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[Rene Balser <openID@xxxxxxxxxx>]

*** This bug is a security vulnerability ***

Private security bug reported:

mythcommflag crashed with SIGSEGV in MPV_decode_mb()

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: mythtv-backend 2:0.25.3+fixes.20130704.3a1eff8-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.25]
ProcVersionSignature: Ubuntu 3.2.0-51.77-generic 3.2.48
Uname: Linux 3.2.0-51-generic x86_64
NonfreeKernelModules: nvidia
.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: 2.0.1-0ubuntu17.3
Architecture: amd64
CrashCounter: 1
CrashDB: mythbuntu
Date: Wed Jul 24 11:23:28 2013
ExecutablePath: /usr/bin/mythcommflag
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
Installed_mythtv_dbg: 0.0
MarkForUpload: True
ProcCmdline: /usr/bin/mythcommflag -j 13042 --noprogress --verbose general --loglevel info --syslog local7
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f2b6a06a61a:	movdqu (%rsi),%xmm0
 PC (0x7f2b6a06a61a) ok
 source "(%rsi)" (0x7f2b48550638) in non-readable VMA region: 0x7f2b4848a000-0x7f2b4c000000 ---p None
 destination "%xmm0" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading VMA None
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 ?? () from /usr/lib/libmythavcodec.so.52
 ?? () from /usr/lib/libmythavcodec.so.52
 ?? () from /usr/lib/libmythavcodec.so.52
 MPV_decode_mb () from /usr/lib/libmythavcodec.so.52
 ?? () from /usr/lib/libmythavcodec.so.52
Title: mythcommflag crashed with SIGSEGV in MPV_decode_mb()
UpgradeStatus: Upgraded to precise on 2012-08-16 (349 days ago)
UserGroups: audio cdrom dialout video

** Affects: mythbuntu
     Importance: Undecided
         Status: New


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

** Information type changed from Private to Private Security

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https://bugs.launchpad.net/bugs/1206938

Title:
  mythcommflag crashed with SIGSEGV in MPV_decode_mb()

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  New

Bug description:
  mythcommflag crashed with SIGSEGV in MPV_decode_mb()

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-backend 2:0.25.3+fixes.20130704.3a1eff8-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.25]
  ProcVersionSignature: Ubuntu 3.2.0-51.77-generic 3.2.48
  Uname: Linux 3.2.0-51-generic x86_64
  NonfreeKernelModules: nvidia
  .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: 2.0.1-0ubuntu17.3
  Architecture: amd64
  CrashCounter: 1
  CrashDB: mythbuntu
  Date: Wed Jul 24 11:23:28 2013
  ExecutablePath: /usr/bin/mythcommflag
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  Installed_mythtv_dbg: 0.0
  MarkForUpload: True
  ProcCmdline: /usr/bin/mythcommflag -j 13042 --noprogress --verbose general --loglevel info --syslog local7
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
  SegvAnalysis:
   Segfault happened at: 0x7f2b6a06a61a:	movdqu (%rsi),%xmm0
   PC (0x7f2b6a06a61a) ok
   source "(%rsi)" (0x7f2b48550638) in non-readable VMA region: 0x7f2b4848a000-0x7f2b4c000000 ---p None
   destination "%xmm0" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading VMA None
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   ?? () from /usr/lib/libmythavcodec.so.52
   ?? () from /usr/lib/libmythavcodec.so.52
   ?? () from /usr/lib/libmythavcodec.so.52
   MPV_decode_mb () from /usr/lib/libmythavcodec.so.52
   ?? () from /usr/lib/libmythavcodec.so.52
  Title: mythcommflag crashed with SIGSEGV in MPV_decode_mb()
  UpgradeStatus: Upgraded to precise on 2012-08-16 (349 days ago)
  UserGroups: audio cdrom dialout video

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