[ 512.297904] br0: port 1(veth1) entered blocking state [ 512.297946] br0: port 1(veth1) entered disabled state [ 512.297966] veth1: entered allmulticast mode [ 512.298010] veth1: entered promiscuous mode [ 512.301323] br0: port 2(veth2) entered blocking state [ 512.301404] br0: port 2(veth2) entered disabled state [ 512.301488] veth2: entered allmulticast mode [ 512.301586] veth2: entered promiscuous mode [ 512.305071] br0: port 3(veth3) entered blocking state [ 512.305108] br0: port 3(veth3) entered disabled state [ 512.305128] veth3: entered allmulticast mode [ 512.305172] veth3: entered promiscuous mode [ 512.335257] veth4: entered promiscuous mode [ 512.338374] br0: port 4(macvlan4) entered blocking state [ 512.338426] br0: port 4(macvlan4) entered disabled state [ 512.338491] macvlan4: entered allmulticast mode [ 512.338541] veth4: entered allmulticast mode [ 512.338617] macvlan4: entered promiscuous mode [ 512.342099] br0: port 3(veth3) entered blocking state [ 512.342127] br0: port 3(veth3) entered forwarding state [ 512.342148] br0: port 2(veth2) entered blocking state [ 512.342169] br0: port 2(veth2) entered forwarding state [ 512.342220] br0: entered promiscuous mode [ 512.342304] br0: port 2(veth2) entered disabled state [ 512.342357] br0: port 3(veth3) entered disabled state [ 512.372739] br0: port 1(veth1) entered blocking state [ 512.372804] br0: port 1(veth1) entered forwarding state [ 512.376347] br0: port 2(veth2) entered blocking state [ 512.376379] br0: port 2(veth2) entered forwarding state [ 512.379902] br0: port 3(veth3) entered blocking state [ 512.379929] br0: port 3(veth3) entered forwarding state [ 512.383213] br0: port 4(macvlan4) entered blocking state [ 512.383270] br0: port 4(macvlan4) entered forwarding state [ 519.941520] macvlan4: left allmulticast mode [ 519.941560] veth4: left allmulticast mode [ 519.941579] macvlan4: left promiscuous mode [ 519.941610] br0: port 4(macvlan4) entered disabled state [ 519.941742] veth3: left allmulticast mode [ 519.941763] veth3: left promiscuous mode [ 519.941780] br0: port 3(veth3) entered disabled state [ 519.941851] veth2: left allmulticast mode [ 519.941864] veth2: left promiscuous mode [ 519.941878] br0: port 2(veth2) entered disabled state [ 519.941959] veth1: left allmulticast mode [ 519.941975] veth1: left promiscuous mode [ 519.941990] br0: port 1(veth1) entered disabled state [ 519.942285] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 519.942307] #PF: supervisor read access in kernel mode [ 519.942323] #PF: error_code(0x0000) - not-present page [ 519.942339] PGD 0 [ 519.942353] Oops: Oops: 0000 [#1] SMP [ 519.942366] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 519.942392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 519.942414] Workqueue: netns cleanup_net [ 519.942458] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 519.942497] 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 ca 69 da 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 [ 519.942567] RSP: 0018:ff899c6ec0067b98 EFLAGS: 00010292 [ 519.942584] RAX: 0000000000000000 RBX: ff36d65893fc2000 RCX: 0000000000000000 [ 519.942608] RDX: 0000000000000000 RSI: ff36d65893fc2818 RDI: ff36d6588c482000 [ 519.942644] RBP: ff36d65893fc2818 R08: ff36d65881403e58 R09: ffffffff9a46e560 [ 519.942693] R10: 0000000000000000 R11: 0000000000000000 R12: ff36d6588c482000 [ 519.942720] R13: ff36d658879fe100 R14: ff36d658812745c0 R15: 0000000000000003 [ 519.942754] FS: 0000000000000000(0000) GS:ff36d659241ea000(0000) knlGS:0000000000000000 [ 519.942786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 519.942805] CR2: 0000000000000858 CR3: 000000002a842005 CR4: 0000000000771ef0 [ 519.942830] PKRU: 55555554 [ 519.942841] Call Trace: [ 519.942852] [ 519.942860] ? enable_work+0x3a/0x100 [ 519.942874] ? cancel_work_sync+0x62/0x70 [ 519.942886] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 519.942903] unregister_netdevice_many_notify+0x685/0xa30 [ 519.942920] macvlan_device_event+0x289/0x2c0 [macvlan] [ 519.942937] notifier_call_chain+0x6d/0x100 [ 519.942950] unregister_netdevice_many_notify+0x547/0xa30 [ 519.942970] ops_undo_list+0x20a/0x240 [ 519.942981] cleanup_net+0x1d7/0x2e0 [ 519.942993] process_one_work+0x162/0x340 [ 519.943006] worker_thread+0x16e/0x2d0 [ 519.943040] ? rescuer_thread+0x500/0x500 [ 519.943066] kthread+0xe1/0x120 [ 519.943088] ? kthread_park+0xa0/0xa0 [ 519.943112] ret_from_fork+0x18e/0x290 [ 519.943133] ? kthread_park+0xa0/0xa0 [ 519.943146] ret_from_fork_asm+0x11/0x20 [ 519.943163] [ 519.943175] Modules linked in: macvlan xt_REDIRECT xt_nat br_netfilter xt_tcpudp xt_conntrack nft_compat x_tables tun nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 netdevsim dummy nft_flow_offload nf_flow_table_inet nf_flow_table nft_meta_bridge bridge stp llc nft_numgen sctp_diag nft_limit nfnetlink_queue nft_queue sctp ip6_udp_tunnel udp_tunnel nft_ct nf_conntrack_netlink nft_redir nft_masq nft_nat nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables [ 519.943370] CR2: 0000000000000858 [ 519.943387] ---[ end trace 0000000000000000 ]--- [ 519.943403] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 519.943422] 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 ca 69 da 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 [ 519.943473] RSP: 0018:ff899c6ec0067b98 EFLAGS: 00010292 [ 519.943491] RAX: 0000000000000000 RBX: ff36d65893fc2000 RCX: 0000000000000000 [ 519.943512] RDX: 0000000000000000 RSI: ff36d65893fc2818 RDI: ff36d6588c482000 [ 519.943534] RBP: ff36d65893fc2818 R08: ff36d65881403e58 R09: ffffffff9a46e560 [ 519.943557] R10: 0000000000000000 R11: 0000000000000000 R12: ff36d6588c482000 [ 519.943584] R13: ff36d658879fe100 R14: ff36d658812745c0 R15: 0000000000000003 [ 519.943607] FS: 0000000000000000(0000) GS:ff36d659241ea000(0000) knlGS:0000000000000000 [ 519.943629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 519.943647] CR2: 0000000000000858 CR3: 000000002a842005 CR4: 0000000000771ef0 [ 519.943669] PKRU: 55555554 [ 519.943677] note: kworker/u16:0[12] exited with irqs disabled