[ 2.180466] ip (186) used greatest stack depth: 12544 bytes left [ 2.199093] ip (192) used greatest stack depth: 12056 bytes left [ 2.393478] br1: port 1(vx10) entered blocking state [ 2.393515] br1: port 1(vx10) entered disabled state [ 2.393548] vx10: entered allmulticast mode [ 2.393598] vx10: entered promiscuous mode [ 2.393623] br1: port 1(vx10) entered blocking state [ 2.393652] br1: port 1(vx10) entered forwarding state [ 2.408526] br1: port 2(vx20) entered blocking state [ 2.408550] br1: port 2(vx20) entered disabled state [ 2.408571] vx20: entered allmulticast mode [ 2.408608] vx20: entered promiscuous mode [ 2.408631] br1: port 2(vx20) entered blocking state [ 2.408647] br1: port 2(vx20) entered forwarding state [ 2.415650] br1: port 3(veth1) entered blocking state [ 2.415671] br1: port 3(veth1) entered disabled state [ 2.415701] veth1: entered allmulticast mode [ 2.415745] veth1: entered promiscuous mode [ 2.419183] br1: port 3(veth1) entered blocking state [ 2.419202] br1: port 3(veth1) entered forwarding state [ 2.425955] br1: port 4(veth2) entered blocking state [ 2.425976] br1: port 4(veth2) entered disabled state [ 2.425997] veth2: entered allmulticast mode [ 2.426036] veth2: entered promiscuous mode [ 2.429520] br1: port 4(veth2) entered blocking state [ 2.429582] br1: port 4(veth2) entered forwarding state [ 2.461342] 8021q: 802.1Q VLAN Support v1.8 [ 2.483205] br1: entered promiscuous mode [ 2.606854] ip (316) used greatest stack depth: 12016 bytes left [ 2.695656] br1: port 1(vx10) entered blocking state [ 2.695726] br1: port 1(vx10) entered disabled state [ 2.695793] vx10: entered allmulticast mode [ 2.695867] vx10: entered promiscuous mode [ 2.695931] br1: port 1(vx10) entered blocking state [ 2.695993] br1: port 1(vx10) entered forwarding state [ 2.708656] br1: port 2(vx20) entered blocking state [ 2.708725] br1: port 2(vx20) entered disabled state [ 2.708794] vx20: entered allmulticast mode [ 2.708871] vx20: entered promiscuous mode [ 2.708935] br1: port 2(vx20) entered blocking state [ 2.708995] br1: port 2(vx20) entered forwarding state [ 2.715350] br1: port 3(w1) entered blocking state [ 2.715412] br1: port 3(w1) entered disabled state [ 2.715477] w1: entered allmulticast mode [ 2.715551] w1: entered promiscuous mode [ 2.718787] br1: port 3(w1) entered blocking state [ 2.718823] br1: port 3(w1) entered forwarding state [ 2.725176] br1: port 4(w3) entered blocking state [ 2.725205] br1: port 4(w3) entered disabled state [ 2.725241] w3: entered allmulticast mode [ 2.725282] w3: entered promiscuous mode [ 2.728517] br1: port 4(w3) entered blocking state [ 2.728580] br1: port 4(w3) entered forwarding state [ 2.763191] br1: entered promiscuous mode [ 17.600239] w3: left allmulticast mode [ 17.600278] w3: left promiscuous mode [ 17.600308] br1: port 4(w3) entered disabled state [ 17.600417] w1: left allmulticast mode [ 17.600439] w1: left promiscuous mode [ 17.600459] br1: port 3(w1) entered disabled state [ 17.600552] vx20: left allmulticast mode [ 17.600572] vx20: left promiscuous mode [ 17.600594] br1: port 2(vx20) entered disabled state [ 17.600691] vx10: left allmulticast mode [ 17.600710] vx10: left promiscuous mode [ 17.600733] br1: port 1(vx10) entered disabled state [ 17.601899] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 17.601939] #PF: supervisor read access in kernel mode [ 17.601969] #PF: error_code(0x0000) - not-present page [ 17.601998] PGD 460d067 P4D 304a067 PUD 18fb067 PMD 0 [ 17.602030] Oops: Oops: 0000 [#1] SMP [ 17.602054] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 17.602106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.602146] Workqueue: netns cleanup_net [ 17.602172] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 17.602210] 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 74 c8 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 [ 17.602306] RSP: 0018:ff496eaf4023faa0 EFLAGS: 00010286 [ 17.602335] RAX: 0000000000000000 RBX: ff30cd8f47a3e000 RCX: 0000000000000000 [ 17.602378] RDX: 0000000000000000 RSI: ff30cd8f47a3e818 RDI: ff30cd8f45c67000 [ 17.602418] RBP: ff30cd8f47a3e818 R08: 0000000000000001 R09: 0000000000003000 [ 17.602455] R10: 0000000000000001 R11: 0000000000000001 R12: ff30cd8f45c67000 [ 17.602495] R13: ff30cd8f41dded00 R14: ff30cd8f41f65d00 R15: 0000000000000003 [ 17.602539] FS: 0000000000000000(0000) GS:ff30cd8ff60fc000(0000) knlGS:0000000000000000 [ 17.602582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.602616] CR2: 0000000000000858 CR3: 000000000310e006 CR4: 0000000000771ef0 [ 17.602657] PKRU: 55555554 [ 17.602672] Call Trace: [ 17.602687] [ 17.602702] ? enable_work+0x3a/0x100 [ 17.602726] ? cancel_work_sync+0x62/0x70 [ 17.602748] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 17.602777] unregister_netdevice_many_notify+0x6cc/0x9e0 [ 17.602810] macvlan_device_event+0x289/0x2c0 [macvlan] [ 17.602840] notifier_call_chain+0x6d/0x100 [ 17.602860] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 17.602888] vlan_device_event+0x42f/0x610 [8021q] [ 17.602920] notifier_call_chain+0x6d/0x100 [ 17.602942] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 17.602970] ops_undo_list+0x20a/0x240 [ 17.602992] cleanup_net+0x1d7/0x2e0 [ 17.603013] process_one_work+0x162/0x340 [ 17.603032] worker_thread+0x16e/0x2d0 [ 17.603057] ? rescuer_thread+0x500/0x500 [ 17.603078] kthread+0xe1/0x120 [ 17.603100] ? kthread_park+0xa0/0xa0 [ 17.603123] ret_from_fork+0x16d/0x250 [ 17.603144] ? kthread_park+0xa0/0xa0 [ 17.603164] ret_from_fork_asm+0x11/0x20 [ 17.603188] [ 17.603202] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 17.603252] CR2: 0000000000000858 [ 17.603274] ---[ end trace 0000000000000000 ]--- [ 17.603301] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 17.603337] 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 74 c8 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 [ 17.603429] RSP: 0018:ff496eaf4023faa0 EFLAGS: 00010286 [ 17.603454] RAX: 0000000000000000 RBX: ff30cd8f47a3e000 RCX: 0000000000000000 [ 17.603496] RDX: 0000000000000000 RSI: ff30cd8f47a3e818 RDI: ff30cd8f45c67000 [ 17.603541] RBP: ff30cd8f47a3e818 R08: 0000000000000001 R09: 0000000000003000 [ 17.603580] R10: 0000000000000001 R11: 0000000000000001 R12: ff30cd8f45c67000 [ 17.603620] R13: ff30cd8f41dded00 R14: ff30cd8f41f65d00 R15: 0000000000000003 [ 17.603663] FS: 0000000000000000(0000) GS:ff30cd8ff60fc000(0000) knlGS:0000000000000000 [ 17.603707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.603740] CR2: 0000000000000858 CR3: 000000000310e006 CR4: 0000000000771ef0 [ 17.603781] PKRU: 55555554 [ 17.603799] note: kworker/u16:1[65] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr