netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
WARNING: CPU: 1 PID: 997 at net/core/devlink.c:10331 devl_port_unregister+0x25c/0x2d0 net/core/devlink.c:10331
Modules linked in:
CPU: 0 PID: 997 Comm: kworker/u4:5 Not tainted 6.2.0-rc7-syzkaller-00199-g420b2d431d18 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: netns cleanup_net
RIP: 0010:devl_port_unregister+0x25c/0x2d0 net/core/devlink.c:10331
Code: e8 99 f9 9d f9 85 ed 0f 85 20 fe ff ff e8 dc fc 9d f9 0f 0b e9 14 fe ff ff e8 d0 fc 9d f9 0f 0b e9 4b ff ff ff e8 c4 fc 9d f9 <0f> 0b e9 3a fe ff ff e8 e8 0e ec f9 e9 d8 fe ff ff e8 de 0e ec f9
RSP: 0018:ffffc900051cfa00 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88806f42e010 RCX: 0000000000000000
RDX: ffff88801f903a80 RSI: ffffffff87e2fb4c RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806f42e010
R13: ffff88806f42e030 R14: ffff88806fa70000 R15: ffff88806f42e000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fb6bfdc950 CR3: 00000000292c9000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __nsim_dev_port_del+0x1bb/0x240 drivers/net/netdevsim/dev.c:1430
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1440 [inline]
 nsim_dev_reload_destroy+0x171/0x510 drivers/net/netdevsim/dev.c:1657
 nsim_dev_reload_down+0x6f/0xe0 drivers/net/netdevsim/dev.c:968
 devlink_reload+0x1ca/0x6f0 net/core/devlink.c:4741
 devlink_pernet_pre_exit+0x108/0x1d0 net/core/devlink.c:13003
 ops_pre_exit_list net/core/net_namespace.c:159 [inline]
 cleanup_net+0x455/0xb10 net/core/net_namespace.c:594
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>