netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 948 at net/core/devlink.c:11162 devlink_trap_groups_unregister+0x347/0x370 net/core/devlink.c:11162
Modules linked in:
CPU: 0 PID: 948 Comm: kworker/u4:4 Not tainted 5.15.0-rc7-next-20211026-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:devlink_trap_groups_unregister+0x347/0x370 net/core/devlink.c:11162
Code: ff e8 ad c2 8f f9 eb 05 e8 a6 c2 8f f9 48 8b 7c 24 08 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 be dc c4 01 e8 89 c2 8f f9 <0f> 0b e9 0f fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c dc fc
RSP: 0018:ffffc90004f8fa70 EFLAGS: 00010293
RAX: ffffffff87ec2ed7 RBX: 0000000000000006 RCX: ffff888018810000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888019cdd398 R08: dffffc0000000000 R09: fffffbfff1b39946
R10: fffffbfff1b39946 R11: 0000000000000000 R12: ffff888019cdd2e0
R13: ffff888019cdd000 R14: dffffc0000000000 R15: 1ffff1100339ba5e
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ca00291a48 CR3: 000000007f2cb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nsim_dev_traps_exit drivers/net/netdevsim/dev.c:849 [inline]
 nsim_dev_reload_destroy+0x21f/0x330 drivers/net/netdevsim/dev.c:1559
 nsim_dev_reload_down+0xfb/0x150 drivers/net/netdevsim/dev.c:883
 devlink_reload+0x1be/0x660 net/core/devlink.c:4040
 devlink_pernet_pre_exit+0x136/0x270 net/core/devlink.c:11477
 ops_pre_exit_list net/core/net_namespace.c:158 [inline]
 cleanup_net+0x5b8/0xbe0 net/core/net_namespace.c:581
 process_one_work+0x7b4/0x1070 kernel/workqueue.c:2298
 worker_thread+0xac1/0x1320 kernel/workqueue.c:2445
 kthread+0x468/0x490 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30
 </TASK>