device veth0_vlan left promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9330 at fs/kernfs/dir.c:496 kernfs_get.part.0+0x69/0x80 fs/kernfs/dir.c:496
Modules linked in:
CPU: 1 PID: 9330 Comm: kworker/u4:6 Not tainted 5.16.0-rc2-next-20211125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:kernfs_get.part.0+0x69/0x80 fs/kernfs/dir.c:496
Code: 31 ff 89 ee e8 c8 a4 7d ff 85 ed 74 18 e8 9f a2 7d ff be 04 00 00 00 48 89 df e8 02 35 c8 ff f0 ff 03 5b 5d c3 e8 87 a2 7d ff <0f> 0b eb df 48 89 df e8 6b 31 c8 ff eb c6 66 0f 1f 84 00 00 00 00
RSP: 0018:ffffc90002b3f740 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888000100910 RCX: 0000000000000000
RDX: ffff88801cbad7c0 RSI: ffffffff81fa4259 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff888000100913
R10: ffffffff81fa4238 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888000100910
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0eff878ab4 CR3: 000000000b88e000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 kernfs_get fs/kernfs/dir.c:495 [inline]
 __kernfs_remove+0x2a8/0xab0 fs/kernfs/dir.c:1342
 kernfs_remove_by_name_ns+0x4f/0xa0 fs/kernfs/dir.c:1544
 kernfs_remove_by_name include/linux/kernfs.h:570 [inline]
 remove_files+0x96/0x1c0 fs/sysfs/group.c:28
 sysfs_remove_group+0x87/0x170 fs/sysfs/group.c:288
 sysfs_remove_groups fs/sysfs/group.c:312 [inline]
 sysfs_remove_groups+0x5c/0xa0 fs/sysfs/group.c:304
 device_remove_groups drivers/base/core.c:2480 [inline]
 device_remove_attrs+0xcb/0x170 drivers/base/core.c:2680
 device_del+0x4fa/0xd60 drivers/base/core.c:3580
 unregister_netdevice_many+0xd35/0x1850 net/core/dev.c:10423
 default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:10926
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:593
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2299
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2446
 kthread+0x405/0x4f0 kernel/kthread.c:345
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>