[Rd] segfault on large number of open brackets (PR#7859)

[ripley at stats.ox.ac.uk]

Yes, it is coincidence.

I have found the error and have a fix: more detailed message to follow.

Brian

On Thu, 12 May 2005 ligges at statistik.uni-dortmund.de wrote:

> Liaw, Andy wrote:
>
>> I believe that's been fixed in R-2.1.0.  Please check.
>>
>> I got the same segfault with R-2.0.1 on SuSE Linux x86_64, but on both that
>> machine and my WinXP latop, I get syntax error.  E.g.,
>>
>> R : Copyright 2005, The R Foundation for Statistical Computing
>> Version 2.1.0 Patched (2005-05-12), ISBN 3-900051-07-0
>>
>> R is free software and comes with ABSOLUTELY NO WARRANTY.
>> You are welcome to redistribute it under certain conditions.
>> Type 'license()' or 'licence()' for distribution details.
>>
>>   Natural language support but running in an English locale
>>
>> R is a collaborative project with many contributors.
>> Type 'contributors()' for more information and
>> 'citation()' on how to cite R or R packages in publications.
>>
>> Type 'demo()' for some demos, 'help()' for on-line help, or
>> 'help.start()' for a HTML browser interface to help.
>> Type 'q()' to quit R.
>>
>>
>>> (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
>>
>> + (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
>> Error: syntax error
>
>
> With R-2.1.0 (release!) I get syntax error on Windows, no error (at
> least not after the first couple of hundred openings) on Linux, but the
> described *segfault* on Solaris 5.7 (UltraSparc).
> [I am too lazy to try out R-patched on the slowish Solaris machine yet]
>
> Uwe Ligges
>
>
>> Andy
>>
>>
>>
>>> From: m.e.bruche at lse.ac.uk
>>>
>>> Full_Name: Max
>>> Version: R 2.0.1 (2004-11-15)
>>> OS: Gentoo Linux
>>> Submission from: (NULL) (158.143.49.181)
>>>
>>>
>>> I leaned on the "(" key by accident, and it looks as if R
>>> segfaults on a large
>>> number (88 or more in my case) open brackets:
>>>
>>> Script started on Thu May 12 15:18:04 2005
>>> $ R
>>>
>>> R : Copyright 2004, The R Foundation for Statistical Computing
>>> Version 2.0.1  (2004-11-15), ISBN 3-900051-07-0
>>>
>>> R is free software and comes with ABSOLUTELY NO WARRANTY.
>>> You are welcome to redistribute it under certain conditions.
>>> Type 'license()' or 'licence()' for distribution details.
>>>
>>> R is a collaborative project with many contributors.
>>> Type 'contributors()' for more information and
>>> 'citation()' on how to cite R or R packages in publications.
>>>
>>> Type 'demo()' for some demos, 'help()' for on-line help, or
>>> 'help.start()' for a HTML browser interface to help.
>>> Type 'q()' to quit R.
>>>
>>>
>>> ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
>>> ((((((((((((((((
>>> (((((((((
>>> + (
>>> Segmentation fault
>>> $ uname -a
>>> Linux max 2.6.11-gentoo-r6 #2 Sat May 7 19:24:52 GMT 2005
>>> i686 Intel(R)
>>> Pentium(R) 4 CPU 2.40GHz GenuineIntel GNU/Linux
>>> $ exit
>>>
>>> Script done on Thu May 12 15:18:16 2005
>>>
>>> Regards,
>>>
>>> Max
>>>
>>> R compiled with
>>> gcc 3.3.5
>>> glibc-2.3.4
>>>
>>> ______________________________________________
>>> R-devel at stat.math.ethz.ch mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>>
>>>
>>>
>>
>>
>> ______________________________________________
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>> https://stat.ethz.ch/mailman/listinfo/r-devel
>
> ______________________________________________
> R-devel at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
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