dasher crashed with SIGSEGV in Dasher::CDasherModel::DeleteCharacters()

[Alan Bell]

Binary package hint: dasher

dasher was launched in direct mode with the command line flag "-a direct" this allows it to type characters into other applications. I have not observed this crash when not in direct mode.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: dasher 4.10.1-2
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Thu May 27 22:20:17 2010
ExecutablePath: /usr/bin/dasher
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcCmdline: dasher -a direct
ProcCwd: /home/alan
ProcEnviron:
 LANG=en_GB.utf8
 SHELL=/bin/bash
Signal: 11
SourcePackage: dasher
StacktraceTop:
 Dasher::CDasherModel::DeleteCharacters(Dasher::CDasherNode*, Dasher::CDasherNode*, int*) ()
 Dasher::CDasherModel::HandleOutput(Dasher::CDasherNode*, Dasher::CDasherNode*, std::vector<Dasher::SymbolProb, std::allocator<Dasher::SymbolProb> >*, int*) ()
 Dasher::CDasherModel::UpdatePosition(long long, long long, unsigned long, std::vector<Dasher::SymbolProb, std::allocator<Dasher::SymbolProb> >*, int*) ()
 CDefaultFilter::Timer(int, Dasher::CDasherView*, Dasher::CDasherModel*, std::vector<Dasher::SymbolProb, std::allocator<Dasher::SymbolProb> >*, int*) ()
 Dasher::CDasherInterfaceBase::NewFrame(unsigned long, bool) ()
Title: dasher crashed with SIGSEGV in Dasher::CDasherModel::DeleteCharacters()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Charlie Kravetz (cjkgeek)]

Thank you for submitting this report. Bugs with a core dump should stay private. After the apport-team completes their work, the bug is reviewed for private data and, normally, the core dump is removed.

[Apport retracing service (apport)]

StacktraceTop:
 Dasher::CDasherModel::DeleteCharacters (
 Dasher::CDasherModel::HandleOutput (this=0x217a950,
 Dasher::CDasherModel::UpdatePosition (
 CDefaultFilter::Timer (this=0x16cddf0, Time=20,
 Dasher::CDasherInterfaceBase::NewFrame (

[Charlie Kravetz (cjkgeek)]

Thanks for reporting this bug and any supporting documentation. Since this bug has enough information provided for a developer to begin work, I'm going to mark it as confirmed and let them handle it from here. Thanks for taking the time to make Ubuntu better!

[Alan Bell (alanbell)]

looking at the version of Dasher in Maverick, the DeleteCharacters function no longer appears in DasherModel.cpp, that area has been rewritten somewhat. I am unable to make it crash in direct mode in Maverick which is great.

[Alan Bell (alanbell)]

oops, sorry about the nominate for Maverick bit. It is fix released in Maverick, would be nice to have it fixed in Lucid.

[Rolf Leggewie (r0lf)]

lucid has seen the end of its life and is no longer receiving any updates. Marking the lucid task for this ticket as "Won't Fix".