[ 14.028557] vboxdrv: Found 8 processor cores. [ 14.028704] vboxdrv: fAsync=0 offMin=0x19d offMax=0x2ba8 [ 14.028784] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 14.028786] vboxdrv: Successfully loaded version 4.3.10_Ubuntu (interface 0x001a0007). [ 14.042141] vboxpci: IOMMU not found (not registered) [ 14.058884] Ebtables v2.0 registered [ 14.065110] ip_tables: (C) 2000-2006 Netfilter Core Team [ 14.070498] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 14.214182] init: plymouth-upstart-bridge main process ended, respawning [ 14.218628] init: plymouth-upstart-bridge main process (2703) terminated with status 1 [ 14.218635] init: plymouth-upstart-bridge main process ended, respawning [ 14.232040] cgroup: systemd-logind (1737) created nested cgroup for controller "memory" which has incomplete hierarchy support. Nested cgroups may change behavior in the future. [ 14.232043] cgroup: "memory" requires setting use_hierarchy to 1 on the root. [ 15.082360] device virbr1-nic entered promiscuous mode [ 15.208772] virbr1: port 1(virbr1-nic) entered listening state [ 15.208786] virbr1: port 1(virbr1-nic) entered listening state [ 15.208854] IPv6: ADDRCONF(NETDEV_UP): virbr1: link is not ready [ 15.241168] virbr1: port 1(virbr1-nic) entered disabled state [ 15.366815] device virbr2-nic entered promiscuous mode [ 15.452146] virbr2: port 1(virbr2-nic) entered listening state [ 15.452156] virbr2: port 1(virbr2-nic) entered listening state [ 15.452241] IPv6: ADDRCONF(NETDEV_UP): virbr2: link is not ready [ 15.454921] virbr2: port 1(virbr2-nic) entered disabled state [ 15.551354] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 15.569079] IPv6: ADDRCONF(NETDEV_UP): virbr0: link is not ready [ 43.601152] audit_printk_skb: 141 callbacks suppressed [ 43.601155] type=1400 audit(1434520355.296:64): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=3920 comm="apparmor_parser" [ 43.601159] type=1400 audit(1434520355.296:65): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3920 comm="apparmor_parser" [ 43.601403] type=1400 audit(1434520355.296:66): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3920 comm="apparmor_parser" [ 49.399186] EXT4-fs (dm-23): mounted filesystem with ordered data mode. Opts: (null) [ 49.452475] systemd-hostnamed[4048]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname! [ 6212.899445] type=1400 audit(1434526515.528:67): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libvirt-4c424207-27c4-0e90-6fea-cc6c8fb85d86" pid=11461 comm="apparmor_parser" [ 6212.997176] device vnet0 entered promiscuous mode [ 6213.025321] br0: port 2(vnet0) entered forwarding state [ 6213.025327] br0: port 2(vnet0) entered forwarding state [ 6213.724130] kvm: zapping shadow pages for mmio generation wraparound [ 6217.194167] kvm [11489]: vcpu0 disabled perfctr wrmsr: 0xc1 data 0xffff [ 6220.628611] kvm [11489]: vcpu3 unhandled rdmsr: 0xd90 [10531.508838] BUG: unable to handle kernel NULL pointer dereference at 0000000000000030 [10531.508889] IP: [] ovl_dentry_root_may+0x30/0x60 [overlayfs] [10531.508933] PGD 3900be067 PUD 33eb1c067 PMD 0 [10531.508961] Oops: 0000 [#1] SMP [10531.508982] Modules linked in: vhost_net vhost macvtap macvlan overlayfs nfsv3 ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp snd_hrtimer ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) autofs4 bnep rfcomm bluetooth binfmt_misc nfsd bridge auth_rpcgss nfs_acl stp nfs llc lockd sunrpc fscache dm_crypt nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek uvcvideo videobuf2_vmalloc videobuf2_memops dm_multipath videobuf2_core snd_hda_intel snd_usb_audio videodev intel_rapl scsi_dh x86_pkg_temp_thermal intel_powerclamp snd_usbmidi_lib coretemp snd_hda_codec snd_hwdep kvm_intel snd_pcm joydev kvm snd_page_alloc crct10dif_pclmul snd_seq_midi crc32_pclmul snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq serio_raw aesni_intel snd_seq_device aes_x86_64 snd_timer lrw gf128mul glue_helper ablk_helper snd cryptd lpc_ich mei_me soundcore mei shpchp intel_smartconnect mac_hid parport_pc ppdev lp parport btrfs libcrc32c raid10 raid1 raid0 multipath linear hid_generic usbhid hid usb_storage raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq i915 i2c_algo_bit ahci drm_kms_helper psmouse r8169 drm libahci mii wmi video [10531.509743] CPU: 2 PID: 15788 Comm: dpkg Tainted: G OX 3.13.0-55-generic #92-Ubuntu [10531.509788] Hardware name: MSI MS-7758/ZH77A-G43 (MS-7758), BIOS V1.10 10/29/2013 [10531.509827] task: ffff88033e8ac800 ti: ffff880390388000 task.ti: ffff880390388000 [10531.509865] RIP: 0010:[] [] ovl_dentry_root_may+0x30/0x60 [overlayfs] [10531.509918] RSP: 0018:ffff880390389da8 EFLAGS: 00010202 [10531.509945] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000 [10531.509981] RDX: 0000000000000014 RSI: 0000000000000004 RDI: ffff8803d2b23540 [10531.510017] RBP: ffff880390389dc0 R08: ffff8807eccdf800 R09: 8080808080808080 [10531.510054] R10: 0000000000000002 R11: ffff880440a5db40 R12: ffff88043c859a80 [10531.510090] R13: ffff880390389e08 R14: 0000000000000002 R15: 0000000000000000 [10531.510127] FS: 0000000000000000(0000) GS:ffff88081f280000(0063) knlGS:00000000f74fb780 [10531.510191] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [10531.510242] CR2: 0000000000000030 CR3: 0000000390322000 CR4: 00000000001427e0 [10531.510279] Stack: [10531.510290] ffff880440a5db40 ffff880390389de8 ffff880440a5db40 ffff880390389e40 [10531.510333] ffffffffa08c0f2e 00ff880390389eb0 0005948200000000 ffffffff811d44c0 [10531.510374] ffff880390389de8 ffff880390389de8 ffff8807edff1a60 ffff88049ed20480 [10531.510415] Call Trace: [10531.510434] [] ovl_check_empty_and_clear+0x4e/0x240 [overlayfs] [10531.510478] [] ? prepend.constprop.25+0x30/0x30 [10531.510513] [] ovl_rmdir+0x23/0x40 [overlayfs] [10531.510547] [] vfs_rmdir+0xa8/0x100 [10531.510577] [] do_rmdir+0x1c1/0x1e0 [10531.510607] [] ? sys32_lstat64+0x2a/0x40 [10531.510638] [] SyS_rmdir+0x16/0x20 [10531.510668] [] sysenter_dispatch+0x7/0x21 [10531.510697] Code: 55 48 89 e5 41 55 49 89 f5 41 54 53 48 8b 47 68 89 d3 48 8b 80 f8 02 00 00 48 8b 78 28 e8 e9 1a 7d e0 49 89 c4 49 8b 45 08 89 de <48> 8b 78 30 e8 97 a4 90 e0 83 f8 01 4c 89 e7 19 db f7 d3 83 e3 [10531.510857] RIP [] ovl_dentry_root_may+0x30/0x60 [overlayfs] [10531.510897] RSP [10531.510916] CR2: 0000000000000030 [10531.524609] ---[ end trace 7928c6315fb87ae0 ]--- [10606.699087] BUG: unable to handle kernel NULL pointer dereference at 0000000000000030 [10606.699135] IP: [] ovl_dentry_root_may+0x30/0x60 [overlayfs] [10606.699179] PGD 33eaf4067 PUD 3aef1d067 PMD 0 [10606.699207] Oops: 0000 [#2] SMP [10606.699228] Modules linked in: vhost_net vhost macvtap macvlan overlayfs nfsv3 ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp snd_hrtimer ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) autofs4 bnep rfcomm bluetooth binfmt_misc nfsd bridge auth_rpcgss nfs_acl stp nfs llc lockd sunrpc fscache dm_crypt nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek uvcvideo videobuf2_vmalloc videobuf2_memops dm_multipath videobuf2_core snd_hda_intel snd_usb_audio videodev intel_rapl scsi_dh x86_pkg_temp_thermal intel_powerclamp snd_usbmidi_lib coretemp snd_hda_codec snd_hwdep kvm_intel snd_pcm joydev kvm snd_page_alloc crct10dif_pclmul snd_seq_midi crc32_pclmul snd_seq_midi_event snd_rawmidi ghash_clmulni_intel snd_seq serio_raw aesni_intel snd_seq_device aes_x86_64 snd_timer lrw gf128mul glue_helper ablk_helper snd cryptd lpc_ich mei_me soundcore mei shpchp intel_smartconnect mac_hid parport_pc ppdev lp parport btrfs libcrc32c raid10 raid1 raid0 multipath linear hid_generic usbhid hid usb_storage raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq i915 i2c_algo_bit ahci drm_kms_helper psmouse r8169 drm libahci mii wmi video [10606.699999] CPU: 3 PID: 20091 Comm: dpkg Tainted: G D OX 3.13.0-55-generic #92-Ubuntu [10606.700044] Hardware name: MSI MS-7758/ZH77A-G43 (MS-7758), BIOS V1.10 10/29/2013 [10606.700082] task: ffff8807eda3b000 ti: ffff8803903b2000 task.ti: ffff8803903b2000 [10606.700121] RIP: 0010:[] [] ovl_dentry_root_may+0x30/0x60 [overlayfs] [10606.700174] RSP: 0018:ffff8803903b3da8 EFLAGS: 00010202 [10606.700201] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000 [10606.700238] RDX: 0000000000000016 RSI: 0000000000000004 RDI: ffff8800c9f2e780 [10606.700274] RBP: ffff8803903b3dc0 R08: ffff8806e2d8c800 R09: 8080808080808080 [10606.700311] R10: 0000000000000002 R11: ffff8803129e36c0 R12: ffff88043c9039c0 [10606.700347] R13: ffff8803903b3e08 R14: 0000000000000002 R15: 0000000000000000 [10606.700384] FS: 0000000000000000(0000) GS:ffff88081f2c0000(0063) knlGS:00000000f74c3780 [10606.700425] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [10606.700454] CR2: 0000000000000030 CR3: 000000033e80d000 CR4: 00000000001427e0 [10606.700496] Stack: [10606.700507] ffff8803129e36c0 ffff8803903b3de8 ffff8803129e36c0 ffff8803903b3e40 [10606.700550] ffffffffa08c0f2e 00ff8803903b3eb0 0005bf8200000000 ffffffff811d44c0 [10606.700591] ffff8803903b3de8 ffff8803903b3de8 ffff8807f35b72e0 ffff88049ed20480 [10606.703877] Call Trace: [10606.707153] [] ovl_check_empty_and_clear+0x4e/0x240 [overlayfs] [10606.710317] [] ? prepend.constprop.25+0x30/0x30 [10606.713600] [] ovl_rmdir+0x23/0x40 [overlayfs] [10606.716511] [] vfs_rmdir+0xa8/0x100 [10606.719624] [] do_rmdir+0x1c1/0x1e0 [10606.722531] [] ? sys32_lstat64+0x2a/0x40 [10606.725448] [] SyS_rmdir+0x16/0x20 [10606.728266] [] sysenter_dispatch+0x7/0x21 [10606.731063] Code: 55 48 89 e5 41 55 49 89 f5 41 54 53 48 8b 47 68 89 d3 48 8b 80 f8 02 00 00 48 8b 78 28 e8 e9 1a 7d e0 49 89 c4 49 8b 45 08 89 de <48> 8b 78 30 e8 97 a4 90 e0 83 f8 01 4c 89 e7 19 db f7 d3 83 e3 [10606.733999] RIP [] ovl_dentry_root_may+0x30/0x60 [overlayfs] [10606.736924] RSP [10606.739796] CR2: 0000000000000030 [10606.742671] ---[ end trace 7928c6315fb87ae1 ]--- [11024.555172] cfg80211: Calling CRDA to update world regulatory domain [11024.557668] cfg80211: World regulatory domain updated: [11024.557670] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [11024.557671] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [11024.557672] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [11024.557673] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [11024.557674] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [11024.557675] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)