[ 12.562674] u32 classifier
[ 12.562726] input device check on
[ 12.562765] Actions configured
[ 12.722770] gre: GRE over IPv4 demultiplexer driver
[ 12.724471] ip_gre: GRE over IPv4 tunneling driver
[ 12.874073] ------------[ cut here ]------------
[ 12.874213] refcount_t: underflow; use-after-free.
[ 12.874294] WARNING: CPU: 2 PID: 1221 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[ 12.874384] Modules linked in: ip_gre gre cls_u32 sch_htb
[ 12.874452] CPU: 2 UID: 0 PID: 1221 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary)
[ 12.874537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.874608] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[ 12.874681] Code: ad e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 55 ad e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5
[ 12.874820] RSP: 0018:ffffa23200767730 EFLAGS: 00010282
[ 12.874881] RAX: 0000000000000000 RBX: ffffa23200767740 RCX: 00000000ffffdfff
[ 12.874957] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[ 12.875043] RBP: ffffa23200767238 R08: ffffffffadd5ba28 R09: 00000000ffffdfff
[ 12.875119] R10: ffffffffadc7ba40 R11: ffffffffadd2ba40 R12: dead000000000122
[ 12.875201] R13: 00000000fffb9de8 R14: 0000000000000001 R15: ffff90f0c30a7000
[ 12.875280] FS: 00007f37803e0800(0000) GS:ffff90f150891000(0000) knlGS:0000000000000000
[ 12.875371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.875440] CR2: 00000000004e64e8 CR3: 000000000916b003 CR4: 0000000000772ef0
[ 12.875598] PKRU: 55555554
[ 12.875654] Call Trace:
[ 12.875710]
[ 12.875764] netdev_run_todo+0x21a/0x550
[ 12.875836] rtnl_dellink+0x15b/0x350
[ 12.875912] ? virtio_fs_enqueue_req+0x352/0x570
[ 12.875995] ? netdev_run_todo+0x63/0x550
[ 12.876068] ? rtnl_bridge_getlink+0x1a0/0x1a0
[ 12.876147] rtnetlink_rcv_msg+0x358/0x400
[ 12.876216] ? get_page_from_freelist+0x15b4/0x1770
[ 12.876296] ? rtnl_calcit.isra.0+0x110/0x110
[ 12.876378] netlink_rcv_skb+0x57/0x100
[ 12.876449] netlink_unicast+0x252/0x380
[ 12.876517] ? __alloc_skb+0xdb/0x190
[ 12.876586] netlink_sendmsg+0x1be/0x3e0
[ 12.876654] ____sys_sendmsg+0x132/0x260
[ 12.876726] ? copy_msghdr_from_user+0x6c/0xa0
[ 12.876807] ___sys_sendmsg+0x87/0xd0
[ 12.876874] ? do_wp_page+0x369/0xe90
[ 12.876942] ? ___pte_offset_map+0x1b/0xd0
[ 12.877011] ? nfulnl_rcv_nl_event+0x36/0xa0
[ 12.877103] ? fsnotify_grab_connector+0x48/0x80
[ 12.877184] ? fsnotify_destroy_marks+0x29/0x150
[ 12.877278] __sys_sendmsg+0x71/0xd0
[ 12.877340] do_syscall_64+0xa4/0xfd0
[ 12.877411] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 12.877488] RIP: 0033:0x7f37805ae1d7
[ 12.877551] 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
[ 12.877779] RSP: 002b:00007fff6cb356e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 12.877883] RAX: ffffffffffffffda RBX: 00007fff6cb35e10 RCX: 00007f37805ae1d7
[ 12.877984] RDX: 0000000000000000 RSI: 00007fff6cb35750 RDI: 0000000000000005
[ 12.878089] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 12.878195] R10: 00007f37804aaf60 R11: 0000000000000246 R12: 0000000000000001
[ 12.878300] R13: 00000000690de770 R14: 0000000000499600 R15: 0000000000000000
[ 12.878401]
[ 12.878454] ---[ end trace 0000000000000000 ]---
[ 12.879180] ip (1221) used greatest stack depth: 11744 bytes left
[ 13.218226] ip6_gre: GRE over IPv6 tunneling driver
[ 13.251062] ip6_tunnel: ip6gretap00 xmit: Local address not yet configured!
[ 13.810061] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured!
[ 13.875068] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured!
[ 13.974518] test-br0: port 1(test-dummy0) entered blocking state
[ 13.974625] test-br0: port 1(test-dummy0) entered disabled state
[ 13.974703] test-dummy0: entered allmulticast mode
[ 13.974800] test-dummy0: entered promiscuous mode
[ 13.986918] test-br0: port 1(test-dummy0) entered blocking state
[ 13.987006] test-br0: port 1(test-dummy0) entered forwarding state
[ 14.228184] test-dummy0: left allmulticast mode
[ 14.228261] test-dummy0: left promiscuous mode
[ 14.228322] test-br0: port 1(test-dummy0) entered disabled state
[ 26.635286] MACsec IEEE 802.1AE
[ 26.790643] test-dummy0: entered promiscuous mode
[ 26.857988] test-dummy0: left promiscuous mode
[ 26.906084] Initializing XFRM netlink socket
[ 27.464944] netdevsim netdevsim0 eni0np1: renamed from eth0
[ 28.737085] ------------[ cut here ]------------
[ 28.737208] kernel BUG at net/core/net-sysfs.c:2246!
[ 28.737263] Oops: invalid opcode: 0000 [#1] SMP
[ 28.737325] CPU: 3 UID: 0 PID: 251 Comm: rtnetlink.sh Tainted: G W 6.18.0-rc4-virtme #1 PREEMPT(voluntary)
[ 28.737454] Tainted: [W]=WARN
[ 28.737495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.737564] RIP: 0010:netdev_release+0x2d/0x30
[ 28.737628] Code: fa 0f 1f 44 00 00 80 7f d8 04 75 1d 55 48 8d af a8 fa ff ff 48 8b bf e0 fb ff ff e8 ed d7 a4 ff 48 89 ef 5d e9 a4 de a4 ff 90 <0f> 0b 90 f3 0f 1e fa 0f 1f 44 00 00 55 48 89 f5 48 8d 97 c8 fb ff
[ 28.737823] RSP: 0018:ffffa232005f7bf0 EFLAGS: 00010297
[ 28.737890] RAX: ffffffffacf51ca0 RBX: 00000000ffffffff RCX: 0000000000000003
[ 28.737972] RDX: 0000000000000007 RSI: ffffffffacd58ea4 RDI: ffff90f0c2dba558
[ 28.738052] RBP: ffff90f0c2dba558 R08: 0000000000000010 R09: 0000000000000298
[ 28.738130] R10: 0000000000000400 R11: 00000000000002a0 R12: ffff90f0c96cc300
[ 28.738212] R13: ffffffffad2b2ea0 R14: ffff90f0c1b80190 R15: ffff90f0c2dba000
[ 28.738293] FS: 00007f1d9c1dc000(0000) GS:ffff90f150911000(0000) knlGS:0000000000000000
[ 28.738379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.738450] CR2: 000055739a83b3b0 CR3: 0000000005c24006 CR4: 0000000000772ef0
[ 28.738530] PKRU: 55555554
[ 28.738562] Call Trace:
[ 28.738590]
[ 28.738622] device_release+0x35/0x90
[ 28.738670] kobject_put+0x64/0xc0
[ 28.738716] netdev_run_todo+0x21a/0x550
[ 28.738766] nsim_destroy+0x95/0x180 [netdevsim]
[ 28.738832] __nsim_dev_port_del+0x47/0x70 [netdevsim]
[ 28.738890] nsim_dev_reload_destroy+0x5b/0x120 [netdevsim]
[ 28.738949] nsim_drv_remove+0x2f/0xb0 [netdevsim]
[ 28.739007] device_release_driver_internal+0x193/0x200
[ 28.739066] bus_remove_device+0xc1/0x100
[ 28.739112] device_del+0x15f/0x480
[ 28.739159] device_unregister+0x12/0x30
[ 28.739205] del_device_store+0x117/0x1a0 [netdevsim]
[ 28.739266] kernfs_fop_write_iter+0x12b/0x1c0
[ 28.739326] vfs_write+0x33a/0x470
[ 28.739373] ksys_write+0x65/0xe0
[ 28.739420] do_syscall_64+0xa4/0xfd0
[ 28.739468] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 28.739527] RIP: 0033:0x7f1d9c2dc257
[ 28.739574] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 28.739759] RSP: 002b:00007ffce82d1a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 28.739843] RAX: ffffffffffffffda RBX: 00007f1d9c3d8780 RCX: 00007f1d9c2dc257
[ 28.739948] RDX: 0000000000000002 RSI: 000055739a83b3b0 RDI: 0000000000000001
[ 28.740025] RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f1d9c38ed20
[ 28.740102] R10: 00007f1d9c38ec20 R11: 0000000000000246 R12: 0000000000000002
[ 28.740181] R13: 000055739a83b3b0 R14: 0000000000000002 R15: 00007f1d9c3d39c0
[ 28.740264]
[ 28.740296] Modules linked in: netdevsim psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb
[ 28.740412] ---[ end trace 0000000000000000 ]---
[ 28.740469] RIP: 0010:netdev_release+0x2d/0x30
[ 28.740528] Code: fa 0f 1f 44 00 00 80 7f d8 04 75 1d 55 48 8d af a8 fa ff ff 48 8b bf e0 fb ff ff e8 ed d7 a4 ff 48 89 ef 5d e9 a4 de a4 ff 90 <0f> 0b 90 f3 0f 1e fa 0f 1f 44 00 00 55 48 89 f5 48 8d 97 c8 fb ff
[ 28.740711] RSP: 0018:ffffa232005f7bf0 EFLAGS: 00010297
[ 28.740764] RAX: ffffffffacf51ca0 RBX: 00000000ffffffff RCX: 0000000000000003
[ 28.740844] RDX: 0000000000000007 RSI: ffffffffacd58ea4 RDI: ffff90f0c2dba558
[ 28.740923] RBP: ffff90f0c2dba558 R08: 0000000000000010 R09: 0000000000000298
[ 28.741008] R10: 0000000000000400 R11: 00000000000002a0 R12: ffff90f0c96cc300
[ 28.741088] R13: ffffffffad2b2ea0 R14: ffff90f0c1b80190 R15: ffff90f0c2dba000
[ 28.741172] FS: 00007f1d9c1dc000(0000) GS:ffff90f150911000(0000) knlGS:0000000000000000
[ 28.741259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.741330] CR2: 000055739a83b3b0 CR3: 0000000005c24006 CR4: 0000000000772ef0
[ 28.741409] PKRU: 55555554