This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1606795
Title:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000018
Status in linux package in Ubuntu:
Confirmed
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 ]---
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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:
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