[    2.579607] ------------[ cut here ]------------
[    2.579771] refcount_t: underflow; use-after-free.
[    2.579842] WARNING: CPU: 2 PID: 254 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    2.579933] Modules linked in:
[    2.579987] CPU: 2 UID: 0 PID: 254 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    2.580068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.580146] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    2.580204] Code: af 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 d5 af 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
[    2.580357] RSP: 0018:ffffa71080617730 EFLAGS: 00010282
[    2.580412] RAX: 0000000000000000 RBX: ffffa71080617740 RCX: 00000000ffffdfff
[    2.580513] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    2.580589] RBP: ffffa71080617238 R08: ffffffffb055ba28 R09: 00000000ffffdfff
[    2.580658] R10: ffffffffb047ba40 R11: ffffffffb052ba40 R12: dead000000000122
[    2.580731] R13: 00000000fffb75b1 R14: 0000000000000001 R15: ffff8dde8810d000
[    2.580803] FS:  00007f77a64dc800(0000) GS:ffff8ddf0e091000(0000) knlGS:0000000000000000
[    2.580874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.580957] CR2: 00000000004e6e90 CR3: 0000000006f38004 CR4: 0000000000772ef0
[    2.581028] PKRU: 55555554
[    2.581067] Call Trace:
[    2.581113]  <TASK>
[    2.581158]  netdev_run_todo+0x21a/0x550
[    2.581211]  rtnl_dellink+0x15b/0x350
[    2.581299]  ? virtio_fs_enqueue_req+0x352/0x570
[    2.581360]  ? netdev_run_todo+0x63/0x550
[    2.581408]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[    2.581485]  rtnetlink_rcv_msg+0x358/0x400
[    2.581534]  ? get_page_from_freelist+0x15b4/0x1770
[    2.581607]  ? rtnl_calcit.isra.0+0x110/0x110
[    2.581665]  netlink_rcv_skb+0x57/0x100
[    2.581716]  netlink_unicast+0x252/0x380
[    2.581767]  ? __alloc_skb+0xdb/0x190
[    2.581816]  netlink_sendmsg+0x1be/0x3e0
[    2.581865]  ____sys_sendmsg+0x132/0x260
[    2.581925]  ? copy_msghdr_from_user+0x6c/0xa0
[    2.582000]  ___sys_sendmsg+0x87/0xd0
[    2.582058]  ? do_wp_page+0x369/0xe90
[    2.582106]  ? ___pte_offset_map+0x1b/0xd0
[    2.582160]  ? nfulnl_rcv_nl_event+0x36/0xa0
[    2.582219]  ? fsnotify_grab_connector+0x48/0x80
[    2.582280]  ? fsnotify_destroy_marks+0x29/0x150
[    2.582343]  __sys_sendmsg+0x71/0xd0
[    2.582392]  do_syscall_64+0xa4/0xfd0
[    2.582445]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.582502] RIP: 0033:0x7f77a66aa1d7
[    2.582565] 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
[    2.582703] RSP: 002b:00007ffd0dde2e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[    2.582785] RAX: ffffffffffffffda RBX: 00007ffd0dde35c0 RCX: 00007f77a66aa1d7
[    2.582855] RDX: 0000000000000000 RSI: 00007ffd0dde2ef0 RDI: 0000000000000003
[    2.582935] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[    2.583011] R10: 00007f77a65a6510 R11: 0000000000000246 R12: 0000000000000001
[    2.583113] R13: 00000000690de9e7 R14: 0000000000499600 R15: 0000000000000000
[    2.583188]  </TASK>
[    2.583230] ---[ end trace 0000000000000000 ]---
[    2.583925] ip (254) used greatest stack depth: 11744 bytes left
[    3.826956] MACsec IEEE 802.1AE
[    4.046814] gre: GRE over IPv4 demultiplexer driver
[    4.049073] ip_gre: GRE over IPv4 tunneling driver
[    4.230363] ip6_gre: GRE over IPv6 tunneling driver
[    4.457166] IPsec XFRM device driver
[    6.414876] CAN device driver interface
[    6.416255] vxcan: Virtual CAN Tunnel driver