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[Bill Filler <1368492@xxxxxxxxxxxxxxxxxx>]

It still crashes on the latest rtm-proposed image (59) on krillin.
libthumbnailer0:armhf  1.2+14.10.20140916~rtm-0ubuntu1

It's very easy to reproduce. 
Load up your gallery with a bunch of photos.
Open gallery
While you see thumbnails loading (i.e. spinners everywhere), as soon as one thumbnail becomes visible click on it to open, and bang it crashes. Looks to be the same dump as the previous crashes. The issue seems to happen when you try to open a thumbnail while others are loading possibly.

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
Core was generated by `./gallery-app'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xb5b9201c in std::string::assign(std::string const&) ()
   from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
(gdb) bt
#0  0xb5b9201c in std::string::assign(std::string const&) ()
   from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#1  0xad914ac6 in ?? () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
#2  0xad91506e in ?? () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
#3  0xad9165b6 in Thumbnailer::get_thumbnail(std::string const&, ThumbnailSize, ThumbnailPolicy) () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
#4  0xad916736 in Thumbnailer::get_thumbnail(std::string const&, ThumbnailSize)
    () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
#5  0xacf9b466 in ThumbnailGenerator::requestImage(QString const&, QSize*, QSize const&) ()
   from /usr/lib/arm-linux-gnueabihf/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#6  0xb647acfa in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) 


** Changed in: thumbnailer (Ubuntu)
       Status: Incomplete => Confirmed

** Changed in: thumbnailer (Ubuntu)
   Importance: High => Critical

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https://bugs.launchpad.net/bugs/1368492

Title:
  crash opening image file

Status in “thumbnailer” package in Ubuntu:
  Confirmed

Bug description:
  krillin image 25
  libthumbailer version 1.2+14.10.20140814-0ubuntu1

  - take a picture with the camera
  - open the gallery app
  - click on the thumbnail of the photo just taken
  - boom, crash happens

  Here is the stack trace. Core file and picture used are attached

  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
  Core was generated by `./gallery-app'.
  Program terminated with signal SIGSEGV, Segmentation fault.
  #0  0xb5b2201c in std::string::assign(std::string const&) ()
     from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
  (gdb) bt
  #0  0xb5b2201c in std::string::assign(std::string const&) ()
     from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
  #1  0xacebe712 in ?? () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
  #2  0xacebec62 in ?? () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
  #3  0xacebff34 in Thumbnailer::get_thumbnail(std::string const&, ThumbnailSize, ThumbnailPolicy) () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
  #4  0xacec00ae in Thumbnailer::get_thumbnail(std::string const&, ThumbnailSize)
      () from /usr/lib/arm-linux-gnueabihf/libthumbnailer.so.0
  #5  0xacf7b70e in ThumbnailGenerator::requestImage(QString const&, QSize*, QSize const&) ()
     from /usr/lib/arm-linux-gnueabihf/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
  #6  0xb640acfa in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
  Backtrace stopped: previous frame identical to this frame (corrupt stack?)

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