[ 2.592901] br1: port 1(veth1) entered blocking state [ 2.592962] br1: port 1(veth1) entered disabled state [ 2.593059] veth1: entered allmulticast mode [ 2.593182] veth1: entered promiscuous mode [ 2.606562] br1: port 1(veth1) entered blocking state [ 2.606667] br1: port 1(veth1) entered forwarding state [ 2.617555] br1: port 2(veth2) entered blocking state [ 2.617654] br1: port 2(veth2) entered disabled state [ 2.617727] veth2: entered allmulticast mode [ 2.617846] veth2: entered promiscuous mode [ 2.630820] br1: port 2(veth2) entered blocking state [ 2.630919] br1: port 2(veth2) entered forwarding state [ 14.347472] br1: port 2(veth2) entered disabled state [ 14.359053] veth2: left allmulticast mode [ 14.359124] veth2: left promiscuous mode [ 14.359219] br1: port 2(veth2) entered disabled state [ 14.370851] br1: port 1(veth1) entered disabled state [ 14.382530] veth1: left allmulticast mode [ 14.382628] veth1: left promiscuous mode [ 14.382720] br1: port 1(veth1) entered disabled state [ 14.416673] ------------[ cut here ]------------ [ 14.416799] refcount_t: underflow; use-after-free. [ 14.416874] WARNING: CPU: 0 PID: 659 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 14.416968] Modules linked in: act_skbedit cls_flower sch_prio sch_ingress bridge stp llc vrf veth [ 14.417074] CPU: 0 UID: 0 PID: 659 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 14.417170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.417234] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 14.417292] Code: 99 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 99 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 [ 14.417478] RSP: 0018:ffffb52a00a17730 EFLAGS: 00010282 [ 14.417526] RAX: 0000000000000000 RBX: ffffb52a00a17740 RCX: 00000000ffffdfff [ 14.417608] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 14.417692] RBP: ffffb52a00a17248 R08: ffffffff99556a28 R09: 00000000ffffdfff [ 14.417779] R10: ffffffff99476a40 R11: ffffffff99526a40 R12: dead000000000122 [ 14.417858] R13: 00000000fffba3f0 R14: 0000000000000001 R15: ffff997c84dc2000 [ 14.417938] FS: 00007fc7fdc1f800(0000) GS:ffff997d24fd9000(0000) knlGS:0000000000000000 [ 14.418022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.418086] CR2: 00000000004e68d0 CR3: 000000000346b004 CR4: 0000000000772ef0 [ 14.418165] PKRU: 55555554 [ 14.418196] Call Trace: [ 14.418224] [ 14.418256] netdev_run_todo+0x21a/0x550 [ 14.418304] rtnl_dellink+0x15b/0x350 [ 14.418351] ? virtio_fs_enqueue_req+0x352/0x570 [ 14.418421] ? netdev_run_todo+0x63/0x550 [ 14.418468] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 14.418528] rtnetlink_rcv_msg+0x358/0x400 [ 14.418569] ? get_page_from_freelist+0x15b4/0x1770 [ 14.418625] ? rtnl_calcit.isra.0+0x110/0x110 [ 14.418692] netlink_rcv_skb+0x57/0x100 [ 14.418745] netlink_unicast+0x252/0x380 [ 14.418789] ? __alloc_skb+0xdb/0x190 [ 14.418835] netlink_sendmsg+0x1be/0x3e0 [ 14.418880] ____sys_sendmsg+0x132/0x260 [ 14.418925] ? copy_msghdr_from_user+0x6c/0xa0 [ 14.418985] ___sys_sendmsg+0x87/0xd0 [ 14.419032] ? do_wp_page+0x369/0xe90 [ 14.419078] ? ___pte_offset_map+0x1b/0xd0 [ 14.419125] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 14.419188] ? fsnotify_grab_connector+0x48/0x80 [ 14.419246] ? fsnotify_destroy_marks+0x29/0x150 [ 14.419297] __sys_sendmsg+0x71/0xd0 [ 14.419345] do_syscall_64+0xa4/0xfd0 [ 14.419391] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.419452] RIP: 0033:0x7fc7fdded1d7 [ 14.419499] 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 [ 14.419689] RSP: 002b:00007ffea7d4f7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 14.419777] RAX: ffffffffffffffda RBX: 00007ffea7d4fef0 RCX: 00007fc7fdded1d7 [ 14.419859] RDX: 0000000000000000 RSI: 00007ffea7d4f830 RDI: 0000000000000005 [ 14.419938] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 14.420016] R10: 00007fc7fdce9f60 R11: 0000000000000246 R12: 0000000000000002 [ 14.420097] R13: 00000000690dede7 R14: 0000000000499600 R15: 0000000000000000 [ 14.420178] [ 14.420203] ---[ end trace 0000000000000000 ]--- [ 14.420839] ip (659) used greatest stack depth: 11744 bytes left