[    2.070821] ip (247) used greatest stack depth: 12328 bytes left
[    2.708565] 8021q: 802.1Q VLAN Support v1.8
[    2.763253] gre: GRE over IPv4 demultiplexer driver
[    2.765607] ip_gre: GRE over IPv4 tunneling driver
[   11.336553] ------------[ cut here ]------------
[   11.336684] refcount_t: underflow; use-after-free.
[   11.336760] WARNING: CPU: 3 PID: 431 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   11.336842] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   11.336913] CPU: 3 UID: 0 PID: 431 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   11.336999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.337058] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   11.337115] Code: b0 e8 18 df ba ff 90 0f 0b 90 90 c3 80 3d f9 da eb 00 00 75 89 c6 05 f0 da eb 00 01 90 48 c7 c7 28 e0 71 b0 e8 f5 de ba ff 90 <0f> 0b 90 90 c3 80 3d d4 da eb 00 00 0f 85 62 ff ff ff c6 05 c7 da
[   11.337272] RSP: 0018:ffffb2dc009b7730 EFLAGS: 00010282
[   11.337319] RAX: 0000000000000000 RBX: ffffb2dc009b7740 RCX: 00000000ffffdfff
[   11.337378] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   11.337451] RBP: ffff955986d7a000 R08: ffffffffb0b56a28 R09: 00000000ffffdfff
[   11.337539] R10: ffffffffb0a76a40 R11: ffffffffb0b26a40 R12: 0000000000000001
[   11.337606] R13: 00000000fffb97e1 R14: 0000000000000001 R15: ffff955986d7a000
[   11.337668] FS:  00007f931e7ae800(0000) GS:ffff955a0db59000(0000) knlGS:0000000000000000
[   11.337741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.337800] CR2: 00000000004e7438 CR3: 0000000006175004 CR4: 0000000000772ef0
[   11.337869] PKRU: 55555554
[   11.337897] Call Trace:
[   11.337927]  <TASK>
[   11.337957]  netdev_run_todo+0x21a/0x550
[   11.338006]  rtnl_dellink+0x15b/0x350
[   11.338059]  ? virtio_fs_enqueue_req+0x352/0x570
[   11.338117]  ? netdev_run_todo+0x63/0x550
[   11.338155]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   11.338204]  rtnetlink_rcv_msg+0x358/0x400
[   11.338244]  ? get_page_from_freelist+0x15b4/0x1770
[   11.338298]  ? rtnl_calcit.isra.0+0x110/0x110
[   11.338343]  netlink_rcv_skb+0x57/0x100
[   11.338388]  netlink_unicast+0x252/0x380
[   11.338427]  ? __alloc_skb+0xdb/0x190
[   11.338464]  netlink_sendmsg+0x1be/0x3e0
[   11.338500]  ____sys_sendmsg+0x132/0x260
[   11.338553]  ? copy_msghdr_from_user+0x6c/0xa0
[   11.338604]  ___sys_sendmsg+0x87/0xd0
[   11.338642]  ? do_wp_page+0x369/0xe90
[   11.338686]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   11.338741]  ? fsnotify_grab_connector+0x48/0x80
[   11.338794]  ? fsnotify_destroy_marks+0x29/0x150
[   11.338840]  __sys_sendmsg+0x71/0xd0
[   11.338880]  do_syscall_64+0xa4/0xfd0
[   11.338925]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   11.338976] RIP: 0033:0x7f931e97c1d7
[   11.339036] 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
[   11.339205] RSP: 002b:00007ffd927b0d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.339273] RAX: ffffffffffffffda RBX: 00007ffd927b14a0 RCX: 00007f931e97c1d7
[   11.339345] RDX: 0000000000000000 RSI: 00007ffd927b0de0 RDI: 0000000000000005
[   11.339403] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   11.339469] R10: 00007f931e878f60 R11: 0000000000000246 R12: 0000000000000002
[   11.339545] R13: 00000000690dee9e R14: 0000000000499600 R15: 0000000000000000
[   11.339617]  </TASK>
[   11.339643] ---[ end trace 0000000000000000 ]---
[   11.340363] ip (431) used greatest stack depth: 11744 bytes left