0x74d/0x880 net/core/dev.c:12429
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x8ad/0xd60 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:unregister_vlan_dev+0x4b5/0x4c0 net/8021q/vlan.c:100
Code: df e8 9f a2 f7 f6 e9 ea fe ff ff e8 65 63 90 f6 48 c7 c7 40 4e 0e 90 4c 89 f6 e8 86 df fc f9 e9 cb fd ff ff e8 4c 63 90 f6 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000127890 EFLAGS: 00010293
RAX: ffffffff8b317d34 RBX: ffff88805c734428 RCX: ffff88801d6d8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88805901ce2a R08: ffffffff89d13d56 R09: 1ffffffff1fdabdc
R10: dffffc0000000000 R11: fffffbfff1fdabdd R12: ffff88805901c000
R13: ffffc900001279a0 R14: ffff88805c734000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3020dff8 CR3: 00000000323c2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400