gthumb crashed with SIGSEGV in gth_file_data_set_info()

[Václav Haisman]

It crashed on its startup.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: gthumb 3:3.3.1.is.3.2.8-0ubuntu1build1
ProcVersionSignature: Ubuntu 3.16.0-28.38-lowlatency 3.16.7-ckt1
Uname: Linux 3.16.0-28-lowlatency x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
Date: Thu Jan 1 20:41:18 2015
ExecutablePath: /usr/bin/gthumb
InstallationDate: Installed on 2011-11-13 (1145 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: gthumb /home/username/Pictures/2011-11-02/IMG_2183.JPG.jpg
SegvAnalysis:
 Segfault happened at: 0x7fc8beca0ab9 <gth_file_data_set_info+25>: mov 0x20(%rbp),%rdi
 PC (0x7fc8beca0ab9) ok
 source "0x20(%rbp)" (0x00000020) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gthumb
StacktraceTop:
 gth_file_data_set_info ()
 ?? ()
 ?? ()
 ?? ()
 g_simple_async_result_complete (simple=0x7fc8bfd1d570) at /build/buildd/glib2.0-2.42.1/./gio/gsimpleasyncresult.c:763
Title: gthumb crashed with SIGSEGV in gth_file_data_set_info()
UpgradeStatus: Upgraded to utopic on 2014-10-25 (68 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lp lpadmin mythtv netdev plugdev sambashare scanner tape vboxusers video wireshark

[Apport retracing service (apport)]

StacktraceTop:
 gth_file_data_set_info (self=0x0, info=0x7fc8ac04ed50) at gth-file-data.c:180
 requested_folder_attributes_ready_cb (file_source=<optimized out>, error=<optimized out>, user_data=0x7fc8bfc4ee10) at gth-browser.c:1587
 read_metadata_info_ready_cb (files=<optimized out>, error=<optimized out>, user_data=0x7fc8bfcd4e30) at gth-file-source.c:719
 qam_metadata_ready_cb (source_object=<optimized out>, result=<optimized out>, user_data=0x7fc8bfe1df00) at gth-metadata-provider.c:422
 g_simple_async_result_complete (simple=0x7fc8bfd1d570) at /build/buildd/glib2.0-2.42.1/./gio/gsimpleasyncresult.c:763

[Václav Haisman (vzeman79)]

I have created a patch that could (untested) prevent this crash. See https://github.com/wilx/gthumb/commit/f301c5b09e6e116aa8425db6301b7d98b084d6b0.

[Václav Haisman (vzeman79)]

Also, this seems to be already known but unfixed issue: https://bugzilla.redhat.com/attachment.cgi?id=426366