[ 2.581306] 8021q: 802.1Q VLAN Support v1.8 [ 3.060470] br1: port 1(vx100) entered blocking state [ 3.060558] br1: port 1(vx100) entered disabled state [ 3.060632] vx100: entered allmulticast mode [ 3.060728] vx100: entered promiscuous mode [ 3.060776] br1: port 1(vx100) entered blocking state [ 3.060836] br1: port 1(vx100) entered forwarding state [ 3.084686] br1: port 2(veth1) entered blocking state [ 3.084816] br1: port 2(veth1) entered disabled state [ 3.084920] veth1: entered allmulticast mode [ 3.085053] veth1: entered promiscuous mode [ 3.095701] br1: port 2(veth1) entered blocking state [ 3.095786] br1: port 2(veth1) entered forwarding state [ 3.116584] br1: port 3(veth2) entered blocking state [ 3.116669] br1: port 3(veth2) entered disabled state [ 3.116745] veth2: entered allmulticast mode [ 3.116843] veth2: entered promiscuous mode [ 3.127676] br1: port 3(veth2) entered blocking state [ 3.127790] br1: port 3(veth2) entered forwarding state [ 3.580291] br2: port 1(w1) entered blocking state [ 3.580434] br2: port 1(w1) entered disabled state [ 3.580521] w1: entered allmulticast mode [ 3.580625] w1: entered promiscuous mode [ 3.660207] br2: port 2(vx100) entered blocking state [ 3.660270] br2: port 2(vx100) entered disabled state [ 3.660316] vx100: entered allmulticast mode [ 3.660394] vx100: entered promiscuous mode [ 3.660433] br2: port 2(vx100) entered blocking state [ 3.660471] br2: port 2(vx100) entered forwarding state [ 3.766879] br2: port 1(w1) entered blocking state [ 3.766997] br2: port 1(w1) entered forwarding state [ 4.134211] br2: port 1(w1) entered blocking state [ 4.134284] br2: port 1(w1) entered disabled state [ 4.134387] w1: entered allmulticast mode [ 4.134471] w1: entered promiscuous mode [ 4.226788] br2: port 2(vx100) entered blocking state [ 4.226866] br2: port 2(vx100) entered disabled state [ 4.226935] vx100: entered allmulticast mode [ 4.227063] vx100: entered promiscuous mode [ 4.227152] br2: port 2(vx100) entered blocking state [ 4.227196] br2: port 2(vx100) entered forwarding state [ 4.335853] br2: port 1(w1) entered blocking state [ 4.335935] br2: port 1(w1) entered forwarding state [ 12.792644] vx100: left allmulticast mode [ 12.792734] vx100: left promiscuous mode [ 12.792801] br2: port 2(vx100) entered disabled state [ 12.793036] w1: left allmulticast mode [ 12.793087] w1: left promiscuous mode [ 12.793146] br2: port 1(w1) entered disabled state [ 12.814191] ------------[ cut here ]------------ [ 12.814275] refcount_t: underflow; use-after-free. [ 12.814354] WARNING: CPU: 1 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 12.814487] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 12.814602] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 12.814698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.814764] Workqueue: netns cleanup_net [ 12.814813] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 12.814872] Code: 95 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 95 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 [ 12.815058] RSP: 0018:ffffb434c0067d50 EFLAGS: 00010286 [ 12.815123] RAX: 0000000000000000 RBX: ffffb434c0067d60 RCX: 00000000ffffdfff [ 12.815208] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 12.815286] RBP: ffffb434c0067868 R08: ffffffff96156a28 R09: 00000000ffffdfff [ 12.815362] R10: ffffffff96076a40 R11: ffffffff96126a40 R12: dead000000000122 [ 12.815438] R13: 00000000fffb9d98 R14: 0000000000000001 R15: ffff9937c867a000 [ 12.815523] FS: 0000000000000000(0000) GS:ffff993868459000(0000) knlGS:0000000000000000 [ 12.815608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.815673] CR2: 00005590ab587dec CR3: 000000000306c002 CR4: 0000000000772ef0 [ 12.815753] PKRU: 55555554 [ 12.815785] Call Trace: [ 12.815814] [ 12.815846] netdev_run_todo+0x21a/0x550 [ 12.815903] ops_undo_list+0x1e3/0x1f0 [ 12.815946] cleanup_net+0x1b7/0x2b0 [ 12.815993] process_one_work+0x162/0x380 [ 12.816044] worker_thread+0x299/0x3c0 [ 12.816089] ? rescuer_thread+0x4c0/0x4c0 [ 12.816141] kthread+0x101/0x1f0 [ 12.816187] ? kthreads_online_cpu+0x110/0x110 [ 12.816242] ? kthreads_online_cpu+0x110/0x110 [ 12.816294] ret_from_fork+0x11c/0x140 [ 12.816338] ? kthreads_online_cpu+0x110/0x110 [ 12.816396] ret_from_fork_asm+0x11/0x20 [ 12.816444] [ 12.816474] ---[ end trace 0000000000000000 ]--- [ 12.861333] vx100: left allmulticast mode [ 12.861397] vx100: left promiscuous mode [ 12.861462] br2: port 2(vx100) entered disabled state [ 12.861655] w1: left allmulticast mode [ 12.861699] w1: left promiscuous mode [ 12.861749] br2: port 1(w1) entered disabled state [ 13.124540] br1: port 3(veth2) entered disabled state [ 13.135214] veth2: left allmulticast mode [ 13.135281] veth2: left promiscuous mode [ 13.135382] br1: port 3(veth2) entered disabled state [ 13.155751] br1: port 2(veth1) entered disabled state [ 13.166884] veth1: left allmulticast mode [ 13.166959] veth1: left promiscuous mode [ 13.167015] br1: port 2(veth1) entered disabled state [ 13.179595] vx100: left allmulticast mode [ 13.179720] vx100: left promiscuous mode [ 13.179807] br1: port 1(vx100) entered disabled state