netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 2 PID: 5207 at net/core/devlink.c:10331 devl_port_unregister+0x25c/0x2d0 net/core/devlink.c:10331 Modules linked in: CPU: 2 PID: 5207 Comm: kworker/u16:3 Not tainted 6.2.0-rc8-syzkaller-00027-g033c40a89f55 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: netns cleanup_net RIP: 0010:devl_port_unregister+0x25c/0x2d0 net/core/devlink.c:10331 Code: e8 b9 5d 9b f9 85 ed 0f 85 20 fe ff ff e8 fc 60 9b f9 0f 0b e9 14 fe ff ff e8 f0 60 9b f9 0f 0b e9 4b ff ff ff e8 e4 60 9b f9 <0f> 0b e9 3a fe ff ff e8 98 8e ea f9 e9 d8 fe ff ff e8 8e 8e ea f9 RSP: 0018:ffffc9000337fa00 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801b34c010 RCX: 0000000000000000 RDX: ffff88802657e240 RSI: ffffffff87e4c97c RDI: 0000000000000005 RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801b34c010 R13: ffff88801b34c030 R14: ffff888024b8f000 R15: ffff88801b34c000 FS: 0000000000000000(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fab4522238 CR3: 0000000072bed000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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