[ 2.553699] 8021q: 802.1Q VLAN Support v1.8 [ 3.045724] br1: port 1(vx100) entered blocking state [ 3.045841] br1: port 1(vx100) entered disabled state [ 3.045923] vx100: entered allmulticast mode [ 3.046014] vx100: entered promiscuous mode [ 3.046062] br1: port 1(vx100) entered blocking state [ 3.046111] br1: port 1(vx100) entered forwarding state [ 3.068272] br1: port 2(veth1) entered blocking state [ 3.068349] br1: port 2(veth1) entered disabled state [ 3.068419] veth1: entered allmulticast mode [ 3.068508] veth1: entered promiscuous mode [ 3.079397] br1: port 2(veth1) entered blocking state [ 3.079486] br1: port 2(veth1) entered forwarding state [ 3.101807] br1: port 3(veth2) entered blocking state [ 3.101926] br1: port 3(veth2) entered disabled state [ 3.102041] veth2: entered allmulticast mode [ 3.102141] veth2: entered promiscuous mode [ 3.113630] br1: port 3(veth2) entered blocking state [ 3.113715] br1: port 3(veth2) entered forwarding state [ 3.555091] br2: port 1(w1) entered blocking state [ 3.555173] br2: port 1(w1) entered disabled state [ 3.555248] w1: entered allmulticast mode [ 3.555348] w1: entered promiscuous mode [ 3.638727] br2: port 2(vx100) entered blocking state [ 3.638853] br2: port 2(vx100) entered disabled state [ 3.638944] vx100: entered allmulticast mode [ 3.639050] vx100: entered promiscuous mode [ 3.639115] br2: port 2(vx100) entered blocking state [ 3.639181] br2: port 2(vx100) entered forwarding state [ 3.740902] br2: port 1(w1) entered blocking state [ 3.740986] br2: port 1(w1) entered forwarding state [ 4.090896] br2: port 1(w1) entered blocking state [ 4.090970] br2: port 1(w1) entered disabled state [ 4.091046] w1: entered allmulticast mode [ 4.091139] w1: entered promiscuous mode [ 4.178336] br2: port 2(vx100) entered blocking state [ 4.178451] br2: port 2(vx100) entered disabled state [ 4.178523] vx100: entered allmulticast mode [ 4.178638] vx100: entered promiscuous mode [ 4.178695] br2: port 2(vx100) entered blocking state [ 4.178754] br2: port 2(vx100) entered forwarding state [ 4.286192] br2: port 1(w1) entered blocking state [ 4.286281] br2: port 1(w1) entered forwarding state [ 12.771360] vx100: left allmulticast mode [ 12.771421] vx100: left promiscuous mode [ 12.771474] br2: port 2(vx100) entered disabled state [ 12.771677] w1: left allmulticast mode [ 12.771735] w1: left promiscuous mode [ 12.771783] br2: port 1(w1) entered disabled state [ 12.788913] ------------[ cut here ]------------ [ 12.788993] refcount_t: underflow; use-after-free. [ 12.789072] WARNING: CPU: 0 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 12.789156] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 12.789242] CPU: 0 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 12.789319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.789373] Workqueue: netns cleanup_net [ 12.789412] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 12.789451] Code: 97 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 97 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 [ 12.789598] RSP: 0000:ffffb3560024fd50 EFLAGS: 00010286 [ 12.789639] RAX: 0000000000000000 RBX: ffffb3560024fd60 RCX: 00000000ffffdfff [ 12.789693] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 12.789762] RBP: ffffb3560024f868 R08: ffffffff98156a28 R09: 00000000ffffdfff [ 12.789819] R10: ffffffff98076a40 R11: ffffffff98126a40 R12: dead000000000122 [ 12.789891] R13: 00000000fffb9d8f R14: 0000000000000001 R15: ffff9887090aa000 [ 12.789966] FS: 0000000000000000(0000) GS:ffff9887a63d9000(0000) knlGS:0000000000000000 [ 12.790048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.790104] CR2: 00007fa3dbb063e0 CR3: 0000000004d8b001 CR4: 0000000000772ef0 [ 12.790168] PKRU: 55555554 [ 12.790189] Call Trace: [ 12.790208] [ 12.790228] netdev_run_todo+0x21a/0x550 [ 12.790280] ops_undo_list+0x1e3/0x1f0 [ 12.790318] cleanup_net+0x1b7/0x2b0 [ 12.790351] process_one_work+0x162/0x380 [ 12.790393] worker_thread+0x299/0x3c0 [ 12.790424] ? rescuer_thread+0x4c0/0x4c0 [ 12.790459] kthread+0x101/0x1f0 [ 12.790494] ? kthreads_online_cpu+0x110/0x110 [ 12.790533] ? kthreads_online_cpu+0x110/0x110 [ 12.790572] ret_from_fork+0x11c/0x140 [ 12.790610] ? kthreads_online_cpu+0x110/0x110 [ 12.790654] ret_from_fork_asm+0x11/0x20 [ 12.790700] [ 12.790728] ---[ end trace 0000000000000000 ]--- [ 12.846052] vx100: left allmulticast mode [ 12.846126] vx100: left promiscuous mode [ 12.846182] br2: port 2(vx100) entered disabled state [ 12.846410] w1: left allmulticast mode [ 12.846447] w1: left promiscuous mode [ 12.846491] br2: port 1(w1) entered disabled state [ 13.135673] br1: port 3(veth2) entered disabled state [ 13.148117] veth2: left allmulticast mode [ 13.148218] veth2: left promiscuous mode [ 13.148287] br1: port 3(veth2) entered disabled state [ 13.172926] br1: port 2(veth1) entered disabled state [ 13.186114] veth1: left allmulticast mode [ 13.186184] veth1: left promiscuous mode [ 13.186235] br1: port 2(veth1) entered disabled state [ 13.198586] vx100: left allmulticast mode [ 13.198656] vx100: left promiscuous mode [ 13.198749] br1: port 1(vx100) entered disabled state