Bug#378753: tetex-bin: texshow sometimes segfaults

[Frank Küster <frank@debian.org>]

Helge Kreutzmann <debian@helgefjell.de> wrote:

> A few moments ago I found "texshow" in the help section of my window
> manager and wanted to try it out, which did not produce any screen
> output (i.e. no window appeared). Subsequent search turned out, that
> the menu entry calls
> /usr/bin/texshow
[...]
> I tried to figure out a pattern when it starts and when it does not,
> but failed.  The point of the memory corruption varies from call to
> call, btw.:
> *** glibc detected *** malloc(): memory corruption: 0x0000000000f7cfa0 ***
> *** glibc detected *** malloc(): memory corruption: 0x0000000000f7fb90 ***
> *** glibc detected *** malloc(): memory corruption: 0x0000000000f77ba0 ***
[...]
> Please tell me what else to try to narrow this down. 
>
> Could this be related to me using grsec? 
[...]
> Versions of packages tetex-bin recommends:
> ii  libxml-parser-perl           2.34-4      Perl module for parsing XML files
> ii  perl-tk                      1:804.027-5 Perl module providing the Tk graph

I have no experience with grsec.  Could you try whether other
applications that use Perl-TK show similar behavior?  From tetex-bin,
you could try texfind and texdoctk, but of course there are lots of
others. 

Regards, Frank
-- 
Frank Küster
Single Molecule Spectroscopy, Protein Folding @ Inst. f. Biochemie, Univ. Zürich
Debian Developer (teTeX/TeXLive)