devhelp crashed with SIGSEGV in dh_globbed_keywords_new()

[David Baucum]

Was viewing the help for the Glade 3.10.2 designer and it crashed.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: devhelp 3.3.3-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-11.19-generic-pae 3.2.1
Uname: Linux 3.2.0-11-generic-pae i686
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Fri Jan 27 19:52:30 2012
ExecutablePath: /usr/bin/devhelp
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
ProcCmdline: devhelp -s book:gladeui
SegvAnalysis:
 Segfault happened at: 0xb70489f1: mov (%edi),%eax
 PC (0xb70489f1) ok
 source "(%edi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: devhelp
StacktraceTop:
 ?? () from /usr/lib/libdevhelp-3.so.0
 dh_keyword_model_filter () from /usr/lib/libdevhelp-3.so.0
 ?? () from /usr/lib/libdevhelp-3.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: devhelp crashed with SIGSEGV in dh_keyword_model_filter()
UpgradeStatus: Upgraded to precise on 2012-01-13 (14 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 dh_globbed_keywords_new (keywords=0x0) at dh-keyword-model.c:365
 keyword_model_search_books (model=<optimized out>, string=0x9ac3510 "book:gladeui", keywords=0x0, book_id=0x9749920 "gladeui", page_id=0x0, language=0x0, case_sensitive=0, prefix=1, max_hits=100, n_hits=0xbfc88a9c, exact_link=0xbfc88a98) at dh-keyword-model.c:448
 keyword_model_search (exact_link=0xbfc88a98, case_sensitive=0, language=0x0, page_id=0x0, book_id=0x9749920 "gladeui", keywords=0x0, string=0x9ac3510 "book:gladeui", model=0x9b62f20) at dh-keyword-model.c:624
 dh_keyword_model_filter (model=0x9b62f20, string=0x9ac3510 "book:gladeui", book_id=0x9749920 "gladeui", language=0x0) at dh-keyword-model.c:811
 search_filter_idle (search=0x9aaae50) at dh-search.c:426

[Robert Roth (evfool)]

Easy to reproduce: Open Glade, add a toplevel Window, and click the devhelp button from the bottom right corner, and the application will crash with this stacktrace.

[Vadim Rutkovsky (roignac)]

Thank you for your bug report. This bug has been reported to the developers of the software. You can track it and make comments at https://bugzilla.gnome.org/show_bug.cgi?id=671397

[Vibhav Pant (vibhavp)]

FIxed in Ubuntu 12.04