[ 2.420360] 8021q: 802.1Q VLAN Support v1.8 [ 2.818599] br1: port 1(vx100) entered blocking state [ 2.818680] br1: port 1(vx100) entered disabled state [ 2.818749] vx100: entered allmulticast mode [ 2.818858] vx100: entered promiscuous mode [ 2.818910] br1: port 1(vx100) entered blocking state [ 2.818966] br1: port 1(vx100) entered forwarding state [ 2.840677] br1: port 2(veth1) entered blocking state [ 2.840799] br1: port 2(veth1) entered disabled state [ 2.840894] veth1: entered allmulticast mode [ 2.841020] veth1: entered promiscuous mode [ 2.851995] br1: port 2(veth1) entered blocking state [ 2.852066] br1: port 2(veth1) entered forwarding state [ 2.895296] br2: port 1(vx200) entered blocking state [ 2.895384] br2: port 1(vx200) entered disabled state [ 2.895449] vx200: entered allmulticast mode [ 2.895552] vx200: entered promiscuous mode [ 2.895614] br2: port 1(vx200) entered blocking state [ 2.895678] br2: port 1(vx200) entered forwarding state [ 2.930104] br2: port 2(veth2.20) entered blocking state [ 2.930180] br2: port 2(veth2.20) entered disabled state [ 2.930247] veth2.20: entered allmulticast mode [ 2.930306] veth2: entered allmulticast mode [ 2.930396] veth2.20: entered promiscuous mode [ 2.930454] veth2: entered promiscuous mode [ 2.941364] br2: port 2(veth2.20) entered blocking state [ 2.941512] br2: port 2(veth2.20) entered forwarding state [ 3.341307] br3: port 1(w1) entered blocking state [ 3.341435] br3: port 1(w1) entered disabled state [ 3.341525] w1: entered allmulticast mode [ 3.341638] w1: entered promiscuous mode [ 3.408084] br3: port 2(vx100) entered blocking state [ 3.408212] br3: port 2(vx100) entered disabled state [ 3.408318] vx100: entered allmulticast mode [ 3.408445] vx100: entered promiscuous mode [ 3.408540] br3: port 2(vx100) entered blocking state [ 3.408619] br3: port 2(vx100) entered forwarding state [ 3.492147] br3: port 1(w1) entered blocking state [ 3.492217] br3: port 1(w1) entered forwarding state [ 3.813742] br3: port 1(w1) entered blocking state [ 3.813809] br3: port 1(w1) entered disabled state [ 3.813869] w1: entered allmulticast mode [ 3.813934] w1: entered promiscuous mode [ 3.874348] br3: port 2(vx200) entered blocking state [ 3.874476] br3: port 2(vx200) entered disabled state [ 3.874572] vx200: entered allmulticast mode [ 3.874712] vx200: entered promiscuous mode [ 3.874804] br3: port 2(vx200) entered blocking state [ 3.874883] br3: port 2(vx200) entered forwarding state [ 3.952472] br3: port 1(w1) entered blocking state [ 3.952548] br3: port 1(w1) entered forwarding state [ 4.180950] br3: port 3(w1.20) entered blocking state [ 4.181076] br3: port 3(w1.20) entered disabled state [ 4.181174] w1.20: entered allmulticast mode [ 4.181305] w1.20: entered promiscuous mode [ 4.265537] br3: port 3(w1.20) entered blocking state [ 4.265616] br3: port 3(w1.20) entered forwarding state [ 4.511740] IPv6: w2.20: IPv6 duplicate address fe80::50b5:bdff:fea4:c748 used by 52:b5:bd:a4:c7:48 detected! [ 11.610128] w1.20: left allmulticast mode [ 11.610185] w1.20: left promiscuous mode [ 11.610246] br3: port 3(w1.20) entered disabled state [ 11.610527] vx200: left allmulticast mode [ 11.610585] vx200: left promiscuous mode [ 11.610626] br3: port 2(vx200) entered disabled state [ 11.610879] w1: left allmulticast mode [ 11.611030] w1: left promiscuous mode [ 11.611077] br3: port 1(w1) entered disabled state [ 11.634735] ------------[ cut here ]------------ [ 11.634816] refcount_t: underflow; use-after-free. [ 11.634886] WARNING: CPU: 1 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 11.634964] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 11.635060] CPU: 1 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 11.635143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.635208] Workqueue: netns cleanup_net [ 11.635252] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 11.635309] Code: a0 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 a0 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 [ 11.635474] RSP: 0018:ffffb19a8024fd50 EFLAGS: 00010286 [ 11.635527] RAX: 0000000000000000 RBX: ffffb19a8024fd60 RCX: 00000000ffffdfff [ 11.635612] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 11.635690] RBP: ffffb19a8024f868 R08: ffffffffa1156a28 R09: 00000000ffffdfff [ 11.635774] R10: ffffffffa1076a40 R11: ffffffffa1126a40 R12: dead000000000122 [ 11.635855] R13: 00000000fffb9914 R14: 0000000000000001 R15: ffff96ad477e8000 [ 11.635920] FS: 0000000000000000(0000) GS:ffff96addd459000(0000) knlGS:0000000000000000 [ 11.635995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.636056] CR2: 00007fce77807f70 CR3: 0000000017a41005 CR4: 0000000000772ef0 [ 11.636132] PKRU: 55555554 [ 11.636166] Call Trace: [ 11.636197] [ 11.636229] netdev_run_todo+0x21a/0x550 [ 11.636283] ops_undo_list+0x1e3/0x1f0 [ 11.636336] cleanup_net+0x1b7/0x2b0 [ 11.636383] process_one_work+0x162/0x380 [ 11.636437] worker_thread+0x299/0x3c0 [ 11.636487] ? rescuer_thread+0x4c0/0x4c0 [ 11.636536] kthread+0x101/0x1f0 [ 11.636588] ? kthreads_online_cpu+0x110/0x110 [ 11.636640] ? kthreads_online_cpu+0x110/0x110 [ 11.636708] ret_from_fork+0x11c/0x140 [ 11.636761] ? kthreads_online_cpu+0x110/0x110 [ 11.636818] ret_from_fork_asm+0x11/0x20 [ 11.636871] [ 11.636904] ---[ end trace 0000000000000000 ]--- [ 11.688820] vx100: left allmulticast mode [ 11.688925] vx100: left promiscuous mode [ 11.688986] br3: port 2(vx100) entered disabled state [ 11.689200] w1: left allmulticast mode [ 11.689256] w1: left promiscuous mode [ 11.689317] br3: port 1(w1) entered disabled state [ 11.954293] vx200: left allmulticast mode [ 11.954355] vx200: left promiscuous mode [ 11.954396] br2: port 1(vx200) entered disabled state [ 11.996864] br2: port 2(veth2.20) entered disabled state [ 11.997080] veth2.20 (unregistering): left allmulticast mode [ 11.997155] veth2: left allmulticast mode [ 11.997205] veth2.20 (unregistering): left promiscuous mode [ 11.997263] veth2: left promiscuous mode [ 11.997318] br2: port 2(veth2.20) entered disabled state [ 12.064842] br1: port 2(veth1) entered disabled state [ 12.077892] veth1: left allmulticast mode [ 12.077966] veth1: left promiscuous mode [ 12.078012] br1: port 2(veth1) entered disabled state [ 12.089118] vx100: left allmulticast mode [ 12.089222] vx100: left promiscuous mode [ 12.089290] br1: port 1(vx100) entered disabled state