Public bug reported:

Jul 26 22:42:17 app-server-50 kernel: [581429.462692] BUG: unable to handle 
kernel NULL pointer dereference at 0000000000000018
Jul 26 22:42:17 app-server-50 kernel: [581429.462763] IP: [<ffffffff810988aa>] 
set_task_cpu+0xba/0x1c0
Jul 26 22:42:17 app-server-50 kernel: [581429.462791] PGD a9e6c067 PUD 211c4067 
PMD 0
Jul 26 22:42:17 app-server-50 kernel: [581429.462811] Oops: 0000 [#1] SMP
Jul 26 22:42:17 app-server-50 kernel: [581429.462826] Modules linked in: 
xt_recent ip6t_REJECT xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT 
xt_LOG xt_lim
it xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack coretemp 
crct10dif_pclmul crc32_pclmul ip6table_filter vmw_balloon ip6_tables 
nf_conntrack_netbio
s_ns nf_conntrack_broadcast aesni_intel nf_nat_ftp aes_x86_64 nf_nat lrw 
gf128mul nf_conntrack_ftp nf_conntrack glue_helper ablk_helper iptable_filter 
cryptd serio_raw
ip_tables x_tables vmwgfx ttm drm i2c_piix4 vmw_vmci shpchp mac_hid lp parport 
psmouse floppy mptspi mptscsih e1000 mptbase pata_acpi
Jul 26 22:42:17 app-server-50 kernel: [581429.463056] CPU: 2 PID: 11402 Comm: 
icinga2 Not tainted 3.13.0-79-generic #123-Ubuntu
Jul 26 22:42:17 app-server-50 kernel: [581429.463083] Hardware name: VMware, 
Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 
09/30/2014
Jul 26 22:42:17 app-server-50 kernel: [581429.463118] task: ffff8801357d3000 
ti: ffff880009d26000 task.ti: ffff880009d26000
Jul 26 22:42:17 app-server-50 kernel: [581429.463143] RIP: 
0010:[<ffffffff810988aa>]  [<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
Jul 26 22:42:17 app-server-50 kernel: [581429.463172] RSP: 
0018:ffff880009d27d50  EFLAGS: 00010046
Jul 26 22:42:17 app-server-50 kernel: [581429.463190] RAX: 0000000000000003 
RBX: ffff880009d27d50 RCX: 0000000000000000
Jul 26 22:42:17 app-server-50 kernel: [581429.464733] RDX: ffff880068595000 
RSI: 0000000000000000 RDI: ffffffff81ebe3d8
Jul 26 22:42:17 app-server-50 kernel: [581429.464757] RBP: ffff880009d27e10 
R08: 0000000000000000 R09: 0000000000000004
Jul 26 22:42:17 app-server-50 kernel: [581429.464779] R10: 0000000000000400 
R11: 0000000000000000 R12: ffff8800b87b4800
Jul 26 22:42:17 app-server-50 kernel: [581429.464801] R13: 0000000000000003 
R14: 0000000000000004 R15: 0000000000000003
Jul 26 22:42:17 app-server-50 kernel: [581429.464823] FS:  
00007f9e727e7700(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
Jul 26 22:42:17 app-server-50 kernel: [581429.464848] CS:  0010 DS: 0000 ES: 
0000 CR0: 0000000080050033
Jul 26 22:42:17 app-server-50 kernel: [581429.464866] CR2: 0000000000000018 
CR3: 00000000a9fe3000 CR4: 00000000001407e0
Jul 26 22:42:17 app-server-50 kernel: [581429.464932] Stack:
Jul 26 22:42:17 app-server-50 kernel: [581429.464941]  ffff8800b87b4800 
0000000300000001 ffff880139438458 ffff880009d27e10
Jul 26 22:42:17 app-server-50 kernel: [581429.464968]  ffffffff810a018e 
ffff880008ae4008 ffff88006846d300 ffff880009d27e20
Jul 26 22:42:17 app-server-50 kernel: [581429.464994]  ffffffff8117a872 
0000000000000010 ffff8800a9fda240 ffff8800b942de10
Jul 26 22:42:17 app-server-50 kernel: [581429.465026] Call Trace:
Jul 26 22:42:17 app-server-50 kernel: [581429.465040]  [<ffffffff810a018e>] ? 
select_task_rq_fair+0x62e/0x6f0
Jul 26 22:42:17 app-server-50 kernel: [581429.465064]  [<ffffffff8117a872>] ? 
handle_mm_fault+0x882/0xf10
Jul 26 22:42:17 app-server-50 kernel: [581429.465085]  [<ffffffff8109a8b6>] 
try_to_wake_up+0x186/0x2c0
Jul 26 22:42:17 app-server-50 kernel: [581429.465106]  [<ffffffff817319b4>] ? 
__do_page_fault+0x204/0x570
Jul 26 22:42:17 app-server-50 kernel: [581429.465760]  [<ffffffff8109aa42>] 
default_wake_function+0x12/0x20
Jul 26 22:42:17 app-server-50 kernel: [581429.466379]  [<ffffffff810aadf8>] 
__wake_up_common+0x58/0x90
Jul 26 22:42:17 app-server-50 kernel: [581429.467066]  [<ffffffff810aae43>] 
__wake_up_locked+0x13/0x20
Jul 26 22:42:17 app-server-50 kernel: [581429.468014]  [<ffffffff81207e75>] 
SyS_epoll_ctl+0x725/0x9f0
Jul 26 22:42:17 app-server-50 kernel: [581429.468637]  [<ffffffff817363dd>] 
system_call_fastpath+0x1a/0x1f
Jul 26 22:42:17 app-server-50 kernel: [581429.469214] Code: d0 e3 eb 81 8b 40 
18 44 89 ad 4c ff ff ff 89 85 48 ff ff ff e8 88 96 69 00 49 8b 94 24 10 02 00 
00 44 89 e8 48 8b 8a 90 00 00 00 <48> 8b 0c c1 49 89 8c 24 b0 01 00 00 48 8b 92 
88 00 00 00 48 8b
Jul 26 22:42:17 app-server-50 kernel: [581429.471069] RIP  [<ffffffff810988aa>] 
set_task_cpu+0xba/0x1c0
Jul 26 22:42:17 app-server-50 kernel: [581429.471687]  RSP <ffff880009d27d50>
Jul 26 22:42:17 app-server-50 kernel: [581429.472263] CR2: 0000000000000018
Jul 26 22:42:17 app-server-50 kernel: [581429.473819] ---[ end trace 
fe79ad2d0ae4fae3 ]---
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
 
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jul
 26 23:18:37 app-server-50 rsyslogd: [origin software="rsyslogd" 
swVersion="7.4.4" x-pid="597" x-info="http://www.rsyslog.com";] start
Jul 26 23:18:37 app-server-50 rsyslogd: rsyslogd's groupid changed to 104
Jul 26 23:18:37 app-server-50 rsyslogd: rsyslogd's userid changed to 101
Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup subsys 
cpuset
Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup subsys 
cpu
Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup subsys 
cpuacct
Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Linux version 
3.13.0-79-generic (buildd@lcy01-24) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) 
) #123-Ubuntu SMP Fri Feb 19 14:27:58 UTC 2016 (Ubuntu 3.13.0-79.123-generic 
3.13.11-ckt33)
Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Command line: 
BOOT_IMAGE=/vmlinuz-3.13.0-79-generic root=/dev/mapper/sci--ubuntu--vg-root ro
Jul 26 23:18:37 app-server-50 kernel: [    0.000000] KERNEL supported cpus:

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

** Description changed:

- syslog:
- server: app-server-50
- Linux app-server-50 3.13.0-79-generic #123-Ubuntu SMP Fri Feb 19 14:27:58 UTC 
2016 x86_64 x86_64 x86_64 GNU/Linux
- Distributor ID: Ubuntu
- Description:    Ubuntu 14.04.4 LTS
- Release:        14.04
- Codename:       trusty
- -----------------
- 
- 
- 
- Jul 26 22:39:35 app-server-50 postfix/smtpd[10415]: disconnect from 
localhost[127.0.0.1]
  Jul 26 22:42:17 app-server-50 kernel: [581429.462692] BUG: unable to handle 
kernel NULL pointer dereference at 0000000000000018
  Jul 26 22:42:17 app-server-50 kernel: [581429.462763] IP: 
[<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.462791] PGD a9e6c067 PUD 
211c4067 PMD 0
  Jul 26 22:42:17 app-server-50 kernel: [581429.462811] Oops: 0000 [#1] SMP
  Jul 26 22:42:17 app-server-50 kernel: [581429.462826] Modules linked in: 
xt_recent ip6t_REJECT xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT 
xt_LOG xt_lim
  it xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack 
coretemp crct10dif_pclmul crc32_pclmul ip6table_filter vmw_balloon ip6_tables 
nf_conntrack_netbio
  s_ns nf_conntrack_broadcast aesni_intel nf_nat_ftp aes_x86_64 nf_nat lrw 
gf128mul nf_conntrack_ftp nf_conntrack glue_helper ablk_helper iptable_filter 
cryptd serio_raw
  ip_tables x_tables vmwgfx ttm drm i2c_piix4 vmw_vmci shpchp mac_hid lp 
parport psmouse floppy mptspi mptscsih e1000 mptbase pata_acpi
  Jul 26 22:42:17 app-server-50 kernel: [581429.463056] CPU: 2 PID: 11402 Comm: 
icinga2 Not tainted 3.13.0-79-generic #123-Ubuntu
  Jul 26 22:42:17 app-server-50 kernel: [581429.463083] Hardware name: VMware, 
Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 
09/30/2014
  Jul 26 22:42:17 app-server-50 kernel: [581429.463118] task: ffff8801357d3000 
ti: ffff880009d26000 task.ti: ffff880009d26000
  Jul 26 22:42:17 app-server-50 kernel: [581429.463143] RIP: 
0010:[<ffffffff810988aa>]  [<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.463172] RSP: 
0018:ffff880009d27d50  EFLAGS: 00010046
  Jul 26 22:42:17 app-server-50 kernel: [581429.463190] RAX: 0000000000000003 
RBX: ffff880009d27d50 RCX: 0000000000000000
  Jul 26 22:42:17 app-server-50 kernel: [581429.464733] RDX: ffff880068595000 
RSI: 0000000000000000 RDI: ffffffff81ebe3d8
  Jul 26 22:42:17 app-server-50 kernel: [581429.464757] RBP: ffff880009d27e10 
R08: 0000000000000000 R09: 0000000000000004
  Jul 26 22:42:17 app-server-50 kernel: [581429.464779] R10: 0000000000000400 
R11: 0000000000000000 R12: ffff8800b87b4800
  Jul 26 22:42:17 app-server-50 kernel: [581429.464801] R13: 0000000000000003 
R14: 0000000000000004 R15: 0000000000000003
  Jul 26 22:42:17 app-server-50 kernel: [581429.464823] FS:  
00007f9e727e7700(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
  Jul 26 22:42:17 app-server-50 kernel: [581429.464848] CS:  0010 DS: 0000 ES: 
0000 CR0: 0000000080050033
  Jul 26 22:42:17 app-server-50 kernel: [581429.464866] CR2: 0000000000000018 
CR3: 00000000a9fe3000 CR4: 00000000001407e0
  Jul 26 22:42:17 app-server-50 kernel: [581429.464932] Stack:
  Jul 26 22:42:17 app-server-50 kernel: [581429.464941]  ffff8800b87b4800 
0000000300000001 ffff880139438458 ffff880009d27e10
  Jul 26 22:42:17 app-server-50 kernel: [581429.464968]  ffffffff810a018e 
ffff880008ae4008 ffff88006846d300 ffff880009d27e20
  Jul 26 22:42:17 app-server-50 kernel: [581429.464994]  ffffffff8117a872 
0000000000000010 ffff8800a9fda240 ffff8800b942de10
  Jul 26 22:42:17 app-server-50 kernel: [581429.465026] Call Trace:
  Jul 26 22:42:17 app-server-50 kernel: [581429.465040]  [<ffffffff810a018e>] ? 
select_task_rq_fair+0x62e/0x6f0
  Jul 26 22:42:17 app-server-50 kernel: [581429.465064]  [<ffffffff8117a872>] ? 
handle_mm_fault+0x882/0xf10
  Jul 26 22:42:17 app-server-50 kernel: [581429.465085]  [<ffffffff8109a8b6>] 
try_to_wake_up+0x186/0x2c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.465106]  [<ffffffff817319b4>] ? 
__do_page_fault+0x204/0x570
  Jul 26 22:42:17 app-server-50 kernel: [581429.465760]  [<ffffffff8109aa42>] 
default_wake_function+0x12/0x20
  Jul 26 22:42:17 app-server-50 kernel: [581429.466379]  [<ffffffff810aadf8>] 
__wake_up_common+0x58/0x90
  Jul 26 22:42:17 app-server-50 kernel: [581429.467066]  [<ffffffff810aae43>] 
__wake_up_locked+0x13/0x20
  Jul 26 22:42:17 app-server-50 kernel: [581429.468014]  [<ffffffff81207e75>] 
SyS_epoll_ctl+0x725/0x9f0
  Jul 26 22:42:17 app-server-50 kernel: [581429.468637]  [<ffffffff817363dd>] 
system_call_fastpath+0x1a/0x1f
  Jul 26 22:42:17 app-server-50 kernel: [581429.469214] Code: d0 e3 eb 81 8b 40 
18 44 89 ad 4c ff ff ff 89 85 48 ff ff ff e8 88 96 69 00 49 8b 94 24 10 02 00 
00 44 89 e8 48 8b 8a 90 00 00 00 <48> 8b 0c c1 49 89 8c 24 b0 01 00 00 48 8b 92 
88 00 00 00 48 8b
  Jul 26 22:42:17 app-server-50 kernel: [581429.471069] RIP  
[<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.471687]  RSP <ffff880009d27d50>
  Jul 26 22:42:17 app-server-50 kernel: [581429.472263] CR2: 0000000000000018
  Jul 26 22:42:17 app-server-50 kernel: [581429.473819] ---[ end trace 
fe79ad2d0ae4fae3 ]---
- Jul 26 22:46:42 app-server-50 postfix/smtpd[11404]: connect from 
localhost[127.0.0.1]
- Jul 26 22:46:42 app-server-50 postfix/smtpd[11404]: 4FDDC12218E: 
client=localhost[127.0.0.1]
- Jul 26 22:46:42 app-server-50 postfix/cleanup[11407]: 4FDDC12218E: 
message-id=<d6ab279a68eaea6c95fd06909a9b80@app-server-50>
- Jul 26 22:46:42 app-server-50 postfix/qmgr[23468]: 4FDDC12218E: 
from=<nore...@support.com>, size=17382, nrcpt=1 (queue active)
- Jul 26 22:46:42 app-server-50 postfix/smtp[11408]: 4FDDC12218E: 
to=<kimberley.lamb...@support.com>, 
relay=sci-smtp-01.sprt.local[10.12.20.15]:25, delay=0.03, delays=0.01/0/0.01/0, 
dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 54D1720F50)
- Jul 26 22:46:42 app-server-50 postfix/qmgr[23468]: 4FDDC12218E: removed
- Jul 26 22:49:55 app-server-50 postfix/smtpd[11404]: 85CF012218E: 
client=localhost[127.0.0.1]
- Jul 26 22:49:55 app-server-50 postfix/cleanup[11561]: 85CF012218E: 
message-id=<0f15a36adca108e7fbded10edd3f64@app-server-50>
- Jul 26 22:49:55 app-server-50 postfix/qmgr[23468]: 85CF012218E: 
from=<no-re...@upclick.nexus.support.com>, size=918, nrcpt=1 (queue active)
- Jul 26 22:49:55 app-server-50 postfix/smtp[11562]: 85CF012218E: 
to=<loriconne...@gmail.com>, relay=sci-smtp-01.sprt.local[10.12.20.15]:25, 
delay=0.02, delays=0.01/0/0.01/0, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued 
as 894F720F50)
- Jul 26 22:49:55 app-server-50 postfix/qmgr[23468]: 85CF012218E: removed
- Jul 26 22:54:55 app-server-50 postfix/smtpd[11404]: timeout after 
END-OF-MESSAGE from localhost[127.0.0.1]
- Jul 26 22:54:55 app-server-50 postfix/smtpd[11404]: disconnect from 
localhost[127.0.0.1]
  
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
 
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jul
 26 23:18:37 app-server-50 rsyslogd: [origin software="rsyslogd" 
swVersion="7.4.4" x-pid="597" x-info="http://www.rsyslog.com";] start
  Jul 26 23:18:37 app-server-50 rsyslogd: rsyslogd's groupid changed to 104
  Jul 26 23:18:37 app-server-50 rsyslogd: rsyslogd's userid changed to 101
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup 
subsys cpuset
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup 
subsys cpu
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup 
subsys cpuacct
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Linux version 
3.13.0-79-generic (buildd@lcy01-24) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) 
) #123-Ubuntu SMP Fri Feb 19 14:27:58 UTC 2016 (Ubuntu 3.13.0-79.123-generic 
3.13.11-ckt33)
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Command line: 
BOOT_IMAGE=/vmlinuz-3.13.0-79-generic root=/dev/mapper/sci--ubuntu--vg-root ro
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] KERNEL supported cpus:
- 
- ProblemType: Bug
- DistroRelease: Ubuntu 14.04
- Package: linux-image-3.13.0-79-generic 3.13.0-79.123
- ProcVersionSignature: Ubuntu 3.13.0-79.123-generic 3.13.11-ckt33
- Uname: Linux 3.13.0-79-generic x86_64
- AlsaDevices:
-  total 0
-  crw-rw---- 1 root audio 116,  1 Jul 26 23:18 seq
-  crw-rw---- 1 root audio 116, 33 Jul 26 23:18 timer
- AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
- ApportVersion: 2.14.1-0ubuntu3.19
- Architecture: amd64
- ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
- AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
- CRDA: Error: [Errno 2] No such file or directory: 'iw'
- Date: Wed Jul 27 07:09:22 2016
- HibernationDevice: RESUME=/dev/mapper/sci--ubuntu--vg-swap_1
- InstallationDate: Installed on 2015-09-02 (328 days ago)
- InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 
(20140722.3)
- IwConfig:
-  eth0      no wireless extensions.
-  
-  eth1      no wireless extensions.
-  
-  lo        no wireless extensions.
- Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize 
libusb: -99
- MachineType: VMware, Inc. VMware Virtual Platform
- PciMultimedia:
-  
- ProcEnviron:
-  TERM=xterm
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
- ProcFB: 0 svgadrmfb
- ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-79-generic 
root=/dev/mapper/sci--ubuntu--vg-root ro
- RelatedPackageVersions:
-  linux-restricted-modules-3.13.0-79-generic N/A
-  linux-backports-modules-3.13.0-79-generic  N/A
-  linux-firmware                             1.127.20
- RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
- SourcePackage: linux
- UpgradeStatus: No upgrade log present (probably fresh install)
- dmi.bios.date: 09/30/2014
- dmi.bios.vendor: Phoenix Technologies LTD
- dmi.bios.version: 6.00
- dmi.board.name: 440BX Desktop Reference Platform
- dmi.board.vendor: Intel Corporation
- dmi.board.version: None
- dmi.chassis.asset.tag: No Asset Tag
- dmi.chassis.type: 1
- dmi.chassis.vendor: No Enclosure
- dmi.chassis.version: N/A
- dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd09/30/2014:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
- dmi.product.name: VMware Virtual Platform
- dmi.product.version: None
- dmi.sys.vendor: VMware, Inc.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1606795

Title:
  BUG: unable to handle kernel NULL pointer dereference at
  0000000000000018

Status in linux package in Ubuntu:
  New

Bug description:
  Jul 26 22:42:17 app-server-50 kernel: [581429.462692] BUG: unable to handle 
kernel NULL pointer dereference at 0000000000000018
  Jul 26 22:42:17 app-server-50 kernel: [581429.462763] IP: 
[<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.462791] PGD a9e6c067 PUD 
211c4067 PMD 0
  Jul 26 22:42:17 app-server-50 kernel: [581429.462811] Oops: 0000 [#1] SMP
  Jul 26 22:42:17 app-server-50 kernel: [581429.462826] Modules linked in: 
xt_recent ip6t_REJECT xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT 
xt_LOG xt_lim
  it xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack 
coretemp crct10dif_pclmul crc32_pclmul ip6table_filter vmw_balloon ip6_tables 
nf_conntrack_netbio
  s_ns nf_conntrack_broadcast aesni_intel nf_nat_ftp aes_x86_64 nf_nat lrw 
gf128mul nf_conntrack_ftp nf_conntrack glue_helper ablk_helper iptable_filter 
cryptd serio_raw
  ip_tables x_tables vmwgfx ttm drm i2c_piix4 vmw_vmci shpchp mac_hid lp 
parport psmouse floppy mptspi mptscsih e1000 mptbase pata_acpi
  Jul 26 22:42:17 app-server-50 kernel: [581429.463056] CPU: 2 PID: 11402 Comm: 
icinga2 Not tainted 3.13.0-79-generic #123-Ubuntu
  Jul 26 22:42:17 app-server-50 kernel: [581429.463083] Hardware name: VMware, 
Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 
09/30/2014
  Jul 26 22:42:17 app-server-50 kernel: [581429.463118] task: ffff8801357d3000 
ti: ffff880009d26000 task.ti: ffff880009d26000
  Jul 26 22:42:17 app-server-50 kernel: [581429.463143] RIP: 
0010:[<ffffffff810988aa>]  [<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.463172] RSP: 
0018:ffff880009d27d50  EFLAGS: 00010046
  Jul 26 22:42:17 app-server-50 kernel: [581429.463190] RAX: 0000000000000003 
RBX: ffff880009d27d50 RCX: 0000000000000000
  Jul 26 22:42:17 app-server-50 kernel: [581429.464733] RDX: ffff880068595000 
RSI: 0000000000000000 RDI: ffffffff81ebe3d8
  Jul 26 22:42:17 app-server-50 kernel: [581429.464757] RBP: ffff880009d27e10 
R08: 0000000000000000 R09: 0000000000000004
  Jul 26 22:42:17 app-server-50 kernel: [581429.464779] R10: 0000000000000400 
R11: 0000000000000000 R12: ffff8800b87b4800
  Jul 26 22:42:17 app-server-50 kernel: [581429.464801] R13: 0000000000000003 
R14: 0000000000000004 R15: 0000000000000003
  Jul 26 22:42:17 app-server-50 kernel: [581429.464823] FS:  
00007f9e727e7700(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
  Jul 26 22:42:17 app-server-50 kernel: [581429.464848] CS:  0010 DS: 0000 ES: 
0000 CR0: 0000000080050033
  Jul 26 22:42:17 app-server-50 kernel: [581429.464866] CR2: 0000000000000018 
CR3: 00000000a9fe3000 CR4: 00000000001407e0
  Jul 26 22:42:17 app-server-50 kernel: [581429.464932] Stack:
  Jul 26 22:42:17 app-server-50 kernel: [581429.464941]  ffff8800b87b4800 
0000000300000001 ffff880139438458 ffff880009d27e10
  Jul 26 22:42:17 app-server-50 kernel: [581429.464968]  ffffffff810a018e 
ffff880008ae4008 ffff88006846d300 ffff880009d27e20
  Jul 26 22:42:17 app-server-50 kernel: [581429.464994]  ffffffff8117a872 
0000000000000010 ffff8800a9fda240 ffff8800b942de10
  Jul 26 22:42:17 app-server-50 kernel: [581429.465026] Call Trace:
  Jul 26 22:42:17 app-server-50 kernel: [581429.465040]  [<ffffffff810a018e>] ? 
select_task_rq_fair+0x62e/0x6f0
  Jul 26 22:42:17 app-server-50 kernel: [581429.465064]  [<ffffffff8117a872>] ? 
handle_mm_fault+0x882/0xf10
  Jul 26 22:42:17 app-server-50 kernel: [581429.465085]  [<ffffffff8109a8b6>] 
try_to_wake_up+0x186/0x2c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.465106]  [<ffffffff817319b4>] ? 
__do_page_fault+0x204/0x570
  Jul 26 22:42:17 app-server-50 kernel: [581429.465760]  [<ffffffff8109aa42>] 
default_wake_function+0x12/0x20
  Jul 26 22:42:17 app-server-50 kernel: [581429.466379]  [<ffffffff810aadf8>] 
__wake_up_common+0x58/0x90
  Jul 26 22:42:17 app-server-50 kernel: [581429.467066]  [<ffffffff810aae43>] 
__wake_up_locked+0x13/0x20
  Jul 26 22:42:17 app-server-50 kernel: [581429.468014]  [<ffffffff81207e75>] 
SyS_epoll_ctl+0x725/0x9f0
  Jul 26 22:42:17 app-server-50 kernel: [581429.468637]  [<ffffffff817363dd>] 
system_call_fastpath+0x1a/0x1f
  Jul 26 22:42:17 app-server-50 kernel: [581429.469214] Code: d0 e3 eb 81 8b 40 
18 44 89 ad 4c ff ff ff 89 85 48 ff ff ff e8 88 96 69 00 49 8b 94 24 10 02 00 
00 44 89 e8 48 8b 8a 90 00 00 00 <48> 8b 0c c1 49 89 8c 24 b0 01 00 00 48 8b 92 
88 00 00 00 48 8b
  Jul 26 22:42:17 app-server-50 kernel: [581429.471069] RIP  
[<ffffffff810988aa>] set_task_cpu+0xba/0x1c0
  Jul 26 22:42:17 app-server-50 kernel: [581429.471687]  RSP <ffff880009d27d50>
  Jul 26 22:42:17 app-server-50 kernel: [581429.472263] CR2: 0000000000000018
  Jul 26 22:42:17 app-server-50 kernel: [581429.473819] ---[ end trace 
fe79ad2d0ae4fae3 ]---
  
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
 
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jul
 26 23:18:37 app-server-50 rsyslogd: [origin software="rsyslogd" 
swVersion="7.4.4" x-pid="597" x-info="http://www.rsyslog.com";] start
  Jul 26 23:18:37 app-server-50 rsyslogd: rsyslogd's groupid changed to 104
  Jul 26 23:18:37 app-server-50 rsyslogd: rsyslogd's userid changed to 101
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup 
subsys cpuset
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup 
subsys cpu
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Initializing cgroup 
subsys cpuacct
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Linux version 
3.13.0-79-generic (buildd@lcy01-24) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) 
) #123-Ubuntu SMP Fri Feb 19 14:27:58 UTC 2016 (Ubuntu 3.13.0-79.123-generic 
3.13.11-ckt33)
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] Command line: 
BOOT_IMAGE=/vmlinuz-3.13.0-79-generic root=/dev/mapper/sci--ubuntu--vg-root ro
  Jul 26 23:18:37 app-server-50 kernel: [    0.000000] KERNEL supported cpus:

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1606795/+subscriptions

-- 
Mailing list: https://launchpad.net/~kernel-packages
Post to     : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to