Mar 10 04:18:10 ornery kernel: [810646.309028] ------------[ cut here ]------------
Mar 10 04:18:10 ornery kernel: [810646.309093] kernel BUG at /build/buildd/linux-3.16.0/kernel/cred.c:423!
Mar 10 04:18:10 ornery kernel: [810646.309162] invalid opcode: 0000 [#1] SMP 
Mar 10 04:18:10 ornery kernel: [810646.309210] Modules linked in: nls_iso8859_1 mmc_block uas usb_storage ctr ccm 8021q garp mrp nfnetlink_queue nfnetlink_log nfnetlink dm_crypt xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_
ipv4 ip6t_REJECT intel_rapl x86_pkg_temp_thermal xt_hl intel_powerclamp coretemp ip6t_rt kvm_intel nf_conntrack_ipv6 nf_defrag_ipv6 kvm ipt_REJECT xt_LOG crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel xt_limit xt_tcpudp xt_a
ddrtype aes_x86_64 lrw gf128mul glue_helper nf_conntrack_ipv4 arc4 nf_defrag_ipv4 ablk_helper cryptd xt_conntrack iwldvm mac80211 rfcomm ip6table_filter bnep ip6_tables joydev bridge bluetooth snd_hda_codec_hdmi stp llc snd_hda_codec_realt
ek 6lowpan_iphc snd_hda_codec_generic nf_conntrack_netbios_ns serio_raw nf_conntrack_broadcast iwlwifi nf_nat_ftp nf_nat nf_conntrack_ftp snd_hda_intel nf_conntrack snd_hda_controller snd_hda_codec iptable_filter ip_tables snd_hwdep x_tabl
es cfg80211 snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi toshiba_acpi sparse_keymap snd_seq wmi toshiba_bluetooth snd_seq_device snd_timer tpm_infineon snd mei_me shpchp mac_hid soundcore mei lpc_ich binfmt_misc parport_pc ppdev lp 
parport hid_generic usbhid hid i915 psmouse i2c_algo_bit drm_kms_helper sdhci_pci e1000e sdhci ahci drm libahci ptp pps_core video [last unloaded: ipmi_msghandler]
Mar 10 04:18:10 ornery kernel: [810646.325514] CPU: 2 PID: 18540 Comm: Cache2 I/O Not tainted 3.16.0-31-generic #41-Ubuntu
Mar 10 04:18:10 ornery kernel: [810646.329365] Hardware name: TOSHIBA TECRA R840/Portable PC, BIOS Version 2.90   07/12/2011
Mar 10 04:18:10 ornery kernel: [810646.333624] task: ffff8801cb77bd20 ti: ffff88018bd14000 task.ti: ffff88018bd14000
Mar 10 04:18:10 ornery kernel: [810646.337815] RIP: 0010:[<ffffffff8109a7f0>]  [<ffffffff8109a7f0>] commit_creds+0x200/0x240
Mar 10 04:18:10 ornery kernel: [810646.342084] RSP: 0018:ffff88018bd17b58  EFLAGS: 00010206
Mar 10 04:18:10 ornery kernel: [810646.346359] RAX: 0000000000000001 RBX: ffff88007a8a7030 RCX: ffff88023f589800
Mar 10 04:18:10 ornery kernel: [810646.350717] RDX: 000000000000005d RSI: 0000000000000001 RDI: ffff880146336600
Mar 10 04:18:10 ornery kernel: [810646.354991] RBP: ffff88018bd17b70 R08: 0000000000016600 R09: ffff8801cb76b4e0
Mar 10 04:18:10 ornery kernel: [810646.359233] R10: ffffffff81333f67 R11: 0000000000000084 R12: ffff88018bc423c0
Mar 10 04:18:10 ornery kernel: [810646.363468] R13: ffff8801cb77bd20 R14: 0000000000008002 R15: ffff880003ec43b0
Mar 10 04:18:10 ornery kernel: [810646.367829] FS:  00007f160fb27700(0000) GS:ffff88024e280000(0000) knlGS:0000000000000000
Mar 10 04:18:10 ornery kernel: [810646.372194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 10 04:18:10 ornery kernel: [810646.376585] CR2: 00007f15e1b48ae8 CR3: 000000016b3eb000 CR4: 00000000000407e0
Mar 10 04:18:10 ornery kernel: [810646.380896] Stack:
Mar 10 04:18:10 ornery kernel: [810646.385169]  ffff88007a8a7030 ffff8801cb76b4e0 ffff880146336600 ffff88018bd17b98
Mar 10 04:18:10 ornery kernel: [810646.389467]  ffffffff813342ab ffff88007a8a7030 ffff8801cb41ca00 ffff8800a4a8af00
Mar 10 04:18:10 ornery kernel: [810646.393717]  ffff88018bd17bc0 ffffffff8133e1ea 0000000000000000 ffff8801cb41ca00
Mar 10 04:18:10 ornery kernel: [810646.397968] Call Trace:
Mar 10 04:18:10 ornery kernel: [810646.402280]  [<ffffffff813342ab>] aa_replace_current_label+0xeb/0x170
Mar 10 04:18:10 ornery kernel: [810646.406567]  [<ffffffff8133e1ea>] apparmor_file_alloc_security+0xca/0x180
Mar 10 04:18:10 ornery kernel: [810646.410860]  [<ffffffff812fd8c6>] security_file_alloc+0x16/0x20
Mar 10 04:18:10 ornery kernel: [810646.415118]  [<ffffffff811e32da>] get_empty_filp+0x9a/0x1c0
Mar 10 04:18:10 ornery kernel: [810646.419497]  [<ffffffff811dedac>] dentry_open+0x2c/0xd0
Mar 10 04:18:10 ornery kernel: [810646.423722]  [<ffffffff812cf0f5>] ecryptfs_privileged_open+0xa5/0x160
Mar 10 04:18:10 ornery kernel: [810646.427901]  [<ffffffff812c51d0>] ? upper_size_to_lower_size+0x50/0x50
Mar 10 04:18:10 ornery kernel: [810646.432006]  [<ffffffff812c7868>] ecryptfs_get_lower_file+0x88/0xf0
Mar 10 04:18:10 ornery kernel: [810646.436123]  [<ffffffff812c5d63>] ecryptfs_lookup+0x243/0x350
Mar 10 04:18:10 ornery kernel: [810646.440174]  [<ffffffff811eaced>] lookup_real+0x1d/0x70
Mar 10 04:18:10 ornery kernel: [810646.444178]  [<ffffffff811eb753>] __lookup_hash+0x33/0x40
Mar 10 04:18:10 ornery kernel: [810646.448089]  [<ffffffff811f0bf3>] path_lookupat+0x903/0xd70
Mar 10 04:18:10 ornery kernel: [810646.451947]  [<ffffffff811c2f65>] ? kmem_cache_alloc+0x35/0x1f0
Mar 10 04:18:10 ornery kernel: [810646.455667]  [<ffffffff811f203b>] ? getname_flags+0x4b/0x180
Mar 10 04:18:10 ornery kernel: [810646.459287]  [<ffffffff811f108a>] filename_lookup+0x2a/0xd0
Mar 10 04:18:10 ornery kernel: [810646.462807]  [<ffffffff811f2f34>] user_path_at_empty+0x54/0xb0
Mar 10 04:18:10 ornery kernel: [810646.466242]  [<ffffffff8133d04f>] ? apparmor_cred_prepare+0x2f/0x50
Mar 10 04:18:10 ornery kernel: [810646.469693]  [<ffffffff811f2fa1>] user_path_at+0x11/0x20
Mar 10 04:18:10 ornery kernel: [810646.472929]  [<ffffffff811dfa62>] SyS_access+0xa2/0x210
Mar 10 04:18:10 ornery kernel: [810646.476126]  [<ffffffff8178ad2d>] system_call_fastpath+0x1a/0x1f
Mar 10 04:18:10 ornery kernel: [810646.479365] Code: fa c0 5b c4 81 0f 84 6b fe ff ff 48 8b 8a c8 00 00 00 48 39 ce 75 e4 3b 82 d4 00 00 00 0f 84 75 fe ff ff 48 89 f2 eb d6 0f 1f 00 <0f> 0b 66 0f 1f 44 00 00 0f 0b 49 8b 44 24 30 48 89 c2 f7 d0 48 
Mar 10 04:18:10 ornery kernel: [810646.486376] RIP  [<ffffffff8109a7f0>] commit_creds+0x200/0x240
Mar 10 04:18:10 ornery kernel: [810646.489720]  RSP <ffff88018bd17b58>
Mar 10 04:18:10 ornery kernel: [810646.507127] ---[ end trace 4c2b72446f37a9aa ]---