[ 2.250262] modprobe (231) used greatest stack depth: 12264 bytes left [ 2.291382] br1: port 1(vx10) entered blocking state [ 2.291416] br1: port 1(vx10) entered disabled state [ 2.291452] vx10: entered allmulticast mode [ 2.291497] vx10: entered promiscuous mode [ 2.291522] br1: port 1(vx10) entered blocking state [ 2.291551] br1: port 1(vx10) entered forwarding state [ 2.304524] br1: port 2(vx20) entered blocking state [ 2.304589] br1: port 2(vx20) entered disabled state [ 2.304655] vx20: entered allmulticast mode [ 2.304731] vx20: entered promiscuous mode [ 2.304796] br1: port 2(vx20) entered blocking state [ 2.304856] br1: port 2(vx20) entered forwarding state [ 2.311241] br1: port 3(veth1) entered blocking state [ 2.311270] br1: port 3(veth1) entered disabled state [ 2.311302] veth1: entered allmulticast mode [ 2.311356] veth1: entered promiscuous mode [ 2.314569] br1: port 3(veth1) entered blocking state [ 2.314632] br1: port 3(veth1) entered forwarding state [ 2.320857] br1: port 4(veth2) entered blocking state [ 2.320885] br1: port 4(veth2) entered disabled state [ 2.320920] veth2: entered allmulticast mode [ 2.320975] veth2: entered promiscuous mode [ 2.324185] br1: port 4(veth2) entered blocking state [ 2.324246] br1: port 4(veth2) entered forwarding state [ 2.352085] 8021q: 802.1Q VLAN Support v1.8 [ 2.373925] br1: entered promiscuous mode [ 2.569781] br1: port 1(vx10) entered blocking state [ 2.569853] br1: port 1(vx10) entered disabled state [ 2.569927] vx10: entered allmulticast mode [ 2.570000] vx10: entered promiscuous mode [ 2.570065] br1: port 1(vx10) entered blocking state [ 2.570126] br1: port 1(vx10) entered forwarding state [ 2.582382] br1: port 2(vx20) entered blocking state [ 2.582413] br1: port 2(vx20) entered disabled state [ 2.582446] vx20: entered allmulticast mode [ 2.582486] vx20: entered promiscuous mode [ 2.582511] br1: port 2(vx20) entered blocking state [ 2.582543] br1: port 2(vx20) entered forwarding state [ 2.588647] br1: port 3(w1) entered blocking state [ 2.588676] br1: port 3(w1) entered disabled state [ 2.588707] w1: entered allmulticast mode [ 2.588749] w1: entered promiscuous mode [ 2.591834] br1: port 3(w1) entered blocking state [ 2.591895] br1: port 3(w1) entered forwarding state [ 2.598119] br1: port 4(w3) entered blocking state [ 2.598156] br1: port 4(w3) entered disabled state [ 2.598180] w3: entered allmulticast mode [ 2.598219] w3: entered promiscuous mode [ 2.601342] br1: port 4(w3) entered blocking state [ 2.601404] br1: port 4(w3) entered forwarding state [ 2.634927] br1: entered promiscuous mode [ 4.605939] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.605940] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.605962] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.606040] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.606109] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.606162] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.606216] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.606273] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.606336] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.606391] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 17.492019] w3: left allmulticast mode [ 17.492067] w3: left promiscuous mode [ 17.492101] br1: port 4(w3) entered disabled state [ 17.492267] w1: left allmulticast mode [ 17.492294] w1: left promiscuous mode [ 17.492321] br1: port 3(w1) entered disabled state [ 17.492516] vx20: left allmulticast mode [ 17.492572] vx20: left promiscuous mode [ 17.492598] br1: port 2(vx20) entered disabled state [ 17.492795] vx10: left allmulticast mode [ 17.492824] vx10: left promiscuous mode [ 17.492859] br1: port 1(vx10) entered disabled state [ 17.493476] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 17.493528] #PF: supervisor read access in kernel mode [ 17.493558] #PF: error_code(0x0000) - not-present page [ 17.493589] PGD 0 [ 17.493605] Oops: Oops: 0000 [#1] SMP [ 17.493629] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 17.493675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.493709] Workqueue: netns cleanup_net [ 17.493732] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 17.493766] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 cc 4a d4 fd 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 48 04 00 00 8b 0a 0f [ 17.493855] RSP: 0018:ff6acd618023faa0 EFLAGS: 00010286 [ 17.493883] RAX: 0000000000000000 RBX: ff418f5e8198a000 RCX: 0000000000000000 [ 17.493928] RDX: 0000000000000000 RSI: ff418f5e8198a818 RDI: ff418f5e86b60000 [ 17.493968] RBP: ff418f5e8198a818 R08: 0000000000000001 R09: 0000000000000000 [ 17.494015] R10: 0000000000000000 R11: 0000000000000001 R12: ff418f5e86b60000 [ 17.494058] R13: ff418f5e818fb300 R14: ff418f5e81e05d00 R15: 0000000000000003 [ 17.494102] FS: 0000000000000000(0000) GS:ff418f5f008fc000(0000) knlGS:0000000000000000 [ 17.494146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.494181] CR2: 0000000000000858 CR3: 0000000008842005 CR4: 0000000000771ef0 [ 17.494223] PKRU: 55555554 [ 17.494236] Call Trace: [ 17.494251] [ 17.494265] ? enable_work+0x3a/0x100 [ 17.494287] ? cancel_work_sync+0x62/0x70 [ 17.494309] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 17.494338] unregister_netdevice_many_notify+0x6cc/0x9e0 [ 17.494365] macvlan_device_event+0x289/0x2c0 [macvlan] [ 17.494392] notifier_call_chain+0x6d/0x100 [ 17.494414] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 17.494442] vlan_device_event+0x42f/0x610 [8021q] [ 17.494470] notifier_call_chain+0x6d/0x100 [ 17.494490] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 17.494517] ops_undo_list+0x20a/0x240 [ 17.494539] cleanup_net+0x1d7/0x2e0 [ 17.494561] process_one_work+0x162/0x340 [ 17.494580] worker_thread+0x16e/0x2d0 [ 17.494600] ? rescuer_thread+0x500/0x500 [ 17.494622] kthread+0xe1/0x120 [ 17.494642] ? kthread_park+0xa0/0xa0 [ 17.494659] ret_from_fork+0x16d/0x250 [ 17.494682] ? kthread_park+0xa0/0xa0 [ 17.494703] ret_from_fork_asm+0x11/0x20 [ 17.494726] [ 17.494738] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 17.494790] CR2: 0000000000000858 [ 17.494808] ---[ end trace 0000000000000000 ]--- [ 17.494836] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 17.494873] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 cc 4a d4 fd 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 48 04 00 00 8b 0a 0f [ 17.494973] RSP: 0018:ff6acd618023faa0 EFLAGS: 00010286 [ 17.495001] RAX: 0000000000000000 RBX: ff418f5e8198a000 RCX: 0000000000000000 [ 17.495047] RDX: 0000000000000000 RSI: ff418f5e8198a818 RDI: ff418f5e86b60000 [ 17.495089] RBP: ff418f5e8198a818 R08: 0000000000000001 R09: 0000000000000000 [ 17.495131] R10: 0000000000000000 R11: 0000000000000001 R12: ff418f5e86b60000 [ 17.495170] R13: ff418f5e818fb300 R14: ff418f5e81e05d00 R15: 0000000000000003 [ 17.495213] FS: 0000000000000000(0000) GS:ff418f5f008fc000(0000) knlGS:0000000000000000 [ 17.495257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.495292] CR2: 0000000000000858 CR3: 0000000008842005 CR4: 0000000000771ef0 [ 17.495331] PKRU: 55555554 [ 17.495344] note: kworker/u16:1[65] exited with irqs disabled [ 17.495457] kworker/u16:1 (65) used greatest stack depth: 12144 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr