[ 2.126572] modprobe (180) used greatest stack depth: 12248 bytes left [ 2.351972] br1: port 1(vx10) entered blocking state [ 2.352055] br1: port 1(vx10) entered disabled state [ 2.352124] vx10: entered allmulticast mode [ 2.352210] vx10: entered promiscuous mode [ 2.352269] br1: port 1(vx10) entered blocking state [ 2.352329] br1: port 1(vx10) entered forwarding state [ 2.365440] br1: port 2(vx20) entered blocking state [ 2.365505] br1: port 2(vx20) entered disabled state [ 2.365570] vx20: entered allmulticast mode [ 2.365646] vx20: entered promiscuous mode [ 2.365712] br1: port 2(vx20) entered blocking state [ 2.365777] br1: port 2(vx20) entered forwarding state [ 2.372045] br1: port 3(veth1) entered blocking state [ 2.372076] br1: port 3(veth1) entered disabled state [ 2.372107] veth1: entered allmulticast mode [ 2.372158] veth1: entered promiscuous mode [ 2.375320] br1: port 3(veth1) entered blocking state [ 2.375354] br1: port 3(veth1) entered forwarding state [ 2.381649] br1: port 4(veth2) entered blocking state [ 2.381680] br1: port 4(veth2) entered disabled state [ 2.381711] veth2: entered allmulticast mode [ 2.381772] veth2: entered promiscuous mode [ 2.384988] br1: port 4(veth2) entered blocking state [ 2.385021] br1: port 4(veth2) entered forwarding state [ 2.413796] 8021q: 802.1Q VLAN Support v1.8 [ 2.434747] br1: entered promiscuous mode [ 2.634518] br1: port 1(vx10) entered blocking state [ 2.634587] br1: port 1(vx10) entered disabled state [ 2.634654] vx10: entered allmulticast mode [ 2.634741] vx10: entered promiscuous mode [ 2.634809] br1: port 1(vx10) entered blocking state [ 2.634873] br1: port 1(vx10) entered forwarding state [ 2.647178] br1: port 2(vx20) entered blocking state [ 2.647243] br1: port 2(vx20) entered disabled state [ 2.647310] vx20: entered allmulticast mode [ 2.647390] vx20: entered promiscuous mode [ 2.647455] br1: port 2(vx20) entered blocking state [ 2.647516] br1: port 2(vx20) entered forwarding state [ 2.653682] br1: port 3(w1) entered blocking state [ 2.653751] br1: port 3(w1) entered disabled state [ 2.653829] w1: entered allmulticast mode [ 2.653901] w1: entered promiscuous mode [ 2.657025] br1: port 3(w1) entered blocking state [ 2.657062] br1: port 3(w1) entered forwarding state [ 2.663199] br1: port 4(w3) entered blocking state [ 2.663231] br1: port 4(w3) entered disabled state [ 2.663265] w3: entered allmulticast mode [ 2.663303] w3: entered promiscuous mode [ 2.666429] br1: port 4(w3) entered blocking state [ 2.666492] br1: port 4(w3) entered forwarding state [ 2.703751] br1: entered promiscuous mode [ 4.426788] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.426945] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.427061] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.427155] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.427297] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.427399] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.427496] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 4.427592] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.427690] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.427789] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 17.569910] w3: left allmulticast mode [ 17.569958] w3: left promiscuous mode [ 17.569991] br1: port 4(w3) entered disabled state [ 17.570358] w1: left allmulticast mode [ 17.570386] w1: left promiscuous mode [ 17.570414] br1: port 3(w1) entered disabled state [ 17.570700] vx20: left allmulticast mode [ 17.570738] vx20: left promiscuous mode [ 17.570765] br1: port 2(vx20) entered disabled state [ 17.570883] vx10: left allmulticast mode [ 17.570905] vx10: left promiscuous mode [ 17.570929] br1: port 1(vx10) entered disabled state [ 17.571371] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 17.571408] #PF: supervisor read access in kernel mode [ 17.571440] #PF: error_code(0x0000) - not-present page [ 17.571473] PGD 321f067 P4D 0 [ 17.571493] Oops: Oops: 0000 [#1] SMP [ 17.571515] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 17.571564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.571599] Workqueue: netns cleanup_net [ 17.571626] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 17.571665] 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 94 e9 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 [ 17.571757] RSP: 0018:ff7c13160023faa0 EFLAGS: 00010286 [ 17.571785] RAX: 0000000000000000 RBX: ff2fbddd41c22000 RCX: 0000000000000000 [ 17.571818] RDX: 0000000000000000 RSI: ff2fbddd41c22818 RDI: ff2fbddd46dd1000 [ 17.571862] RBP: ff2fbddd41c22818 R08: 0000000000000001 R09: 0000000000000000 [ 17.571900] R10: 0000000000000000 R11: 0000000000000001 R12: ff2fbddd46dd1000 [ 17.571948] R13: ff2fbddd41cfa500 R14: ff2fbddd41dd45c0 R15: 0000000000000003 [ 17.571995] FS: 0000000000000000(0000) GS:ff2fbdddd4cfc000(0000) knlGS:0000000000000000 [ 17.572041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.572078] CR2: 0000000000000858 CR3: 0000000002de4002 CR4: 0000000000771ef0 [ 17.572120] PKRU: 55555554 [ 17.572133] Call Trace: [ 17.572148] [ 17.572163] ? enable_work+0x3a/0x100 [ 17.572189] ? cancel_work_sync+0x62/0x70 [ 17.572211] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 17.572239] unregister_netdevice_many_notify+0x6cc/0x9e0 [ 17.572271] macvlan_device_event+0x289/0x2c0 [macvlan] [ 17.572298] notifier_call_chain+0x6d/0x100 [ 17.572328] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 17.572359] vlan_device_event+0x42f/0x610 [8021q] [ 17.572386] notifier_call_chain+0x6d/0x100 [ 17.572405] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 17.572436] ops_undo_list+0x20a/0x240 [ 17.572458] cleanup_net+0x1d7/0x2e0 [ 17.572480] process_one_work+0x162/0x340 [ 17.572500] worker_thread+0x16e/0x2d0 [ 17.572520] ? rescuer_thread+0x500/0x500 [ 17.572542] kthread+0xe1/0x120 [ 17.572565] ? kthread_park+0xa0/0xa0 [ 17.572587] ret_from_fork+0x16d/0x250 [ 17.572610] ? kthread_park+0xa0/0xa0 [ 17.572632] ret_from_fork_asm+0x11/0x20 [ 17.572656] [ 17.572670] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 17.572723] CR2: 0000000000000858 [ 17.572745] ---[ end trace 0000000000000000 ]--- [ 17.572773] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 17.572810] 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 94 e9 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 [ 17.572904] RSP: 0018:ff7c13160023faa0 EFLAGS: 00010286 [ 17.572933] RAX: 0000000000000000 RBX: ff2fbddd41c22000 RCX: 0000000000000000 [ 17.572973] RDX: 0000000000000000 RSI: ff2fbddd41c22818 RDI: ff2fbddd46dd1000 [ 17.573020] RBP: ff2fbddd41c22818 R08: 0000000000000001 R09: 0000000000000000 [ 17.573061] R10: 0000000000000000 R11: 0000000000000001 R12: ff2fbddd46dd1000 [ 17.573104] R13: ff2fbddd41cfa500 R14: ff2fbddd41dd45c0 R15: 0000000000000003 [ 17.573144] FS: 0000000000000000(0000) GS:ff2fbdddd4cfc000(0000) knlGS:0000000000000000 [ 17.573189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.573223] CR2: 0000000000000858 CR3: 0000000002de4002 CR4: 0000000000771ef0 [ 17.573267] PKRU: 55555554 [ 17.573279] note: kworker/u16:1[65] exited with irqs disabled [ 17.573324] kworker/u16:1 (65) used greatest stack depth: 12000 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr