[    2.748070] gre: GRE over IPv4 demultiplexer driver
[    2.749710] ip_gre: GRE over IPv4 tunneling driver
[    2.944229] 8021q: 802.1Q VLAN Support v1.8
[    3.331979] GACT probability NOT on
[   17.976520] ------------[ cut here ]------------
[   17.976678] refcount_t: underflow; use-after-free.
[   17.976773] WARNING: CPU: 2 PID: 565 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   17.976880] Modules linked in: act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth
[   17.976989] CPU: 2 UID: 0 PID: 565 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   17.977104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.977192] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   17.977270] Code: ba 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 d1 ba 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
[   17.977463] RSP: 0018:ffffb2c2c0a87730 EFLAGS: 00010282
[   17.977546] RAX: 0000000000000000 RBX: ffffb2c2c0a87740 RCX: 00000000ffffdfff
[   17.977645] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   17.977745] RBP: ffffb2c2c0a87248 R08: ffffffffbb156a28 R09: 00000000ffffdfff
[   17.977847] R10: ffffffffbb076a40 R11: ffffffffbb126a40 R12: dead000000000122
[   17.977947] R13: 00000000fffbb1d4 R14: 0000000000000001 R15: ffff949b46cce000
[   17.978049] FS:  00007f0e90a88800(0000) GS:ffff949bc34d9000(0000) knlGS:0000000000000000
[   17.978151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.978239] CR2: 00000000004e7458 CR3: 00000000030ed003 CR4: 0000000000772ef0
[   17.978339] PKRU: 55555554
[   17.978371] Call Trace:
[   17.978416]  <TASK>
[   17.978468]  netdev_run_todo+0x21a/0x550
[   17.978543]  rtnl_dellink+0x15b/0x350
[   17.978614]  ? virtio_fs_enqueue_req+0x352/0x570
[   17.978694]  ? netdev_run_todo+0x63/0x550
[   17.978762]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   17.978842]  rtnetlink_rcv_msg+0x358/0x400
[   17.978910]  ? get_page_from_freelist+0x15b4/0x1770
[   17.978991]  ? rtnl_calcit.isra.0+0x110/0x110
[   17.979071]  netlink_rcv_skb+0x57/0x100
[   17.979141]  netlink_unicast+0x252/0x380
[   17.979208]  ? __alloc_skb+0xdb/0x190
[   17.979274]  netlink_sendmsg+0x1be/0x3e0
[   17.979339]  ____sys_sendmsg+0x132/0x260
[   17.979410]  ? copy_msghdr_from_user+0x6c/0xa0
[   17.979489]  ___sys_sendmsg+0x87/0xd0
[   17.979561]  ? do_wp_page+0x369/0xe90
[   17.979629]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   17.979709]  ? fsnotify_grab_connector+0x48/0x80
[   17.979786]  ? fsnotify_destroy_marks+0x29/0x150
[   17.979865]  __sys_sendmsg+0x71/0xd0
[   17.979932]  do_syscall_64+0xa4/0xfd0
[   17.979999]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   17.980077] RIP: 0033:0x7f0e90c561d7
[   17.980141] 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
[   17.980333] RSP: 002b:00007fffbf2b2d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.980432] RAX: ffffffffffffffda RBX: 00007fffbf2b3430 RCX: 00007f0e90c561d7
[   17.980543] RDX: 0000000000000000 RSI: 00007fffbf2b2d70 RDI: 0000000000000005
[   17.980645] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   17.980745] R10: 00007f0e90b52f60 R11: 0000000000000246 R12: 0000000000000002
[   17.980846] R13: 00000000690ded85 R14: 0000000000499600 R15: 0000000000000000
[   17.980948]  </TASK>
[   17.981000] ---[ end trace 0000000000000000 ]---
[   17.981650] ip (565) used greatest stack depth: 11744 bytes left