Fixed in simple-scan 3.4.3, 3.5.90

** Also affects: simple-scan
   Importance: Undecided
       Status: New

** Changed in: simple-scan
   Importance: Undecided => Medium

** Changed in: simple-scan
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1022040

Title:
  simple-scan crashed with SIGSEGV in pixman_op()

Status in Simple Scan:
  Fix Released
Status in “simple-scan” package in Ubuntu:
  Fix Committed

Bug description:
  After scanning a few pages (document b/w mode), and pressing Ctrl+1,
  simple-scan often crashes before the scanner starts working.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: simple-scan 3.5.3-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-3.3-generic 3.5.0-rc5
  Uname: Linux 3.5.0-3-generic x86_64
  ApportVersion: 2.2.5-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Jul  7 12:18:26 2012
  DriverPackageVersions:
   libsane 1.0.22-7ubuntu1
   libsane-extras N/A
   hplip N/A
   hpoj N/A
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/simple-scan
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831)
  MachineType: LENOVO 3323REG
  ProcCmdline: simple-scan
  ProcEnviron:
   PATH=(custom, user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-3-generic 
root=UUID=fa1d6c27-516b-4c5a-b84a-c944c4a2c61a ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f7f84374dbf:        add    %rbp,0x8(%rax)
   PC (0x7f7f84374dbf) ok
   source "%rbp" ok
   destination "0x8(%rax)" (0x7f7f8439c9d8) in non-writable VMA region: 
0x7f7f8432a000-0x7f7f843aa000 r-xp 
/usr/lib/x86_64-linux-gnu/libpixman-1.so.0.26.0
   Stack memory exhausted (SP below stack segment)
  SegvReason: writing VMA /usr/lib/x86_64-linux-gnu/libpixman-1.so.0.26.0
  Signal: 11
  SourcePackage: simple-scan
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
   pixman_region32_union () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
   cairo_region_union () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
   impl_window_add_update_area (region=0x7f7f64072170, impl_window=0x27645a0) 
at /build/buildd/gtk+3.0-3.5.6/./gdk/gdkwindow.c:4362
   gdk_window_invalidate_maybe_recurse_full (user_data=<optimized out>, 
child_func=<optimized out>, clear_bg=<optimized out>, region=0x7f7f64071170, 
window=0x27645a0) at /build/buildd/gtk+3.0-3.5.6/./gdk/gdkwindow.c:4469
  Title: simple-scan crashed with SIGSEGV in pixman_region32_union()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 06/07/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6QET46WW (1.16 )
  dmi.board.name: 3323REG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr6QET46WW(1.16):bd06/07/2010:svnLENOVO:pn3323REG:pvrThinkPadX201:rvnLENOVO:rn3323REG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 3323REG
  dmi.product.version: ThinkPad X201
  dmi.sys.vendor: LENOVO

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