[Dev-luatex] luazip core dump

Taco Hoekwater taco at elvenkind.com
Mon May 26 09:42:43 CEST 2014


Hi Reinhard,

Thanks. Tracker at http://tracker.luatex.org/view.php?id=899

Best wishes,
Taco

On 24 May 2014, at 19:54, Reinhard Kotucha <reinhard.kotucha at web.de> wrote:

> Hi,
> the script below crashes when the zip file contains at least two
> files.
> 
> *** glibc detected *** texlua: double free or corruption (!prev): 0x00000000027d10e0 ***
> ======= Backtrace: =========
> /lib64/libc.so.6(+0x79cf5)[0x7f7a57302cf5]
> texlua[0x78314f]
> texlua[0x612481]
> 
> 
> This happens if opened files in the archive are not closed before the
> next one is opened.
> 
> The crash happens at the end of the program if the line os.exit(0)
> doesn't exist.  It seems that os.exit() does some cleanup.  Since the
> program does what it's supposed to do I assume that it's not wrong in
> general to have more than one file opened at the same time.
> 
> Regards,
>  Reinhard
> 
> -----------------------------------------------
> #!/usr/bin/env texlua
> 
> kpse.set_program_name('texlua')
> require('zip')
> 
> local arch=zip.open ('test.zip')
> for f in arch:files() do
>  print(f.filename)
>  local zfile=arch:open(f.filename)
> --  zfile:close()
> end
> arch:close()
> 
> --os.exit(0)
> 
> -- Local Variables:
> --  lua-indent-level: 2
> --  tab-width: 2
> --  indent-tabs-mode: nil
> -- End:
> -- vim:set tabstop=2 expandtab: #
> -----------------------------------------------
> 
> -- 
> ----------------------------------------------------------------------------
> Reinhard Kotucha                                      Phone: +49-511-3373112
> Marschnerstr. 25
> D-30167 Hannover                              mailto:reinhard.kotucha at web.de
> ----------------------------------------------------------------------------
> Microsoft isn't the answer. Microsoft is the question, and the answer is NO.
> ----------------------------------------------------------------------------
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