[ 2.378166] IPVS: Registered protocols (TCP) [ 2.378310] IPVS: Connection hash table configured (size=4096, memory=32Kbytes) [ 2.378489] IPVS: ipvs loaded. [ 2.512701] ip (258) used greatest stack depth: 12136 bytes left [ 2.766589] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2.787934] br0: port 1(veth01) entered blocking state [ 2.788015] br0: port 1(veth01) entered disabled state [ 2.788075] veth01: entered allmulticast mode [ 2.788162] veth01: entered promiscuous mode [ 2.808938] br0: port 2(veth02) entered blocking state [ 2.809039] br0: port 2(veth02) entered disabled state [ 2.809122] veth02: entered allmulticast mode [ 2.809231] veth02: entered promiscuous mode [ 2.875475] br0: port 1(veth01) entered blocking state [ 2.875572] br0: port 1(veth01) entered forwarding state [ 3.002354] br0: port 2(veth02) entered blocking state [ 3.002451] br0: port 2(veth02) entered forwarding state [ 4.125383] IPVS: [rr] scheduler registered. [ 4.126556] IPVS: starting estimator thread 0... [ 4.189363] IPVS: using max 54912 ests per chain, 2745600 per kthread [ 4.514791] veth02: left allmulticast mode [ 4.514851] veth02: left promiscuous mode [ 4.514911] br0: port 2(veth02) entered disabled state [ 4.515056] veth01: left allmulticast mode [ 4.515106] veth01: left promiscuous mode [ 4.515149] br0: port 1(veth01) entered disabled state [ 4.537373] ------------[ cut here ]------------ [ 4.537442] refcount_t: underflow; use-after-free. [ 4.537503] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 4.537589] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 [ 4.537698] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 4.537788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4.537851] Workqueue: netns cleanup_net [ 4.537896] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 4.537952] Code: 8a e8 18 ed b9 ff 90 0f 0b 90 90 c3 80 3d d9 ea ea 00 00 75 89 c6 05 d0 ea ea 00 01 90 48 c7 c7 78 de d1 8a e8 f5 ec b9 ff 90 <0f> 0b 90 90 c3 80 3d b4 ea ea 00 00 0f 85 62 ff ff ff c6 05 a7 ea [ 4.538122] RSP: 0018:ffffb377c025fd50 EFLAGS: 00010286 [ 4.538174] RAX: 0000000000000000 RBX: ffffb377c025fd60 RCX: 00000000ffffdfff [ 4.538249] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 4.538330] RBP: ffffb377c025f868 R08: ffffffff8b156d28 R09: 00000000ffffdfff [ 4.538415] R10: ffffffff8b076d40 R11: ffffffff8b126d40 R12: dead000000000122 [ 4.538498] R13: 00000000fffb7d51 R14: 0000000000000001 R15: ffff90ca468b0000 [ 4.538576] FS: 0000000000000000(0000) GS:ffff90caf33d8000(0000) knlGS:0000000000000000 [ 4.538657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.538718] CR2: 00007f81ea107000 CR3: 000000002ba41003 CR4: 0000000000772ef0 [ 4.538794] PKRU: 55555554 [ 4.538823] Call Trace: [ 4.538850] [ 4.538881] netdev_run_todo+0x21a/0x550 [ 4.538928] ops_undo_list+0x1e3/0x1f0 [ 4.538974] cleanup_net+0x1b7/0x2b0 [ 4.539010] process_one_work+0x162/0x380 [ 4.539060] worker_thread+0x299/0x3c0 [ 4.539101] ? rescuer_thread+0x4c0/0x4c0 [ 4.539141] kthread+0x101/0x1f0 [ 4.539183] ? kthreads_online_cpu+0x110/0x110 [ 4.539242] ? kthreads_online_cpu+0x110/0x110 [ 4.539294] ret_from_fork+0x11c/0x140 [ 4.539346] ? kthreads_online_cpu+0x110/0x110 [ 4.539402] ret_from_fork_asm+0x11/0x20 [ 4.539442] [ 4.539466] ---[ end trace 0000000000000000 ]--- [ 4.586411] IPVS: stop unused estimator thread 0... [ 5.070632] br0: port 1(veth01) entered blocking state [ 5.070710] br0: port 1(veth01) entered disabled state [ 5.070786] veth01: entered allmulticast mode [ 5.070878] veth01: entered promiscuous mode [ 5.093083] br0: port 2(veth02) entered blocking state [ 5.093165] br0: port 2(veth02) entered disabled state [ 5.093227] veth02: entered allmulticast mode [ 5.093332] veth02: entered promiscuous mode [ 5.157745] br0: port 1(veth01) entered blocking state [ 5.157850] br0: port 1(veth01) entered forwarding state [ 5.302958] br0: port 2(veth02) entered blocking state [ 5.303095] br0: port 2(veth02) entered forwarding state [ 6.416754] IPVS: starting estimator thread 0... [ 6.479368] IPVS: using max 52992 ests per chain, 2649600 per kthread [ 6.487563] br0: port 2(veth02) entered disabled state [ 6.487868] veth02 (unregistering): left allmulticast mode [ 6.487952] veth02 (unregistering): left promiscuous mode [ 6.488025] br0: port 2(veth02) entered disabled state [ 6.797837] veth01: left allmulticast mode [ 6.797902] veth01: left promiscuous mode [ 6.797966] br0: port 1(veth01) entered disabled state [ 6.861427] IPVS: stop unused estimator thread 0... [ 7.358993] br0: port 1(veth01) entered blocking state [ 7.359116] br0: port 1(veth01) entered disabled state [ 7.359211] veth01: entered allmulticast mode [ 7.359351] veth01: entered promiscuous mode [ 7.382232] br0: port 2(veth02) entered blocking state [ 7.382300] br0: port 2(veth02) entered disabled state [ 7.382363] veth02: entered allmulticast mode [ 7.382462] veth02: entered promiscuous mode [ 7.452923] br0: port 1(veth01) entered blocking state [ 7.453051] br0: port 1(veth01) entered forwarding state [ 7.593912] br0: port 2(veth02) entered blocking state [ 7.594025] br0: port 2(veth02) entered forwarding state [ 8.674532] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.781330] IPVS: starting estimator thread 0... [ 8.845367] IPVS: using max 34272 ests per chain, 1713600 per kthread [ 9.220993] veth02: left allmulticast mode [ 9.221078] veth02: left promiscuous mode [ 9.221142] br0: port 2(veth02) entered disabled state [ 9.221299] veth01: left allmulticast mode [ 9.221350] veth01: left promiscuous mode [ 9.221407] br0: port 1(veth01) entered disabled state [ 9.283493] IPVS: stop unused estimator thread 0...