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[Launchpad Bug Tracker <1512120@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package thunar - 1.6.11-0ubuntu0.16.04.1

---------------
thunar (1.6.11-0ubuntu0.16.04.1) xenial; urgency=medium

  * No change backport to xenial
    - Fixes crash on move and rename (LP: #1512120)

 -- Sean Davis <smd.seandavis@xxxxxxxxx>  Tue, 21 Feb 2017 20:38:10
-0500

** Changed in: thunar (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1512120

Title:
  [SRU] thunar crashes on file renaming

Status in thunar:
  Fix Released
Status in thunar package in Ubuntu:
  Fix Released
Status in thunar source package in Xenial:
  Fix Released
Status in thunar source package in Yakkety:
  Fix Released
Status in thunar source package in Zesty:
  Fix Released

Bug description:
  [Impact] 
   * Thunar crashes frequently when renaming files.
   * All open Thunar windows are closed, disrupting a user's workflow.
   * There have been several patches addressing this issue since the bug 
     was originally reported, and numerous users are now reporting that 
     the issue is resolved.

  [Test Case]
   * Backup the file you will be testing to a different location.
   * Rename or move a file several times. When present, the bug may cause
     Thunar to crash on the first rename or after several.

  [Regression Potential] 
   * The patches have not been tested in all possible configurations,
     and could result in unexpected behavior (possibly additional crashing).
   * However, with the frequency that this bug crashes Thunar with the
     existing package, any reduction in the number of crashes are welcome.
   * Since Thunar is a file manager, there is a risk of data loss when
     testing this bug and potentially instigating a crash.

  [Original Report]
  When renaming files in a folder while re-sorting similarly named files, thunar crashes fairly often. Apport does not detect the crashes.

  Running thunar in valgrind produces these log entries in the moment of
  the crash:

  ==28859== Thread 1:
  ==28859== Invalid read of size 1
  ==28859==    at 0x04c2ffd3: strcmp (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==28859==    by 0x0014590c: thunar_file_compare_by_name (within /usr/bin/thunar)
  ==28859==    by 0x00153e3d: thunar_list_model_cmp_func (within /usr/bin/thunar)
  ==28859==    by 0x07e4da23: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4600.1)
  ==28859==    Address 0x0 is not stack'd, malloc'd or (recently) free'd
  ==28859==
  ==28859== Process terminating with default action of signal 11 (SIGSEGV)
  ==28859== Access not within mapped region at address 0x0
  ==28859==    at 0x04c2ffd3: strcmp (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==28859==    by 0x0014590c: thunar_file_compare_by_name (within /usr/bin/thunar)
  ==28859==    by 0x00153e3d: thunar_list_model_cmp_func (within /usr/bin/thunar)
  ==28859==    by 0x07e4da23: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4600.1)
  ==28859==    If you believe this happened as a result of a stack
  ==28859==    overflow in your program's main thread (unlikely but
  ==28859==    possible), you can try to increase the size of the
  ==28859==    main thread stack using the --main-stacksize= flag.
  ==28859==    The main thread stack size used in this run was 8388608.
  ==28859==
  ==28859== HEAP SUMMARY:
  ==28859== in use at exit: 11,169,056 bytes in 101,668 blocks
  ==28859== total heap usage: 8,917,549 allocs, 8,815,881 frees, 736,520,410 bytes allocated
  ==28859==
  ==28859== For counts of detected and suppressed errors, rerun with: -v
  ==28859== Use --track-origins=yes to see where uninitialised values come from
  ==28859== ERROR SUMMARY: 1046 errors from 45 contexts (suppressed: 0 from 0)
  ==28859==

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: thunar 1.6.10-1
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sun Nov  1 18:57:09 2015
  InstallationDate: Installed on 2015-02-05 (268 days ago)
  InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150205)
  SourcePackage: thunar
  UpgradeStatus: Upgraded to wily on 2015-05-28 (156 days ago)

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