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[perl #28999] Segmentation fault at m// regexp

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From:
Dmitry Samborsky
Date:
April 28, 2004 04:53
Subject:
[perl #28999] Segmentation fault at m// regexp
Message ID:
rt-3.0.8-28999-85732.2.85334525804224@perl.org
# New Ticket Created by  Dmitry Samborsky 
# Please include the string:  [perl #28999]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org:80/rt3/Ticket/Display.html?id=28999 >


This is a bug report for perl from dsambor@istra.ru,
generated with the help of perlbug 1.33 running under perl v5.6.1.
(The bug is also tested in v5.8.0, RH9.0. -- Dmitry Samborsky)

#! /usr/bin/perl -w
my $lindex =  14000; # 14 -- works fine
my $seq = 'AA-'x(8000);
$seq =~ m/((-*[^\-]){$lindex})/; # find letter position (take in account 
gaps)
##### Segmentation fault #####
print "match: $1\n";
---
Flags:
    category=core
    severity=medium
---
Site configuration information for perl v5.6.1:

Configured by bhcompile at Mon Apr  1 12:22:19 EST 2002.

Summary of my perl5 (revision 5.0 version 6 subversion 1) configuration:
  Platform:
    osname=linux, osvers=2.4.17-0.13smp, archname=i386-linux
    uname='linux daffy.perf.redhat.com 2.4.17-0.13smp #1 smp fri feb 1 
10:30:48 est 2002 i686 unknown '
    config_args='-des -Doptimize=-O2 -march=i386 -mcpu=i686 -Dcc=gcc 
-Dcf_by=Red Hat, Inc. -Dcccdlflags=-fPIC -Dinstallprefix=/usr 
-Dprefix=/usr -Darchname=i386-linux -Dvendorprefix=/usr 
-Dsiteprefix=/usr -Uusethreads -Uuseithreads -Uuselargefiles -Dd_dosuid 
-Dd_semctl_semun -Di_db -Di_ndbm -Di_gdbm -Di_shadow -Di_syslog 
-Dman3ext=3pm'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=undef use5005threads=undef useithreads=undef 
usemultiplicity=undef
    useperlio=undef d_sfio=undef uselargefiles=undef usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
  Compiler:
    cc='gcc', ccflags ='-fno-strict-aliasing -I/usr/local/include',
    optimize='-O2 -march=i386 -mcpu=i686',
    cppflags='-fno-strict-aliasing -I/usr/local/include'
    ccversion='', gccversion='2.96 20000731 (Red Hat Linux 7.2 
2.96-109)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', 
lseeksize=4
    alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries:
    ld='gcc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lnsl -ldl -lm -lc -lcrypt -lutil
    perllibs=-lnsl -ldl -lm -lc -lcrypt -lutil
    libc=/lib/libc-2.2.5.so, so=so, useshrplib=false, libperl=libperl.a
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'

Locally applied patches:
   

---
@INC for perl v5.6.1:
    /usr/lib/perl5/5.6.1/i386-linux
    /usr/lib/perl5/5.6.1
    /usr/lib/perl5/site_perl/5.6.1/i386-linux
    /usr/lib/perl5/site_perl/5.6.1
    /usr/lib/perl5/site_perl/5.6.0/i386-linux
    /usr/lib/perl5/site_perl/5.6.0
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl/5.6.1/i386-linux
    /usr/lib/perl5/vendor_perl/5.6.1
    /usr/lib/perl5/vendor_perl
    .

---
Environment for perl v5.6.1:
    HOME=/home/dima
    LANG=ru_RU.KOI8-R
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    
PATH=/home/dima/Genebee/VDB/bin:/usr/baget-tools/H-linux86/bin:/opt/local/vtcl-1.6.0a3:/home/dima/Genebee/VDB/bin:/usr/baget-tools/H-linux86/bin:/opt/local/vtcl-1.6.0a3:/usr/kerberos/bin:/usr/baget-tools/H-linux86/bin:/bin:/usr/bin:/usr/bin/X11:/usr/local/bin:/usr/bin:/usr/X11R6/bin:/home/dima/bin:/home/dima/bin
    PERL_BADLANG (unset)
    SHELL=/bin/bash

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