[ 27.724753] br: port 1(vx) entered blocking state [ 27.724836] br: port 1(vx) entered disabled state [ 27.724933] vx: entered allmulticast mode [ 27.725011] vx: entered promiscuous mode [ 27.725095] br: port 1(vx) entered blocking state [ 27.725154] br: port 1(vx) entered forwarding state [ 29.773886] vx: left allmulticast mode [ 29.773922] vx: left promiscuous mode [ 29.773956] br: port 1(vx) entered disabled state [ 29.810353] br: port 1(vx) entered blocking state [ 29.810390] br: port 1(vx) entered disabled state [ 29.810428] vx: entered allmulticast mode [ 29.810475] vx: entered promiscuous mode [ 29.810509] br: port 1(vx) entered blocking state [ 29.810535] br: port 1(vx) entered forwarding state [ 31.857531] vx: left allmulticast mode [ 31.857565] vx: left promiscuous mode [ 31.857602] br: port 1(vx) entered disabled state [ 31.893786] dd: entered promiscuous mode [ 33.940512] dd: left promiscuous mode [ 33.940642] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 33.940681] #PF: supervisor read access in kernel mode [ 33.940710] #PF: error_code(0x0000) - not-present page [ 33.940739] PGD 4f5c067 P4D 4d90067 PUD 4d91067 PMD 0 [ 33.940774] Oops: Oops: 0000 [#1] SMP [ 33.940800] CPU: 0 UID: 0 PID: 4324 Comm: ip Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 33.940843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.940884] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 33.940916] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 4c a1 6b 01 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 58 04 00 00 8b 0a 0f [ 33.941015] RSP: 0018:ff3d403041e73698 EFLAGS: 00010292 [ 33.941046] RAX: 0000000000000000 RBX: ff1282ea06664000 RCX: 0000000000000000 [ 33.941088] RDX: 0000000000000000 RSI: ff1282ea06664818 RDI: ff1282ea06793000 [ 33.941135] RBP: ff1282ea06664818 R08: ff1282ea011257c0 R09: 0000000000000000 [ 33.941174] R10: 0000000000000000 R11: 0000000000000001 R12: ff1282ea06793000 [ 33.941214] R13: ff1282ea018f8b00 R14: ff1282ea0b22ae80 R15: 0000000000000003 [ 33.941257] FS: 00007f19b3a38840(0000) GS:ff1282ea98a37000(0000) knlGS:0000000000000000 [ 33.941303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.941337] CR2: 0000000000000858 CR3: 0000000006c9f006 CR4: 0000000000771ef0 [ 33.941378] PKRU: 55555554 [ 33.941392] Call Trace: [ 33.941405] [ 33.941420] ? enable_work+0x3a/0x100 [ 33.941443] ? cancel_work_sync+0x62/0x70 [ 33.941463] macvlan_port_destroy+0xa1/0xb0 [ 33.941482] unregister_netdevice_many_notify+0x685/0xa30 [ 33.941511] rtnl_dellink+0x257/0x430 [ 33.941533] ? rtnl_dellinkprop+0x20/0x20 [ 33.941552] rtnetlink_rcv_msg+0x39f/0x460 [ 33.941573] ? get_page_from_freelist+0xf9d/0x1640 [ 33.941604] ? rtnl_calcit.isra.0+0x160/0x160 [ 33.941633] netlink_rcv_skb+0xca/0x140 [ 33.941658] netlink_unicast+0x26b/0x3a0 [ 33.941676] netlink_sendmsg+0x1e2/0x430 [ 33.941696] ____sys_sendmsg+0x14c/0x2b0 [ 33.941719] ___sys_sendmsg+0xe1/0x120 [ 33.941738] __sys_sendmsg+0xa4/0x100 [ 33.941757] do_syscall_64+0x104/0x520 [ 33.941782] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.941812] RIP: 0033:0x7f19b3c7154e [ 33.941832] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 33.941936] RSP: 002b:00007fff693b2800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.941979] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f19b3c7154e [ 33.942020] RDX: 0000000000000000 RSI: 00007fff693b28b0 RDI: 0000000000000005 [ 33.942059] RBP: 00007fff693b2810 R08: 0000000000000000 R09: 0000000000000000 [ 33.942102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a506da2 [ 33.942140] R13: 00000000004a0620 R14: 0000000000000000 R15: 00007fff693b2f70 [ 33.942183] [ 33.942199] Modules linked in: unix_diag vxlan netdevsim psample sch_fq [last unloaded: psample] [ 33.942253] CR2: 0000000000000858 [ 33.942272] ---[ end trace 0000000000000000 ]--- [ 33.942308] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 33.942338] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 4c a1 6b 01 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 58 04 00 00 8b 0a 0f [ 33.942427] RSP: 0018:ff3d403041e73698 EFLAGS: 00010292 [ 33.942454] RAX: 0000000000000000 RBX: ff1282ea06664000 RCX: 0000000000000000 [ 33.942491] RDX: 0000000000000000 RSI: ff1282ea06664818 RDI: ff1282ea06793000 [ 33.942529] RBP: ff1282ea06664818 R08: ff1282ea011257c0 R09: 0000000000000000 [ 33.942566] R10: 0000000000000000 R11: 0000000000000001 R12: ff1282ea06793000 [ 33.942605] R13: ff1282ea018f8b00 R14: ff1282ea0b22ae80 R15: 0000000000000003 [ 33.942646] FS: 00007f19b3a38840(0000) GS:ff1282ea98a37000(0000) knlGS:0000000000000000 [ 33.942688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.942722] CR2: 0000000000000858 CR3: 0000000006c9f006 CR4: 0000000000771ef0 [ 33.942761] PKRU: 55555554 [ 33.942775] note: ip[4324] exited with irqs disabled [ 33.943374] ip (4324) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr