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[Bug 1495129] [NEW] mythfrontend.real crashed with SIGSEGV in QString::compare()

To: mythbuntu-bugs@xxxxxxxxxxxxxxxxxxx
From: David Newman <1495129@xxxxxxxxxxxxxxxxxx>
Date: Sat, 12 Sep 2015 18:15:04 -0000
Reply-to: Bug 1495129 <1495129@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

When entering a list of all new titles, before picking ones to schedule,
it went into an infinite loop.

30 seconds After hitting ESC mythfrontend.real crashed

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: mythtv-frontend 2:0.27.5+fixes.20150910.e9b577d-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.27]
ProcVersionSignature: Ubuntu 3.19.0-28.30-lowlatency 3.19.8-ckt5
Uname: Linux 3.19.0-28-lowlatency x86_64
NonfreeKernelModules: nvidia tbs62x1fe tbs6982fe tbs6680fe tbs6923fe tbs6985se tbs6928se tbs6982se tbs6991fe tbs6618fe tbs6983fe tbs6922fe tbs6928fe tbs6991se tbs6290fe
.var.log.mythtv.mythavtest.log:
 
.var.log.mythtv.mythccextractor.log:
 
.var.log.mythtv.mythfilldatabase.log:
 
.var.log.mythtv.mythjobqueue.log:
 
.var.log.mythtv.mythlcdserver.log:
 
.var.log.mythtv.mythmediaserver.log:
 
.var.log.mythtv.mythshutdown.log:
 
.var.log.mythtv.mythutil.log:
 
.var.log.mythtv.mythwelcome.log:
 
ApportVersion: 2.17.2-0ubuntu1.4
Architecture: amd64
CrashDB: mythbuntu
CurrentDesktop: KDE
Date: Sat Sep 12 18:43:09 2015
ExecutablePath: /usr/bin/mythfrontend.real
InstallationDate: Installed on 2012-09-15 (1092 days ago)
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
Installed_mythtv_dbg: 2:0.27.5+fixes.20150910.e9b577d-0ubuntu0mythbuntu2
ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
ProcEnviron:
 LANGUAGE=en_GB
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f9d3e8e391b <QString::compare(QString const&, Qt::CaseSensitivity) const+11>:	mov    0x10(%rcx),%rdx
 PC (0x7f9d3e8e391b) ok
 source "0x10(%rcx)" (0x00000161) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 QString::compare (this=0x7f9c3c0902c8, other=..., cs=Qt::CaseInsensitive) at tools/qstring.cpp:4700
 ProgramInfo::IsSameTimeslot (this=0x7f9c3c0902c0, other=...) at programinfo.cpp:2079
 ProgramInfo::ProgramInfo (this=0x7f9c3c0902c0, _title=..., _subtitle=..., _description=..., _syndicatedepisode=..., _category=..., _chanid=2110, _channum=..., _chansign=..., _channame=..., _chanplaybackfilters=..., _startts=..., _endts=..., _recstartts=..., _recendts=..., _seriesid=..., _programid=..., _catType=ProgramInfo::kCategorySeries, _stars=0, _year=2015, _partnumber=0, _parttotal=0, _originalAirDate=..., _recstatus=rsUnknown, _recordid=0, _rectype=kNotRecording, _findid=0, commfree=false, repeat=true, _videoproperties=0, _audioproperties=0, _subtitleType=2, schedList=...) at programinfo.cpp:669
 LoadFromProgram (destination=..., sql=..., bindings=..., schedList=...) at programinfo.cpp:5079
 ProgLister::FillItemList (this=0x3ac5b00, restorePosition=false, updateDisp=false) at proglist.cpp:1425
Title: mythfrontend.real crashed with SIGSEGV in QString::compare()
UpgradeStatus: Upgraded to vivid on 2015-06-01 (103 days ago)
UserGroups: adm cdrom dip libvirtd lp lpadmin mythtv plugdev sambashare scanner sudo vboxusers video
XsessionErrors: (process:19092): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
modified.conffile..etc.logrotate.d.mythtv.frontend: [modified]
mtime.conffile..etc.logrotate.d.mythtv.frontend: 2014-09-19T14:11:34.768927

** Affects: mythbuntu
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash need-amd64-retrace third-party-packages vivid

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1495129

Title:
  mythfrontend.real crashed with SIGSEGV in QString::compare()

Status in Mythbuntu:
  New

Bug description:
  When entering a list of all new titles, before picking ones to
  schedule, it went into an infinite loop.

  30 seconds After hitting ESC mythfrontend.real crashed

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: mythtv-frontend 2:0.27.5+fixes.20150910.e9b577d-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.27]
  ProcVersionSignature: Ubuntu 3.19.0-28.30-lowlatency 3.19.8-ckt5
  Uname: Linux 3.19.0-28-lowlatency x86_64
  NonfreeKernelModules: nvidia tbs62x1fe tbs6982fe tbs6680fe tbs6923fe tbs6985se tbs6928se tbs6982se tbs6991fe tbs6618fe tbs6983fe tbs6922fe tbs6928fe tbs6991se tbs6290fe
  .var.log.mythtv.mythavtest.log:
   
  .var.log.mythtv.mythccextractor.log:
   
  .var.log.mythtv.mythfilldatabase.log:
   
  .var.log.mythtv.mythjobqueue.log:
   
  .var.log.mythtv.mythlcdserver.log:
   
  .var.log.mythtv.mythmediaserver.log:
   
  .var.log.mythtv.mythshutdown.log:
   
  .var.log.mythtv.mythutil.log:
   
  .var.log.mythtv.mythwelcome.log:
   
  ApportVersion: 2.17.2-0ubuntu1.4
  Architecture: amd64
  CrashDB: mythbuntu
  CurrentDesktop: KDE
  Date: Sat Sep 12 18:43:09 2015
  ExecutablePath: /usr/bin/mythfrontend.real
  InstallationDate: Installed on 2012-09-15 (1092 days ago)
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  Installed_mythtv_dbg: 2:0.27.5+fixes.20150910.e9b577d-0ubuntu0mythbuntu2
  ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
  ProcEnviron:
   LANGUAGE=en_GB
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f9d3e8e391b <QString::compare(QString const&, Qt::CaseSensitivity) const+11>:	mov    0x10(%rcx),%rdx
   PC (0x7f9d3e8e391b) ok
   source "0x10(%rcx)" (0x00000161) not located in a known VMA region (needed readable region)!
   destination "%rdx" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   QString::compare (this=0x7f9c3c0902c8, other=..., cs=Qt::CaseInsensitive) at tools/qstring.cpp:4700
   ProgramInfo::IsSameTimeslot (this=0x7f9c3c0902c0, other=...) at programinfo.cpp:2079
   ProgramInfo::ProgramInfo (this=0x7f9c3c0902c0, _title=..., _subtitle=..., _description=..., _syndicatedepisode=..., _category=..., _chanid=2110, _channum=..., _chansign=..., _channame=..., _chanplaybackfilters=..., _startts=..., _endts=..., _recstartts=..., _recendts=..., _seriesid=..., _programid=..., _catType=ProgramInfo::kCategorySeries, _stars=0, _year=2015, _partnumber=0, _parttotal=0, _originalAirDate=..., _recstatus=rsUnknown, _recordid=0, _rectype=kNotRecording, _findid=0, commfree=false, repeat=true, _videoproperties=0, _audioproperties=0, _subtitleType=2, schedList=...) at programinfo.cpp:669
   LoadFromProgram (destination=..., sql=..., bindings=..., schedList=...) at programinfo.cpp:5079
   ProgLister::FillItemList (this=0x3ac5b00, restorePosition=false, updateDisp=false) at proglist.cpp:1425
  Title: mythfrontend.real crashed with SIGSEGV in QString::compare()
  UpgradeStatus: Upgraded to vivid on 2015-06-01 (103 days ago)
  UserGroups: adm cdrom dip libvirtd lp lpadmin mythtv plugdev sambashare scanner sudo vboxusers video
  XsessionErrors: (process:19092): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
  modified.conffile..etc.logrotate.d.mythtv.frontend: [modified]
  mtime.conffile..etc.logrotate.d.mythtv.frontend: 2014-09-19T14:11:34.768927

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