[ 1.999002] netdevsim netdevsim304 eni304np1: renamed from eth0
[ 2.103637] netdevsim netdevsim304 eni304np1: set [0, 0] type 1 family 0 port 4789 - 0
[ 2.186139] netdevsim netdevsim304 eni304np1: unset [0, 0] type 1 family 0 port 4789 - 0
[ 2.214248] netdevsim netdevsim304 eni304np1: set [0, 0] type 1 family 0 port 4789 - 0
[ 2.316706] netdevsim netdevsim304 eni304np1: set [0, 1] type 1 family 0 port 4790 - 0
[ 2.375997] netdevsim netdevsim304 eni304np1: set [1, 0] type 2 family 0 port 6081 - 0
[ 2.515951] ------------[ cut here ]------------
[ 2.516091] refcount_t: underflow; use-after-free.
[ 2.516177] WARNING: CPU: 2 PID: 321 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[ 2.516298] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel netdevsim
[ 2.516381] CPU: 2 UID: 0 PID: 321 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary)
[ 2.516490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.516554] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[ 2.516611] Code: 9d e8 e8 de ba ff 90 0f 0b 90 90 c3 80 3d 09 da eb 00 00 75 89 c6 05 00 da eb 00 01 90 48 c7 c7 20 33 d3 9d e8 c5 de ba ff 90 <0f> 0b 90 90 c3 80 3d e4 d9 eb 00 00 0f 85 62 ff ff ff c6 05 d7 d9
[ 2.516782] RSP: 0018:ffffaf00004bf730 EFLAGS: 00010282
[ 2.516894] RAX: 0000000000000000 RBX: ffffaf00004bf740 RCX: 00000000ffffdfff
[ 2.517001] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[ 2.517102] RBP: ffffaf00004bf268 R08: ffffffff9e156a28 R09: 00000000ffffdfff
[ 2.517197] R10: ffffffff9e076a40 R11: ffffffff9e126a40 R12: dead000000000122
[ 2.517293] R13: 00000000fffb7573 R14: 0000000000000001 R15: ffff9303c2c3f000
[ 2.517378] FS: 00007fa34affc800(0000) GS:ffff9304604d9000(0000) knlGS:0000000000000000
[ 2.517461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.517530] CR2: 0000561dbb08b148 CR3: 000000000652b003 CR4: 0000000000772ef0
[ 2.517617] PKRU: 55555554
[ 2.517664] Call Trace:
[ 2.517712]
[ 2.517762] netdev_run_todo+0x21a/0x550
[ 2.517827] rtnl_dellink+0x15b/0x350
[ 2.517905] ? virtio_fs_enqueue_req+0x352/0x570
[ 2.517984] ? netdev_run_todo+0x63/0x550
[ 2.518051] ? rtnl_bridge_getlink+0x1a0/0x1a0
[ 2.518126] rtnetlink_rcv_msg+0x358/0x400
[ 2.518190] ? get_page_from_freelist+0x15b4/0x1770
[ 2.518268] ? rtnl_calcit.isra.0+0x110/0x110
[ 2.518339] netlink_rcv_skb+0x57/0x100
[ 2.518408] netlink_unicast+0x252/0x380
[ 2.518466] ? __alloc_skb+0xdb/0x190
[ 2.518530] netlink_sendmsg+0x1be/0x3e0
[ 2.518589] ____sys_sendmsg+0x132/0x260
[ 2.518657] ? copy_msghdr_from_user+0x6c/0xa0
[ 2.518723] ___sys_sendmsg+0x87/0xd0
[ 2.518783] ? do_wp_page+0x369/0xe90
[ 2.518846] ? ___pte_offset_map+0x1b/0xd0
[ 2.518921] ? __handle_mm_fault+0x4e6/0xe50
[ 2.518984] ? fsnotify_grab_connector+0x48/0x80
[ 2.519049] ? fsnotify_destroy_marks+0x29/0x150
[ 2.519159] __sys_sendmsg+0x71/0xd0
[ 2.519214] do_syscall_64+0xa4/0xfd0
[ 2.519272] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.519336] RIP: 0033:0x7fa34b1ca1d7
[ 2.519393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 2.519525] RSP: 002b:00007ffcb60f4378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2.519596] RAX: ffffffffffffffda RBX: 00007ffcb60f4aa0 RCX: 00007fa34b1ca1d7
[ 2.519670] RDX: 0000000000000000 RSI: 00007ffcb60f43e0 RDI: 0000000000000005
[ 2.519740] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 2.519819] R10: 00007fa34b0c6f60 R11: 0000000000000246 R12: 0000000000000002
[ 2.519903] R13: 00000000690de69c R14: 0000000000499600 R15: 0000000000000000
[ 2.519975]
[ 2.520014] ---[ end trace 0000000000000000 ]---
[ 2.520690] ip (321) used greatest stack depth: 11744 bytes left
[ 2.593274] netdevsim netdevsim304 eni304np1: unset [0, 0] type 1 family 0 port 4789 - 0
[ 2.626384] netdevsim netdevsim304 eni304np1: unset [0, 1] type 1 family 0 port 4790 - 0
[ 2.667360] netdevsim netdevsim304 eni304np1: unset [1, 0] type 2 family 0 port 6081 - 0
[ 2.845216] netdevsim netdevsim304 eni304np2: renamed from eth0
[ 2.949982] netdevsim netdevsim304 eni304np1: set [0, 0] type 1 family 0 port 4789 - 0
[ 2.950093] netdevsim netdevsim304 eni304np2: set [0, 0] type 1 family 0 port 4789 - 0
[ 3.036134] netdevsim netdevsim304 eni304np1: unset [0, 0] type 1 family 0 port 4789 - 0
[ 3.036277] netdevsim netdevsim304 eni304np2: unset [0, 0] type 1 family 0 port 4789 - 0
[ 3.064104] netdevsim netdevsim304 eni304np1: set [0, 0] type 1 family 0 port 4789 - 0
[ 3.064245] netdevsim netdevsim304 eni304np2: set [0, 0] type 1 family 0 port 4789 - 0
[ 3.168833] netdevsim netdevsim304 eni304np1: set [0, 1] type 1 family 0 port 4790 - 0
[ 3.168965] netdevsim netdevsim304 eni304np2: set [0, 1] type 1 family 0 port 4790 - 0
[ 3.234767] netdevsim netdevsim304 eni304np1: set [1, 0] type 2 family 0 port 6081 - 0
[ 3.234960] netdevsim netdevsim304 eni304np2: set [1, 0] type 2 family 0 port 6081 - 0
[ 3.279717] netdevsim netdevsim304 eni304np2: unset [0, 0] type 1 family 0 port 4789 - 0
[ 3.279842] netdevsim netdevsim304 eni304np2: unset [0, 1] type 1 family 0 port 4790 - 0
[ 3.279953] netdevsim netdevsim304 eni304np2: unset [1, 0] type 2 family 0 port 6081 - 0
[ 3.292629] netdevsim netdevsim304 eni304np2: set [0, 0] type 1 family 0 port 4789 - 0
[ 3.292787] netdevsim netdevsim304 eni304np2: set [0, 1] type 1 family 0 port 4790 - 0
[ 3.292870] netdevsim netdevsim304 eni304np2: set [1, 0] type 2 family 0 port 6081 - 0
[ 3.434270] netdevsim netdevsim304 eni304np1: unset [0, 0] type 1 family 0 port 4789 - 0
[ 3.434477] netdevsim netdevsim304 eni304np2: unset [0, 0] type 1 family 0 port 4789 - 0
[ 3.469421] netdevsim netdevsim304 eni304np1: unset [0, 1] type 1 family 0 port 4790 - 0
[ 3.469635] netdevsim netdevsim304 eni304np2: unset [0, 1] type 1 family 0 port 4790 - 0
[ 3.504371] netdevsim netdevsim304 eni304np1: unset [1, 0] type 2 family 0 port 6081 - 0
[ 3.504550] netdevsim netdevsim304 eni304np2: unset [1, 0] type 2 family 0 port 6081 - 0
[ 3.656964] ------------[ cut here ]------------
[ 3.657152] kernel BUG at net/core/net-sysfs.c:2246!
[ 3.657272] Oops: invalid opcode: 0000 [#1] SMP
[ 3.657319] CPU: 2 UID: 0 PID: 417 Comm: modprobe Tainted: G W 6.18.0-rc4-virtme #1 PREEMPT(voluntary)
[ 3.657390] Tainted: [W]=WARN
[ 3.657418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3.657463] RIP: 0010:netdev_release+0x2d/0x30
[ 3.657510] Code: fa 0f 1f 44 00 00 80 7f e0 04 75 1d 55 48 8d af e0 fa ff ff 48 8b bf 10 fc ff ff e8 6d 99 a6 ff 48 89 ef 5d e9 24 a0 a6 ff 90 <0f> 0b 90 f3 0f 1e fa 0f 1f 44 00 00 55 48 89 f5 48 8d 97 f8 fb ff
[ 3.657641] RSP: 0018:ffffaf00002cbc70 EFLAGS: 00010297
[ 3.657678] RAX: ffffffff9d730c30 RBX: 00000000ffffffff RCX: 0000000000000004
[ 3.657738] RDX: 0000000000000008 RSI: ffffffff9d54f524 RDI: ffff9303c313c520
[ 3.657806] RBP: ffff9303c313c520 R08: 0000000000000010 R09: 0000000000000018
[ 3.657870] R10: 0000000000000400 R11: 0000000000000020 R12: ffff9303c5ebf200
[ 3.657939] R13: ffffffff9dab1420 R14: ffff9303c2f26560 R15: ffff9303c313c000
[ 3.658009] FS: 00007ff1ba5b4740(0000) GS:ffff9304604d9000(0000) knlGS:0000000000000000
[ 3.658078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.658144] CR2: 00007ff1ba61f12f CR3: 0000000005c42005 CR4: 0000000000772ef0
[ 3.658225] PKRU: 55555554
[ 3.658273] Call Trace:
[ 3.658300]
[ 3.658328] device_release+0x35/0x90
[ 3.658383] kobject_put+0x64/0xc0
[ 3.658430] netdev_run_todo+0x21a/0x550
[ 3.658482] nsim_destroy+0x95/0x180 [netdevsim]
[ 3.658545] __nsim_dev_port_del+0x47/0x70 [netdevsim]
[ 3.658607] nsim_dev_reload_destroy+0x5b/0x120 [netdevsim]
[ 3.658664] nsim_drv_remove+0x2f/0xb0 [netdevsim]
[ 3.658722] device_release_driver_internal+0x193/0x200
[ 3.658783] bus_remove_device+0xc1/0x100
[ 3.658824] device_del+0x15f/0x480
[ 3.658869] device_unregister+0x12/0x30
[ 3.658915] nsim_bus_exit+0xb5/0x130 [netdevsim]
[ 3.658967] nsim_module_exit+0x15/0x260 [netdevsim]
[ 3.659026] __do_sys_delete_module+0x172/0x260
[ 3.659086] do_syscall_64+0xa4/0xfd0
[ 3.659136] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 3.659196] RIP: 0033:0x7ff1ba6e36eb
[ 3.659236] Code: 73 01 c3 48 8b 0d 0d 97 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 96 0e 00 f7 d8 64 89 01 48
[ 3.659415] RSP: 002b:00007fff724f2cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[ 3.659488] RAX: ffffffffffffffda RBX: 000056550ff5e960 RCX: 00007ff1ba6e36eb
[ 3.659571] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000056550ff5e9c8
[ 3.659649] RBP: 000056550ff5e960 R08: 0000000000000000 R09: 0000000000000000
[ 3.659726] R10: 00007ff1ba772ac0 R11: 0000000000000206 R12: 000056550ff5e9c8
[ 3.659793] R13: 0000000000000000 R14: 000056550ff5e9c8 R15: 00007fff724f5008
[ 3.659858]
[ 3.659882] Modules linked in: netdevsim(-) [last unloaded: ip6_udp_tunnel]
[ 3.659990] ---[ end trace 0000000000000000 ]---
[ 3.660069] RIP: 0010:netdev_release+0x2d/0x30
[ 3.660144] Code: fa 0f 1f 44 00 00 80 7f e0 04 75 1d 55 48 8d af e0 fa ff ff 48 8b bf 10 fc ff ff e8 6d 99 a6 ff 48 89 ef 5d e9 24 a0 a6 ff 90 <0f> 0b 90 f3 0f 1e fa 0f 1f 44 00 00 55 48 89 f5 48 8d 97 f8 fb ff
[ 3.660310] RSP: 0018:ffffaf00002cbc70 EFLAGS: 00010297
[ 3.660380] RAX: ffffffff9d730c30 RBX: 00000000ffffffff RCX: 0000000000000004
[ 3.660472] RDX: 0000000000000008 RSI: ffffffff9d54f524 RDI: ffff9303c313c520
[ 3.660559] RBP: ffff9303c313c520 R08: 0000000000000010 R09: 0000000000000018
[ 3.660647] R10: 0000000000000400 R11: 0000000000000020 R12: ffff9303c5ebf200
[ 3.660735] R13: ffffffff9dab1420 R14: ffff9303c2f26560 R15: ffff9303c313c000
[ 3.660825] FS: 00007ff1ba5b4740(0000) GS:ffff9304604d9000(0000) knlGS:0000000000000000
[ 3.660922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.661000] CR2: 00007ff1ba61f12f CR3: 0000000005c42005 CR4: 0000000000772ef0
[ 3.661113] PKRU: 55555554
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