------------[ cut here ]------------ WARNING: CPU: 0 PID: 18798 at net/core/dev.c:10956 unregister_netdevice_many_notify+0x1554/0x1a20 net/core/dev.c:10956 Modules linked in: CPU: 0 PID: 18798 Comm: syz-executor.0 Not tainted 6.5.0-rc5-syzkaller-01537-gc65dffc6f25c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:unregister_netdevice_many_notify+0x1554/0x1a20 net/core/dev.c:10956 Code: f4 1a 00 00 48 c7 c6 60 69 81 8b 48 c7 c7 a0 69 81 8b c6 05 50 ae 6a 06 01 e8 d8 14 21 f9 0f 0b e9 1c f7 ff ff e8 8c 52 5a f9 <0f> 0b e9 f3 f6 ff ff e8 60 37 af f9 e9 80 ec ff ff 4c 89 e7 e8 b3 RSP: 0018:ffffc9000b43fae0 EFLAGS: 00010283 RAX: 000000000002d8ae RBX: 00000000753f7b01 RCX: ffffc90003af1000 RDX: 0000000000040000 RSI: ffffffff882bce04 RDI: 0000000000000001 RBP: ffff888043dd4000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000094000 R12: ffff8880225c2e00 R13: 0000000000000000 R14: 0000000000000002 R15: ffff8880225c2e00 FS: 00007f30b3a9f6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f30b3a5dd58 CR3: 000000002161e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unregister_netdevice_many net/core/dev.c:10986 [inline] unregister_netdevice_queue+0x2e5/0x3c0 net/core/dev.c:10866 unregister_vlan_dev+0x2a9/0x580 net/8021q/vlan.c:118 vlan_ioctl_handler+0x387/0xa80 net/8021q/vlan.c:627 sock_ioctl+0x4b9/0x6c0 net/socket.c:1283 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f30b2c7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f30b3a9f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f30b2d9bf80 RCX: 00007f30b2c7cae9 RDX: 0000000020002800 RSI: 0000000000008982 RDI: 000000000000000b RBP: 00007f30b2cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f30b2d9bf80 R15: 00007ffd04236dd8