[    7.575170] GACT probability NOT on
[    7.576842] tc (297) used greatest stack depth: 11840 bytes left
[   16.935430] 8021q: 802.1Q VLAN Support v1.8
[   17.167718] ------------[ cut here ]------------
[   17.167847] refcount_t: underflow; use-after-free.
[   17.167926] WARNING: CPU: 3 PID: 2126 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   17.168032] Modules linked in: 8021q act_gact cls_flower sch_ingress vrf veth
[   17.168131] CPU: 3 UID: 0 PID: 2126 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   17.168226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.168290] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   17.168348] Code: a5 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 11 a5 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
[   17.168533] RSP: 0018:ffffb44a402fb730 EFLAGS: 00010282
[   17.168588] RAX: 0000000000000000 RBX: ffffb44a402fb740 RCX: 00000000ffffdfff
[   17.168663] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   17.168735] RBP: ffffb44a402fb248 R08: ffffffffa5556a28 R09: 00000000ffffdfff
[   17.168804] R10: ffffffffa5476a40 R11: ffffffffa5526a40 R12: dead000000000122
[   17.168876] R13: 00000000fffbaeb0 R14: 0000000000000001 R15: ffff959ac2ce6000
[   17.168952] FS:  00007fc5f219b800(0000) GS:ffff959b59159000(0000) knlGS:0000000000000000
[   17.169035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.169102] CR2: 0000557d9761d1a8 CR3: 0000000009256002 CR4: 0000000000772ef0
[   17.169180] PKRU: 55555554
[   17.169211] Call Trace:
[   17.169240]  <TASK>
[   17.169269]  netdev_run_todo+0x21a/0x550
[   17.169319]  rtnl_dellink+0x15b/0x350
[   17.169387]  ? virtio_fs_enqueue_req+0x352/0x570
[   17.169448]  ? netdev_run_todo+0x63/0x550
[   17.169491]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   17.169549]  rtnetlink_rcv_msg+0x358/0x400
[   17.169596]  ? get_page_from_freelist+0x15b4/0x1770
[   17.169654]  ? rtnl_calcit.isra.0+0x110/0x110
[   17.169712]  netlink_rcv_skb+0x57/0x100
[   17.169758]  netlink_unicast+0x252/0x380
[   17.169821]  ? __alloc_skb+0xdb/0x190
[   17.169865]  netlink_sendmsg+0x1be/0x3e0
[   17.169911]  ____sys_sendmsg+0x132/0x260
[   17.169960]  ? copy_msghdr_from_user+0x6c/0xa0
[   17.170021]  ___sys_sendmsg+0x87/0xd0
[   17.170069]  ? do_wp_page+0x369/0xe90
[   17.170120]  ? ___pte_offset_map+0x1b/0xd0
[   17.170169]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   17.170225]  ? fsnotify_grab_connector+0x48/0x80
[   17.170277]  ? fsnotify_destroy_marks+0x29/0x150
[   17.170336]  __sys_sendmsg+0x71/0xd0
[   17.170383]  do_syscall_64+0xa4/0xfd0
[   17.170427]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   17.170494] RIP: 0033:0x7fc5f23691d7
[   17.170539] 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
[   17.170723] RSP: 002b:00007fff13671a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.170806] RAX: ffffffffffffffda RBX: 00007fff13672170 RCX: 00007fc5f23691d7
[   17.170883] RDX: 0000000000000000 RSI: 00007fff13671ab0 RDI: 0000000000000005
[   17.170960] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   17.171038] R10: 00007fc5f2265f60 R11: 0000000000000246 R12: 0000000000000002
[   17.171116] R13: 00000000690de6e4 R14: 0000000000499600 R15: 0000000000000000
[   17.171196]  </TASK>
[   17.171220] ---[ end trace 0000000000000000 ]---
[   17.171995] ip (2126) used greatest stack depth: 11744 bytes left
[   33.237742] gre: GRE over IPv4 demultiplexer driver
[   33.239816] ip_gre: GRE over IPv4 tunneling driver