[    2.153819] ip (249) used greatest stack depth: 12408 bytes left
[    2.448082] 8021q: 802.1Q VLAN Support v1.8
[    2.728246] br0: port 1(veth1) entered blocking state
[    2.728384] br0: port 1(veth1) entered disabled state
[    2.728483] veth1: entered allmulticast mode
[    2.728615] veth1: entered promiscuous mode
[    2.740669] br0: port 2(veth2) entered blocking state
[    2.740740] br0: port 2(veth2) entered disabled state
[    2.740798] veth2: entered allmulticast mode
[    2.740909] veth2: entered promiscuous mode
[    2.763573] br0: port 1(veth1) entered blocking state
[    2.763677] br0: port 1(veth1) entered forwarding state
[    2.776328] br0: port 2(veth2) entered blocking state
[    2.776398] br0: port 2(veth2) entered forwarding state
[   14.234132] tc (340) used greatest stack depth: 11840 bytes left
[   28.504940] br0: port 2(veth2) entered disabled state
[   28.517401] br0: port 1(veth1) entered disabled state
[   28.529990] veth2: left allmulticast mode
[   28.530072] veth2: left promiscuous mode
[   28.530125] br0: port 2(veth2) entered disabled state
[   28.530255] veth1: left allmulticast mode
[   28.530300] veth1: left promiscuous mode
[   28.530336] br0: port 1(veth1) entered disabled state
[   28.550888] ------------[ cut here ]------------
[   28.551011] refcount_t: underflow; use-after-free.
[   28.551082] WARNING: CPU: 0 PID: 399 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   28.551169] Modules linked in: act_vlan cls_flower sch_ingress bridge stp llc 8021q vrf veth
[   28.551255] CPU: 0 UID: 0 PID: 399 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   28.551346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.551401] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   28.551456] 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 91 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
[   28.551603] RSP: 0018:ffffaf04003ab730 EFLAGS: 00010282
[   28.551646] RAX: 0000000000000000 RBX: ffffaf04003ab740 RCX: 00000000ffffdfff
[   28.551712] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   28.551778] RBP: ffffaf04003ab248 R08: ffffffffa5d56a28 R09: 00000000ffffdfff
[   28.551852] R10: ffffffffa5c76a40 R11: ffffffffa5d26a40 R12: dead000000000122
[   28.551917] R13: 00000000fffbdb25 R14: 0000000000000001 R15: ffff9dc5431b7000
[   28.551976] FS:  00007f1c837ff800(0000) GS:ffff9dc5d87d9000(0000) knlGS:0000000000000000
[   28.552048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.552111] CR2: 00000000004e68c8 CR3: 00000000033b1001 CR4: 0000000000772ef0
[   28.552174] PKRU: 55555554
[   28.552198] Call Trace:
[   28.552219]  <TASK>
[   28.552245]  netdev_run_todo+0x21a/0x550
[   28.552306]  rtnl_dellink+0x15b/0x350
[   28.552354]  ? virtio_fs_enqueue_req+0x352/0x570
[   28.552406]  ? netdev_run_todo+0x63/0x550
[   28.552446]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   28.552494]  rtnetlink_rcv_msg+0x358/0x400
[   28.552526]  ? get_page_from_freelist+0x15b4/0x1770
[   28.552575]  ? rtnl_calcit.isra.0+0x110/0x110
[   28.552620]  netlink_rcv_skb+0x57/0x100
[   28.552662]  netlink_unicast+0x252/0x380
[   28.552694]  ? __alloc_skb+0xdb/0x190
[   28.552737]  netlink_sendmsg+0x1be/0x3e0
[   28.552771]  ____sys_sendmsg+0x132/0x260
[   28.552819]  ? copy_msghdr_from_user+0x6c/0xa0
[   28.552871]  ___sys_sendmsg+0x87/0xd0
[   28.552910]  ? do_wp_page+0x369/0xe90
[   28.552950]  ? ___pte_offset_map+0x1b/0xd0
[   28.552992]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   28.553050]  ? fsnotify_grab_connector+0x48/0x80
[   28.553110]  ? fsnotify_destroy_marks+0x29/0x150
[   28.553162]  __sys_sendmsg+0x71/0xd0
[   28.553199]  do_syscall_64+0xa4/0xfd0
[   28.553255]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   28.553315] RIP: 0033:0x7f1c839cd1d7
[   28.553359] 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
[   28.553515] RSP: 002b:00007ffd46b1c518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.553579] RAX: ffffffffffffffda RBX: 00007ffd46b1cc40 RCX: 00007f1c839cd1d7
[   28.553642] RDX: 0000000000000000 RSI: 00007ffd46b1c580 RDI: 0000000000000005
[   28.553698] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   28.553763] R10: 00007f1c838c9f60 R11: 0000000000000246 R12: 0000000000000002
[   28.553840] R13: 00000000690dece1 R14: 0000000000499600 R15: 0000000000000000
[   28.553905]  </TASK>
[   28.553928] ---[ end trace 0000000000000000 ]---
[   28.554621] ip (399) used greatest stack depth: 11744 bytes left