[ 2.412381] modprobe (229) used greatest stack depth: 12264 bytes left [ 2.460564] br1: port 1(vx10) entered blocking state [ 2.460617] br1: port 1(vx10) entered disabled state [ 2.460645] vx10: entered allmulticast mode [ 2.460697] vx10: entered promiscuous mode [ 2.460725] br1: port 1(vx10) entered blocking state [ 2.460748] br1: port 1(vx10) entered forwarding state [ 2.475354] br1: port 2(vx20) entered blocking state [ 2.475393] br1: port 2(vx20) entered disabled state [ 2.475437] vx20: entered allmulticast mode [ 2.475481] vx20: entered promiscuous mode [ 2.475510] br1: port 2(vx20) entered blocking state [ 2.475535] br1: port 2(vx20) entered forwarding state [ 2.482580] br1: port 3(veth1) entered blocking state [ 2.482616] br1: port 3(veth1) entered disabled state [ 2.482648] veth1: entered allmulticast mode [ 2.482704] veth1: entered promiscuous mode [ 2.486362] br1: port 3(veth1) entered blocking state [ 2.486457] br1: port 3(veth1) entered forwarding state [ 2.493450] br1: port 4(veth2) entered blocking state [ 2.493520] br1: port 4(veth2) entered disabled state [ 2.493590] veth2: entered allmulticast mode [ 2.493680] veth2: entered promiscuous mode [ 2.497273] br1: port 4(veth2) entered blocking state [ 2.497308] br1: port 4(veth2) entered forwarding state [ 2.511596] br1: port 5(vx4001) entered blocking state [ 2.511633] br1: port 5(vx4001) entered disabled state [ 2.511670] vx4001: entered allmulticast mode [ 2.511728] vx4001: entered promiscuous mode [ 2.511759] br1: port 5(vx4001) entered blocking state [ 2.511789] br1: port 5(vx4001) entered forwarding state [ 2.543658] 8021q: 802.1Q VLAN Support v1.8 [ 2.568145] br1: entered promiscuous mode [ 2.719085] ip (327) used greatest stack depth: 12048 bytes left [ 2.809233] br1: port 1(vx10) entered blocking state [ 2.809277] br1: port 1(vx10) entered disabled state [ 2.809316] vx10: entered allmulticast mode [ 2.809360] vx10: entered promiscuous mode [ 2.809387] br1: port 1(vx10) entered blocking state [ 2.809416] br1: port 1(vx10) entered forwarding state [ 2.822791] br1: port 2(vx20) entered blocking state [ 2.822863] br1: port 2(vx20) entered disabled state [ 2.822938] vx20: entered allmulticast mode [ 2.823021] vx20: entered promiscuous mode [ 2.823087] br1: port 2(vx20) entered blocking state [ 2.823159] br1: port 2(vx20) entered forwarding state [ 2.836591] br1: port 3(vx4001) entered blocking state [ 2.836662] br1: port 3(vx4001) entered disabled state [ 2.836731] vx4001: entered allmulticast mode [ 2.836816] vx4001: entered promiscuous mode [ 2.836891] br1: port 3(vx4001) entered blocking state [ 2.836954] br1: port 3(vx4001) entered forwarding state [ 2.843762] br1: port 4(w1) entered blocking state [ 2.843832] br1: port 4(w1) entered disabled state [ 2.843911] w1: entered allmulticast mode [ 2.844026] w1: entered promiscuous mode [ 2.847527] br1: port 4(w1) entered blocking state [ 2.847571] br1: port 4(w1) entered forwarding state [ 2.854599] br1: port 5(w3) entered blocking state [ 2.854643] br1: port 5(w3) entered disabled state [ 2.854681] w3: entered allmulticast mode [ 2.854731] w3: entered promiscuous mode [ 2.858223] br1: port 5(w3) entered blocking state [ 2.858292] br1: port 5(w3) entered forwarding state [ 2.895122] br1: entered promiscuous mode [ 3.006189] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 3.118134] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 3.118268] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 3.398107] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 3.398263] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 3.591123] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 3.782117] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 3.782250] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.166112] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 4.166234] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 8.838117] net_ratelimit: 5 callbacks suppressed [ 8.838122] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 12.999243] w3: left allmulticast mode [ 12.999295] w3: left promiscuous mode [ 12.999329] br1: port 5(w3) entered disabled state [ 12.999497] w1: left allmulticast mode [ 12.999526] w1: left promiscuous mode [ 12.999552] br1: port 4(w1) entered disabled state [ 12.999736] vx4001: left allmulticast mode [ 12.999791] vx4001: left promiscuous mode [ 12.999826] br1: port 3(vx4001) entered disabled state [ 13.000012] vx20: left allmulticast mode [ 13.000079] vx20: left promiscuous mode [ 13.000125] br1: port 2(vx20) entered disabled state [ 13.000283] vx10: left allmulticast mode [ 13.000346] vx10: left promiscuous mode [ 13.000373] br1: port 1(vx10) entered disabled state [ 13.001056] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 13.001103] #PF: supervisor read access in kernel mode [ 13.001136] #PF: error_code(0x0000) - not-present page [ 13.001166] PGD 18b9067 P4D 0 [ 13.001190] Oops: Oops: 0000 [#1] SMP [ 13.001213] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 13.001262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.001297] Workqueue: netns cleanup_net [ 13.001322] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 13.001365] 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 14 f2 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 [ 13.001461] RSP: 0018:ff66a3e440067aa0 EFLAGS: 00010286 [ 13.001488] RAX: 0000000000000000 RBX: ff2a0d46c2a18000 RCX: 0000000000000000 [ 13.001530] RDX: 0000000000000000 RSI: ff2a0d46c2a18818 RDI: ff2a0d46c7c48000 [ 13.001568] RBP: ff2a0d46c2a18818 R08: ff2a0d46c1403e58 R09: ffffffffb206e260 [ 13.001609] R10: 0000000000000000 R11: 0000000000000000 R12: ff2a0d46c7c48000 [ 13.001651] R13: ff2a0d46c3083800 R14: ff2a0d46c126c5c0 R15: 0000000000000003 [ 13.001694] FS: 0000000000000000(0000) GS:ff2a0d474c4fc000(0000) knlGS:0000000000000000 [ 13.001736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.001775] CR2: 0000000000000858 CR3: 00000000018c3004 CR4: 0000000000771ef0 [ 13.001819] PKRU: 55555554 [ 13.001834] Call Trace: [ 13.001848] [ 13.001862] ? enable_work+0x3a/0x100 [ 13.001891] ? cancel_work_sync+0x62/0x70 [ 13.001912] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 13.001942] unregister_netdevice_many_notify+0x6cc/0x9e0 [ 13.001972] macvlan_device_event+0x289/0x2c0 [macvlan] [ 13.001996] notifier_call_chain+0x6d/0x100 [ 13.002020] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 13.002051] vlan_device_event+0x42f/0x610 [8021q] [ 13.002084] notifier_call_chain+0x6d/0x100 [ 13.002106] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 13.002134] ops_undo_list+0x20a/0x240 [ 13.002157] cleanup_net+0x1d7/0x2e0 [ 13.002181] process_one_work+0x162/0x340 [ 13.002203] worker_thread+0x16e/0x2d0 [ 13.002224] ? rescuer_thread+0x500/0x500 [ 13.002246] kthread+0xe1/0x120 [ 13.002268] ? kthread_park+0xa0/0xa0 [ 13.002288] ret_from_fork+0x16d/0x250 [ 13.002314] ? kthread_park+0xa0/0xa0 [ 13.002336] ret_from_fork_asm+0x11/0x20 [ 13.002364] [ 13.002380] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 13.002433] CR2: 0000000000000858 [ 13.002457] ---[ end trace 0000000000000000 ]--- [ 13.002487] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 13.002522] 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 14 f2 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 [ 13.002616] RSP: 0018:ff66a3e440067aa0 EFLAGS: 00010286 [ 13.002644] RAX: 0000000000000000 RBX: ff2a0d46c2a18000 RCX: 0000000000000000 [ 13.002683] RDX: 0000000000000000 RSI: ff2a0d46c2a18818 RDI: ff2a0d46c7c48000 [ 13.002727] RBP: ff2a0d46c2a18818 R08: ff2a0d46c1403e58 R09: ffffffffb206e260 [ 13.002767] R10: 0000000000000000 R11: 0000000000000000 R12: ff2a0d46c7c48000 [ 13.002810] R13: ff2a0d46c3083800 R14: ff2a0d46c126c5c0 R15: 0000000000000003 [ 13.002855] FS: 0000000000000000(0000) GS:ff2a0d474c4fc000(0000) knlGS:0000000000000000 [ 13.002900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.002929] CR2: 0000000000000858 CR3: 00000000018c3004 CR4: 0000000000771ef0 [ 13.002972] PKRU: 55555554 [ 13.002986] note: kworker/u16:0[12] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr