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[Launchpad Bug Tracker <726220@xxxxxxxxxxxxxxxxxx>]

[Expired for poppler (Ubuntu) because there has been no activity for 60
days.]

** Changed in: poppler (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/726220

Title:
  evince crashed with SIGSEGV in CairoOutputDev::setSoftMask()

Status in “poppler” package in Ubuntu:
  Expired

Bug description:
  
  evince crashes with the following backtrace after an out of bounds read.

  #0  0x1a65e1e0 in CairoOutputDev::setSoftMask (this=0x218ada00, 
      state=0x21944958, bbox=0xb307c5b8, alpha=false, transferFunc=0x0, 
      backdropColor=0xb307c664) at CairoOutputDev.cc:1258
  #1  0x129b0e62 in Gfx::doForm1 (this=0x2193a800, str=0xb307c748, 
      resDict=0x2187a530, matrix=0xb307c588, bbox=0xb307c5b8, transpGroup=true, 
      softMask=true, blendingColorSpace=0x0, isolated=true, knockout=false, 
      alpha=false, transferFunc=0x0, backdropColor=0xb307c664) at Gfx.cc:4557
  #2  0x129b5b95 in Gfx::doSoftMask (this=0x2193a800, str=0xb307c748, 
      alpha=false, blendingColorSpace=0x0, isolated=true, knockout=false, 
      transferFunc=0x0, backdropColor=0xb307c664) at Gfx.cc:1299
  #3  0x129b6f32 in Gfx::opSetExtGState (this=0x2193a800, args=0xb307c824, 
      numArgs=1) at Gfx.cc:1143
  #4  0x129a9ae6 in Gfx::execOp (this=0x2193a800, cmd=0xb307c9c4, 
      args=0xb307c824, numArgs=1) at Gfx.cc:851
  #5  0x129b03e8 in Gfx::go (this=0x2193a800, topLevel=false) at Gfx.cc:711
  #6  0x129b08f7 in Gfx::display (this=0x2193a800, obj=0xb307cc44, 
      topLevel=false) at Gfx.cc:678
  #7  0x129b0cd7 in Gfx::doForm1 (this=0x2193a800, str=0xb307cc44, 
      resDict=0x2192d788, matrix=0xb307cb38, bbox=0xb307cb68, transpGroup=true, 
      softMask=false, blendingColorSpace=0x0, isolated=false, knockout=false, 
      alpha=false, transferFunc=0x0, backdropColor=0x0) at Gfx.cc:4525
  #8  0x129b1df0 in Gfx::doForm (this=0x2193a800, str=0xb307cc44) at Gfx.cc:4451
  #9  0x129b4672 in Gfx::opXObject (this=0x2193a800, args=0xb307cd04, numArgs=1)

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: evince 2.32.0-0ubuntu10
  ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
  Uname: Linux 2.6.38-1-generic i686
  Architecture: i386
  Date: Sun Feb 27 22:30:44 2011
  ExecutablePath: /usr/bin/evince
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
  ProcCmdline: evince sample1.pdf
  ProcCmdline_: BOOT_IMAGE=/boot/vmlinuz-2.6.38-1-generic root=UUID=685c390c-d932-48a1-82ae-2f0b27682162 ro quiet splash vt.handoff=7
  ProcEnviron:
   SHELL=/bin/bash
   LC_MESSAGES=en_US.utf8
   LANG=en_US.UTF-8
   LANGUAGE=en_US:en
  ProcVersionSignature_: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
  SegvAnalysis:
   Segfault happened at: 0x83fb1e0 <CairoOutputDev::setSoftMask(GfxState*, double*, GBool, Function*, GfxColor*)+464>:	mov    (%eax),%ecx
   PC (0x083fb1e0) ok
   source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%ecx" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: evince
  StacktraceTop:
   CairoOutputDev::setSoftMask (this=0x228d4800, state=0x22986ff8, bbox=0xb31a45b8, alpha=false, transferFunc=0x0, backdropColor=0xb31a4664) at CairoOutputDev.cc:1258
   Gfx::doForm1 (this=0x22959b60, str=0xb31a4748, resDict=0x2295ad08, matrix=0xb31a4588, bbox=0xb31a45b8, transpGroup=true, softMask=true, blendingColorSpace=0x0, isolated=true, knockout=false, alpha=false, transferFunc=0x0, backdropColor=0xb31a4664) at Gfx.cc:4557
   Gfx::doSoftMask (this=0x22959b60, str=0xb31a4748, alpha=false, blendingColorSpace=0x0, isolated=true, knockout=false, transferFunc=0x0, backdropColor=0xb31a4664) at Gfx.cc:1299
   Gfx::opSetExtGState (this=0x22959b60, args=0xb31a4824, numArgs=1) at Gfx.cc:1143
   Gfx::execOp (this=0x22959b60, cmd=0xb31a49c4, args=0xb31a4824, numArgs=1) at Gfx.cc:851
  Title: evince crashed with SIGSEGV in CairoOutputDev::setSoftMask()
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  XsessionErrors: (nautilus:1366): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed

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