[ 2.827287] br1: port 1(vx1) entered blocking state [ 2.827356] br1: port 1(vx1) entered disabled state [ 2.827418] vx1: entered allmulticast mode [ 2.827491] vx1: entered promiscuous mode [ 2.827539] br1: port 1(vx1) entered blocking state [ 2.827579] br1: port 1(vx1) entered forwarding state [ 2.837953] br1: port 2(veth1) entered blocking state [ 2.838018] br1: port 2(veth1) entered disabled state [ 2.838082] veth1: entered allmulticast mode [ 2.838181] veth1: entered promiscuous mode [ 2.848646] br1: port 2(veth1) entered blocking state [ 2.848707] br1: port 2(veth1) entered forwarding state [ 2.874969] br1: port 3(veth2) entered blocking state [ 2.875065] br1: port 3(veth2) entered disabled state [ 2.875126] veth2: entered allmulticast mode [ 2.875240] veth2: entered promiscuous mode [ 2.885943] br1: port 3(veth2) entered blocking state [ 2.886014] br1: port 3(veth2) entered forwarding state [ 3.275809] br2: port 1(w1) entered blocking state [ 3.275918] br2: port 1(w1) entered disabled state [ 3.276046] w1: entered allmulticast mode [ 3.276164] w1: entered promiscuous mode [ 3.337251] br2: port 2(vx2) entered blocking state [ 3.337356] br2: port 2(vx2) entered disabled state [ 3.337423] vx2: entered allmulticast mode [ 3.337494] vx2: entered promiscuous mode [ 3.337545] br2: port 2(vx2) entered blocking state [ 3.337599] br2: port 2(vx2) entered forwarding state [ 3.422735] br2: port 1(w1) entered blocking state [ 3.422800] br2: port 1(w1) entered forwarding state [ 3.673682] br2: port 1(w1) entered blocking state [ 3.673789] br2: port 1(w1) entered disabled state [ 3.673872] w1: entered allmulticast mode [ 3.673960] w1: entered promiscuous mode [ 3.736541] br2: port 2(vx2) entered blocking state [ 3.736631] br2: port 2(vx2) entered disabled state [ 3.736697] vx2: entered allmulticast mode [ 3.736791] vx2: entered promiscuous mode [ 3.736862] br2: port 2(vx2) entered blocking state [ 3.736919] br2: port 2(vx2) entered forwarding state [ 3.814731] br2: port 1(w1) entered blocking state [ 3.814851] br2: port 1(w1) entered forwarding state [ 4.003422] bash (448) used greatest stack depth: 12072 bytes left [ 10.192595] GACT probability NOT on [ 10.194212] tc (482) used greatest stack depth: 11840 bytes left [ 53.108834] vx2: left allmulticast mode [ 53.108915] vx2: left promiscuous mode [ 53.108979] br2: port 2(vx2) entered disabled state [ 53.109280] w1: left allmulticast mode [ 53.109332] w1: left promiscuous mode [ 53.109387] br2: port 1(w1) entered disabled state [ 53.126188] ------------[ cut here ]------------ [ 53.126279] refcount_t: underflow; use-after-free. [ 53.126366] WARNING: CPU: 3 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 53.126484] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth [ 53.126607] CPU: 3 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 53.126697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.126770] Workqueue: netns cleanup_net [ 53.126820] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 53.126877] Code: ac 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 ac 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 [ 53.127068] RSP: 0018:ffffb2ebc0257d50 EFLAGS: 00010286 [ 53.127137] RAX: 0000000000000000 RBX: ffffb2ebc0257d60 RCX: 00000000ffffdfff [ 53.127234] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 53.127327] RBP: ffffb2ebc0257868 R08: ffffffffad356a28 R09: 00000000ffffdfff [ 53.127409] R10: ffffffffad276a40 R11: ffffffffad326a40 R12: dead000000000122 [ 53.127495] R13: 00000000fffc3b24 R14: 0000000000000001 R15: ffff94fd8978b000 [ 53.127587] FS: 0000000000000000(0000) GS:ffff94fe11359000(0000) knlGS:0000000000000000 [ 53.127682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.127761] CR2: 000055d77752d288 CR3: 0000000003260003 CR4: 0000000000772ef0 [ 53.127850] PKRU: 55555554 [ 53.127878] Call Trace: [ 53.127909] [ 53.127939] netdev_run_todo+0x21a/0x550 [ 53.127998] ops_undo_list+0x1e3/0x1f0 [ 53.128051] cleanup_net+0x1b7/0x2b0 [ 53.128102] process_one_work+0x162/0x380 [ 53.128162] worker_thread+0x299/0x3c0 [ 53.128212] ? rescuer_thread+0x4c0/0x4c0 [ 53.128265] kthread+0x101/0x1f0 [ 53.128313] ? kthreads_online_cpu+0x110/0x110 [ 53.128372] ? kthreads_online_cpu+0x110/0x110 [ 53.128433] ret_from_fork+0x11c/0x140 [ 53.128485] ? kthreads_online_cpu+0x110/0x110 [ 53.128542] ret_from_fork_asm+0x11/0x20 [ 53.128594] [ 53.128620] ---[ end trace 0000000000000000 ]--- [ 53.167296] vx2: left allmulticast mode [ 53.167372] vx2: left promiscuous mode [ 53.167438] br2: port 2(vx2) entered disabled state [ 53.167611] w1: left allmulticast mode [ 53.167660] w1: left promiscuous mode [ 53.167711] br2: port 1(w1) entered disabled state [ 53.439468] br1: port 3(veth2) entered disabled state [ 53.451031] veth2: left allmulticast mode [ 53.451112] veth2: left promiscuous mode [ 53.451150] br1: port 3(veth2) entered disabled state [ 53.479486] br1: port 2(veth1) entered disabled state [ 53.491216] veth1: left allmulticast mode [ 53.491266] veth1: left promiscuous mode [ 53.491305] br1: port 2(veth1) entered disabled state [ 53.503217] vx1: left allmulticast mode [ 53.503287] vx1: left promiscuous mode [ 53.503342] br1: port 1(vx1) entered disabled state