[ 2.251457] ip (192) used greatest stack depth: 12056 bytes left [ 2.425821] br1: port 1(vx10) entered blocking state [ 2.425858] br1: port 1(vx10) entered disabled state [ 2.425948] vx10: entered allmulticast mode [ 2.426024] vx10: entered promiscuous mode [ 2.426085] br1: port 1(vx10) entered blocking state [ 2.426137] br1: port 1(vx10) entered forwarding state [ 2.440704] br1: port 2(vx20) entered blocking state [ 2.440727] br1: port 2(vx20) entered disabled state [ 2.440751] vx20: entered allmulticast mode [ 2.440787] vx20: entered promiscuous mode [ 2.440806] br1: port 2(vx20) entered blocking state [ 2.440823] br1: port 2(vx20) entered forwarding state [ 2.447249] br1: port 3(veth1) entered blocking state [ 2.447269] br1: port 3(veth1) entered disabled state [ 2.447289] veth1: entered allmulticast mode [ 2.447333] veth1: entered promiscuous mode [ 2.450580] br1: port 3(veth1) entered blocking state [ 2.450601] br1: port 3(veth1) entered forwarding state [ 2.456744] br1: port 4(veth2) entered blocking state [ 2.456766] br1: port 4(veth2) entered disabled state [ 2.456787] veth2: entered allmulticast mode [ 2.456824] veth2: entered promiscuous mode [ 2.459978] br1: port 4(veth2) entered blocking state [ 2.460027] br1: port 4(veth2) entered forwarding state [ 2.473009] br1: port 5(vx4001) entered blocking state [ 2.473066] br1: port 5(vx4001) entered disabled state [ 2.473122] vx4001: entered allmulticast mode [ 2.473232] vx4001: entered promiscuous mode [ 2.473287] br1: port 5(vx4001) entered blocking state [ 2.473337] br1: port 5(vx4001) entered forwarding state [ 2.503241] 8021q: 802.1Q VLAN Support v1.8 [ 2.525251] br1: entered promiscuous mode [ 2.738457] br1: port 1(vx10) entered blocking state [ 2.738487] br1: port 1(vx10) entered disabled state [ 2.738578] vx10: entered allmulticast mode [ 2.738649] vx10: entered promiscuous mode [ 2.738707] br1: port 1(vx10) entered blocking state [ 2.738759] br1: port 1(vx10) entered forwarding state [ 2.750927] br1: port 2(vx20) entered blocking state [ 2.750977] br1: port 2(vx20) entered disabled state [ 2.751032] vx20: entered allmulticast mode [ 2.751108] vx20: entered promiscuous mode [ 2.751163] br1: port 2(vx20) entered blocking state [ 2.751221] br1: port 2(vx20) entered forwarding state [ 2.763545] br1: port 3(vx4001) entered blocking state [ 2.763573] br1: port 3(vx4001) entered disabled state [ 2.763657] vx4001: entered allmulticast mode [ 2.763726] vx4001: entered promiscuous mode [ 2.763787] br1: port 3(vx4001) entered blocking state [ 2.763840] br1: port 3(vx4001) entered forwarding state [ 2.769952] br1: port 4(w1) entered blocking state [ 2.770005] br1: port 4(w1) entered disabled state [ 2.770067] w1: entered allmulticast mode [ 2.770138] w1: entered promiscuous mode [ 2.773308] br1: port 4(w1) entered blocking state [ 2.773330] br1: port 4(w1) entered forwarding state [ 2.779414] br1: port 5(w3) entered blocking state [ 2.779433] br1: port 5(w3) entered disabled state [ 2.779457] w3: entered allmulticast mode [ 2.779489] w3: entered promiscuous mode [ 2.782634] br1: port 5(w3) entered blocking state [ 2.782684] br1: port 5(w3) entered forwarding state [ 2.815240] br1: entered promiscuous mode [ 2.872295] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 2.872342] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 2.920242] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 3.208218] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 3.208267] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 3.401236] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 3.592245] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 3.593228] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 3.848263] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 3.851213] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 12.870301] w3: left allmulticast mode [ 12.870337] w3: left promiscuous mode [ 12.870365] br1: port 5(w3) entered disabled state [ 12.870472] w1: left allmulticast mode [ 12.870487] w1: left promiscuous mode [ 12.870507] br1: port 4(w1) entered disabled state [ 12.870603] vx4001: left allmulticast mode [ 12.870617] vx4001: left promiscuous mode [ 12.870636] br1: port 3(vx4001) entered disabled state [ 12.870724] vx20: left allmulticast mode [ 12.870738] vx20: left promiscuous mode [ 12.870756] br1: port 2(vx20) entered disabled state [ 12.870862] vx10: left allmulticast mode [ 12.870873] vx10: left promiscuous mode [ 12.870890] br1: port 1(vx10) entered disabled state [ 12.871498] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 12.871521] #PF: supervisor read access in kernel mode [ 12.871541] #PF: error_code(0x0000) - not-present page [ 12.871561] PGD 790f067 P4D 0 [ 12.871578] Oops: Oops: 0000 [#1] SMP [ 12.871594] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 12.871626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.871650] Workqueue: netns cleanup_net [ 12.871671] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 12.871696] 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 b4 c2 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 [ 12.871762] RSP: 0018:ff62de6d0023faa0 EFLAGS: 00010286 [ 12.871782] RAX: 0000000000000000 RBX: ff11f817c7802000 RCX: 0000000000000000 [ 12.871806] RDX: 0000000000000000 RSI: ff11f817c7802818 RDI: ff11f817c6573000 [ 12.871836] RBP: ff11f817c7802818 R08: ff11f817c1403e48 R09: ffffffff82a6e260 [ 12.871862] R10: 0000000000000000 R11: 0000000000000000 R12: ff11f817c6573000 [ 12.871885] R13: ff11f817c1897d00 R14: ff11f817c1c35d00 R15: 0000000000000003 [ 12.871915] FS: 0000000000000000(0000) GS:ff11f8187ba7c000(0000) knlGS:0000000000000000 [ 12.871945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.871972] CR2: 0000000000000858 CR3: 00000000044dc002 CR4: 0000000000771ef0 [ 12.871997] PKRU: 55555554 [ 12.872006] Call Trace: [ 12.872016] [ 12.872027] ? enable_work+0x3a/0x100 [ 12.872047] ? cancel_work_sync+0x62/0x70 [ 12.872062] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 12.872086] unregister_netdevice_many_notify+0x6cc/0x9e0 [ 12.872110] macvlan_device_event+0x289/0x2c0 [macvlan] [ 12.872135] notifier_call_chain+0x6d/0x100 [ 12.872152] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 12.872172] vlan_device_event+0x42f/0x610 [8021q] [ 12.872195] notifier_call_chain+0x6d/0x100 [ 12.872212] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 12.872228] ops_undo_list+0x20a/0x240 [ 12.872242] cleanup_net+0x1d7/0x2e0 [ 12.872257] process_one_work+0x162/0x340 [ 12.872272] worker_thread+0x16e/0x2d0 [ 12.872290] ? rescuer_thread+0x500/0x500 [ 12.872303] kthread+0xe1/0x120 [ 12.872317] ? kthread_park+0xa0/0xa0 [ 12.872333] ret_from_fork+0x16d/0x250 [ 12.872348] ? kthread_park+0xa0/0xa0 [ 12.872360] ret_from_fork_asm+0x11/0x20 [ 12.872383] [ 12.872392] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 12.872426] CR2: 0000000000000858 [ 12.872452] ---[ end trace 0000000000000000 ]--- [ 12.872471] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 12.872494] 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 b4 c2 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 [ 12.872557] RSP: 0018:ff62de6d0023faa0 EFLAGS: 00010286 [ 12.872575] RAX: 0000000000000000 RBX: ff11f817c7802000 RCX: 0000000000000000 [ 12.872603] RDX: 0000000000000000 RSI: ff11f817c7802818 RDI: ff11f817c6573000 [ 12.872628] RBP: ff11f817c7802818 R08: ff11f817c1403e48 R09: ffffffff82a6e260 [ 12.872653] R10: 0000000000000000 R11: 0000000000000000 R12: ff11f817c6573000 [ 12.872678] R13: ff11f817c1897d00 R14: ff11f817c1c35d00 R15: 0000000000000003 [ 12.872708] FS: 0000000000000000(0000) GS:ff11f8187ba7c000(0000) knlGS:0000000000000000 [ 12.872734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.872754] CR2: 0000000000000858 CR3: 00000000044dc002 CR4: 0000000000771ef0 [ 12.872780] PKRU: 55555554 [ 12.872788] note: kworker/u16:1[65] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr