[ 2.473842] IPVS: Registered protocols (TCP) [ 2.473953] IPVS: Connection hash table configured (size=4096, memory=32Kbytes) [ 2.474105] IPVS: ipvs loaded. [ 2.562265] ip (256) used greatest stack depth: 12136 bytes left [ 2.906217] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2.931321] br0: port 1(veth01) entered blocking state [ 2.931388] br0: port 1(veth01) entered disabled state [ 2.931440] veth01: entered allmulticast mode [ 2.931583] veth01: entered promiscuous mode [ 2.952853] br0: port 2(veth02) entered blocking state [ 2.952982] br0: port 2(veth02) entered disabled state [ 2.953081] veth02: entered allmulticast mode [ 2.953190] veth02: entered promiscuous mode [ 3.016702] br0: port 1(veth01) entered blocking state [ 3.016783] br0: port 1(veth01) entered forwarding state [ 3.148235] br0: port 2(veth02) entered blocking state [ 3.148329] br0: port 2(veth02) entered forwarding state [ 4.275330] IPVS: [rr] scheduler registered. [ 4.276480] IPVS: starting estimator thread 0... [ 4.341088] IPVS: using max 54912 ests per chain, 2745600 per kthread [ 4.660770] veth02: left allmulticast mode [ 4.660871] veth02: left promiscuous mode [ 4.660940] br0: port 2(veth02) entered disabled state [ 4.661153] veth01: left allmulticast mode [ 4.661224] veth01: left promiscuous mode [ 4.661273] br0: port 1(veth01) entered disabled state [ 4.680133] ------------[ cut here ]------------ [ 4.680223] refcount_t: underflow; use-after-free. [ 4.680294] WARNING: CPU: 1 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 4.680369] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 [ 4.680463] CPU: 1 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 4.680529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4.680576] Workqueue: netns cleanup_net [ 4.680615] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 4.680664] Code: bc 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 b1 bc 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 [ 4.680814] RSP: 0018:ffffc17680257d50 EFLAGS: 00010286 [ 4.680852] RAX: 0000000000000000 RBX: ffffc17680257d60 RCX: 00000000ffffdfff [ 4.680908] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 4.680957] RBP: ffffc17680257868 R08: ffffffffbcf56d28 R09: 00000000ffffdfff [ 4.681012] R10: ffffffffbce76d40 R11: ffffffffbcf26d40 R12: dead000000000122 [ 4.681082] R13: 00000000fffb7de7 R14: 0000000000000001 R15: ffff9f3dc6e62000 [ 4.681140] FS: 0000000000000000(0000) GS:ffff9f3e41658000(0000) knlGS:0000000000000000 [ 4.681196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.681242] CR2: 00007f613bb08810 CR3: 0000000037e41004 CR4: 0000000000772ef0 [ 4.681299] PKRU: 55555554 [ 4.681319] Call Trace: [ 4.681338] [ 4.681367] netdev_run_todo+0x21a/0x550 [ 4.681418] ops_undo_list+0x1e3/0x1f0 [ 4.681454] cleanup_net+0x1b7/0x2b0 [ 4.681486] process_one_work+0x162/0x380 [ 4.681523] worker_thread+0x299/0x3c0 [ 4.681554] ? rescuer_thread+0x4c0/0x4c0 [ 4.681584] kthread+0x101/0x1f0 [ 4.681620] ? kthreads_online_cpu+0x110/0x110 [ 4.681673] ? kthreads_online_cpu+0x110/0x110 [ 4.681713] ret_from_fork+0x11c/0x140 [ 4.681753] ? kthreads_online_cpu+0x110/0x110 [ 4.681804] ret_from_fork_asm+0x11/0x20 [ 4.681845] [ 4.681874] ---[ end trace 0000000000000000 ]--- [ 4.739240] IPVS: stop unused estimator thread 0... [ 5.258579] br0: port 1(veth01) entered blocking state [ 5.258666] br0: port 1(veth01) entered disabled state [ 5.258741] veth01: entered allmulticast mode [ 5.258864] veth01: entered promiscuous mode [ 5.280283] br0: port 2(veth02) entered blocking state [ 5.280354] br0: port 2(veth02) entered disabled state [ 5.280412] veth02: entered allmulticast mode [ 5.280500] veth02: entered promiscuous mode [ 5.347833] br0: port 1(veth01) entered blocking state [ 5.347919] br0: port 1(veth01) entered forwarding state [ 5.483726] br0: port 2(veth02) entered blocking state [ 5.483793] br0: port 2(veth02) entered forwarding state [ 6.588775] IPVS: starting estimator thread 0... [ 6.651089] IPVS: using max 54912 ests per chain, 2745600 per kthread [ 6.657107] br0: port 2(veth02) entered disabled state [ 6.657366] veth02 (unregistering): left allmulticast mode [ 6.657431] veth02 (unregistering): left promiscuous mode [ 6.657479] br0: port 2(veth02) entered disabled state [ 6.978580] veth01: left allmulticast mode [ 6.978653] veth01: left promiscuous mode [ 6.978734] br0: port 1(veth01) entered disabled state [ 7.068192] IPVS: stop unused estimator thread 0... [ 7.651143] br0: port 1(veth01) entered blocking state [ 7.651220] br0: port 1(veth01) entered disabled state [ 7.651279] veth01: entered allmulticast mode [ 7.651365] veth01: entered promiscuous mode [ 7.677168] br0: port 2(veth02) entered blocking state [ 7.677240] br0: port 2(veth02) entered disabled state [ 7.677303] veth02: entered allmulticast mode [ 7.677422] veth02: entered promiscuous mode [ 7.754980] br0: port 1(veth01) entered blocking state [ 7.755087] br0: port 1(veth01) entered forwarding state [ 7.912790] br0: port 2(veth02) entered blocking state [ 7.912867] br0: port 2(veth02) entered forwarding state [ 9.003673] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 9.103417] IPVS: starting estimator thread 0... [ 9.166097] IPVS: using max 54912 ests per chain, 2745600 per kthread [ 9.524523] veth02: left allmulticast mode [ 9.524587] veth02: left promiscuous mode [ 9.524649] br0: port 2(veth02) entered disabled state [ 9.524879] veth01: left allmulticast mode [ 9.524923] veth01: left promiscuous mode [ 9.524973] br0: port 1(veth01) entered disabled state [ 9.597138] IPVS: stop unused estimator thread 0...