[ 2.241126] ip (248) used greatest stack depth: 12424 bytes left [ 2.344513] ip (261) used greatest stack depth: 12344 bytes left [ 2.928963] br1: port 1(vx10) entered blocking state [ 2.929089] br1: port 1(vx10) entered disabled state [ 2.929177] vx10: entered allmulticast mode [ 2.929341] vx10: entered promiscuous mode [ 2.929400] br1: port 1(vx10) entered blocking state [ 2.929494] br1: port 1(vx10) entered forwarding state [ 2.975849] br1: port 2(vx20) entered blocking state [ 2.975916] br1: port 2(vx20) entered disabled state [ 2.976047] vx20: entered allmulticast mode [ 2.976150] vx20: entered promiscuous mode [ 2.976253] br1: port 2(vx20) entered blocking state [ 2.976373] br1: port 2(vx20) entered forwarding state [ 2.999133] br1: port 3(veth1) entered blocking state [ 2.999223] br1: port 3(veth1) entered disabled state [ 2.999302] veth1: entered allmulticast mode [ 2.999466] veth1: entered promiscuous mode [ 3.011472] br1: port 3(veth1) entered blocking state [ 3.011564] br1: port 3(veth1) entered forwarding state [ 3.034154] br1: port 4(veth2) entered blocking state [ 3.034231] br1: port 4(veth2) entered disabled state [ 3.034342] veth2: entered allmulticast mode [ 3.034507] veth2: entered promiscuous mode [ 3.047202] br1: port 4(veth2) entered blocking state [ 3.047283] br1: port 4(veth2) entered forwarding state [ 3.150290] 8021q: 802.1Q VLAN Support v1.8 [ 3.188160] br1: entered promiscuous mode [ 3.188400] br1: left promiscuous mode [ 3.203474] br1: entered promiscuous mode [ 3.363490] ip (361) used greatest stack depth: 12168 bytes left [ 3.980180] br1: port 1(vx10) entered blocking state [ 3.980293] br1: port 1(vx10) entered disabled state [ 3.980396] vx10: entered allmulticast mode [ 3.980521] vx10: entered promiscuous mode [ 3.980606] br1: port 1(vx10) entered blocking state [ 3.980682] br1: port 1(vx10) entered forwarding state [ 4.027003] br1: port 2(vx20) entered blocking state [ 4.027084] br1: port 2(vx20) entered disabled state [ 4.027206] vx20: entered allmulticast mode [ 4.027350] vx20: entered promiscuous mode [ 4.027436] br1: port 2(vx20) entered blocking state [ 4.027498] br1: port 2(vx20) entered forwarding state [ 4.051232] br1: port 3(w1) entered blocking state [ 4.051351] br1: port 3(w1) entered disabled state [ 4.051459] w1: entered allmulticast mode [ 4.051584] w1: entered promiscuous mode [ 4.064112] br1: port 3(w1) entered blocking state [ 4.064220] br1: port 3(w1) entered forwarding state [ 4.087950] br1: port 4(w3) entered blocking state [ 4.088033] br1: port 4(w3) entered disabled state [ 4.088093] w3: entered allmulticast mode [ 4.088188] w3: entered promiscuous mode [ 4.100465] br1: port 4(w3) entered blocking state [ 4.100574] br1: port 4(w3) entered forwarding state [ 4.214269] br1: entered promiscuous mode [ 4.214441] br1: left promiscuous mode [ 4.222448] br1: entered promiscuous mode [ 4.839463] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.839640] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 5.222508] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 5.286513] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 5.286812] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 5.286960] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 6.247531] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 9.062543] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 16.998485] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 20.263772] GACT probability NOT on [ 21.057739] w3: left allmulticast mode [ 21.057877] w3: left promiscuous mode [ 21.057964] br1: port 4(w3) entered disabled state [ 21.058247] w1: left allmulticast mode [ 21.058337] w1: left promiscuous mode [ 21.058418] br1: port 3(w1) entered disabled state [ 21.058568] vx20: left allmulticast mode [ 21.058625] vx20: left promiscuous mode [ 21.058693] br1: port 2(vx20) entered disabled state [ 21.058912] vx10: left allmulticast mode [ 21.058978] vx10: left promiscuous mode [ 21.059049] br1: port 1(vx10) entered disabled state [ 21.083494] ------------[ cut here ]------------ [ 21.083615] refcount_t: underflow; use-after-free. [ 21.083695] WARNING: CPU: 2 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 21.083804] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 21.083956] CPU: 2 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 21.084054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.084146] Workqueue: netns cleanup_net [ 21.084204] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 21.084271] Code: 90 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 90 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 [ 21.084443] RSP: 0018:ffff96108024fd50 EFLAGS: 00010286 [ 21.084540] RAX: 0000000000000000 RBX: ffff96108024fd60 RCX: 00000000ffffdfff [ 21.084632] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 21.084710] RBP: ffff96108024f868 R08: ffffffff91356a28 R09: 00000000ffffdfff [ 21.084786] R10: ffffffff91276a40 R11: ffffffff91326a40 R12: dead000000000122 [ 21.084862] R13: 00000000fffbbdf5 R14: 0000000000000001 R15: ffff89acc93b4000 [ 21.084945] FS: 0000000000000000(0000) GS:ffff89ad6d2d9000(0000) knlGS:0000000000000000 [ 21.085026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.085137] CR2: 00007f69a47a2000 CR3: 0000000018c41001 CR4: 0000000000772ef0 [ 21.085225] PKRU: 55555554 [ 21.085274] Call Trace: [ 21.085319] [ 21.085367] netdev_run_todo+0x21a/0x550 [ 21.085429] ops_undo_list+0x1e3/0x1f0 [ 21.085500] cleanup_net+0x1b7/0x2b0 [ 21.085576] process_one_work+0x162/0x380 [ 21.085650] worker_thread+0x299/0x3c0 [ 21.085708] ? rescuer_thread+0x4c0/0x4c0 [ 21.085762] kthread+0x101/0x1f0 [ 21.085816] ? kthreads_online_cpu+0x110/0x110 [ 21.085898] ? kthreads_online_cpu+0x110/0x110 [ 21.085981] ret_from_fork+0x11c/0x140 [ 21.086043] ? kthreads_online_cpu+0x110/0x110 [ 21.086104] ret_from_fork_asm+0x11/0x20 [ 21.086186] [ 21.086236] ---[ end trace 0000000000000000 ]--- [ 21.363238] br1: left promiscuous mode [ 21.491667] br1: port 4(veth2) entered disabled state [ 21.502168] veth2: left allmulticast mode [ 21.502281] veth2: left promiscuous mode [ 21.502351] br1: port 4(veth2) entered disabled state [ 21.526188] br1: port 3(veth1) entered disabled state [ 21.537844] veth1: left allmulticast mode [ 21.537919] veth1: left promiscuous mode [ 21.537972] br1: port 3(veth1) entered disabled state [ 21.561137] vx20: left allmulticast mode [ 21.561210] vx20: left promiscuous mode [ 21.561271] br1: port 2(vx20) entered disabled state [ 21.620199] vx10: left allmulticast mode [ 21.620272] vx10: left promiscuous mode [ 21.620325] br1: port 1(vx10) entered disabled state