[    2.178960] ip (249) used greatest stack depth: 12344 bytes left
[    2.452168] 8021q: 802.1Q VLAN Support v1.8
[    2.711972] br0: port 1(veth1) entered blocking state
[    2.712043] br0: port 1(veth1) entered disabled state
[    2.712105] veth1: entered allmulticast mode
[    2.712189] veth1: entered promiscuous mode
[    2.723238] br0: port 2(veth2) entered blocking state
[    2.723338] br0: port 2(veth2) entered disabled state
[    2.723428] veth2: entered allmulticast mode
[    2.723537] veth2: entered promiscuous mode
[    2.749645] br0: port 1(veth1) entered blocking state
[    2.749775] br0: port 1(veth1) entered forwarding state
[    2.762342] br0: port 2(veth2) entered blocking state
[    2.762464] br0: port 2(veth2) entered forwarding state
[   14.229487] tc (340) used greatest stack depth: 11840 bytes left
[   28.457987] br0: port 2(veth2) entered disabled state
[   28.468667] br0: port 1(veth1) entered disabled state
[   28.479121] veth2: left allmulticast mode
[   28.479226] veth2: left promiscuous mode
[   28.479288] br0: port 2(veth2) entered disabled state
[   28.479430] veth1: left allmulticast mode
[   28.479507] veth1: left promiscuous mode
[   28.479563] br0: port 1(veth1) entered disabled state
[   28.498841] ------------[ cut here ]------------
[   28.499007] refcount_t: underflow; use-after-free.
[   28.499112] WARNING: CPU: 2 PID: 400 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   28.499216] Modules linked in: act_vlan cls_flower sch_ingress bridge stp llc 8021q vrf veth
[   28.499328] CPU: 2 UID: 0 PID: 400 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   28.499430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.499532] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   28.499603] Code: 93 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 f1 93 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
[   28.499775] RSP: 0018:ffffaaed80413730 EFLAGS: 00010282
[   28.499849] RAX: 0000000000000000 RBX: ffffaaed80413740 RCX: 00000000ffffdfff
[   28.499939] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   28.500033] RBP: ffffaaed80413248 R08: ffffffff94356a28 R09: 00000000ffffdfff
[   28.500164] R10: ffffffff94276a40 R11: ffffffff94326a40 R12: dead000000000122
[   28.500237] R13: 00000000fffbdaf1 R14: 0000000000000001 R15: ffff9a7cc5288000
[   28.500317] FS:  00007f276da3f800(0000) GS:ffff9a7d6a2d9000(0000) knlGS:0000000000000000
[   28.500441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.500524] CR2: 00000000004e68c8 CR3: 0000000003253005 CR4: 0000000000772ef0
[   28.500617] PKRU: 55555554
[   28.500663] Call Trace:
[   28.500711]  <TASK>
[   28.500759]  netdev_run_todo+0x21a/0x550
[   28.500836]  rtnl_dellink+0x15b/0x350
[   28.500899]  ? virtio_fs_enqueue_req+0x352/0x570
[   28.500975]  ? netdev_run_todo+0x63/0x550
[   28.501049]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   28.501124]  rtnetlink_rcv_msg+0x358/0x400
[   28.501184]  ? get_page_from_freelist+0x15b4/0x1770
[   28.501259]  ? rtnl_calcit.isra.0+0x110/0x110
[   28.501329]  netlink_rcv_skb+0x57/0x100
[   28.501395]  netlink_unicast+0x252/0x380
[   28.501459]  ? __alloc_skb+0xdb/0x190
[   28.501523]  netlink_sendmsg+0x1be/0x3e0
[   28.501581]  ____sys_sendmsg+0x132/0x260
[   28.501643]  ? copy_msghdr_from_user+0x6c/0xa0
[   28.501715]  ___sys_sendmsg+0x87/0xd0
[   28.501780]  ? do_wp_page+0x369/0xe90
[   28.501851]  ? ___pte_offset_map+0x1b/0xd0
[   28.501913]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   28.501991]  ? fsnotify_grab_connector+0x48/0x80
[   28.502068]  ? fsnotify_destroy_marks+0x29/0x150
[   28.502141]  __sys_sendmsg+0x71/0xd0
[   28.502205]  do_syscall_64+0xa4/0xfd0
[   28.502269]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   28.502341] RIP: 0033:0x7f276dc0d1d7
[   28.502406] 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
[   28.502588] RSP: 002b:00007ffc2c039788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.502680] RAX: ffffffffffffffda RBX: 00007ffc2c039eb0 RCX: 00007f276dc0d1d7
[   28.502769] RDX: 0000000000000000 RSI: 00007ffc2c0397f0 RDI: 0000000000000005
[   28.502865] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   28.502958] R10: 00007f276db09f60 R11: 0000000000000246 R12: 0000000000000002
[   28.503051] R13: 00000000690de6f5 R14: 0000000000499600 R15: 0000000000000000
[   28.503145]  </TASK>
[   28.503193] ---[ end trace 0000000000000000 ]---
[   28.503796] ip (400) used greatest stack depth: 11744 bytes left