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[perl #50256] segfault on perl -e 'split //, unpack "(B)*", "ab"'
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From:
l . mai @ web . de
Date:
January 25, 2008 16:34
Subject:
[perl #50256] segfault on perl -e 'split //, unpack "(B)*", "ab"'
Message ID:
rt-3.6.HEAD-23549-1201307669-1343.50256-75-0@perl.org
# New Ticket Created by l.mai@web.de
# Please include the string: [perl #50256]
# in the subject line of all future correspondence about this issue.
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=50256 >
This is a bug report for perl from l.mai@web.de,
generated with the help of perlbug 1.35 running under perl v5.10.0.
-----------------------------------------------------------------
[Please enter your report here]
% perl -e 'split //, unpack "(B)*", "ab"'
Segmentation fault
Oh, those "locally applied patches" below aren't in this perl; they
were from v5.8.8. But 5.8.8 also crashes with this code.
[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
category=core
severity=medium
---
This perlbug was built using Perl v5.8.8 - Wed Mar 22 20:53:12 CET 2006
It is being executed now by Perl v5.10.0 - Wed Dec 19 19:01:35 CET 2007.
Site configuration information for perl v5.10.0:
Configured by mauke at Wed Dec 19 19:01:35 CET 2007.
Summary of my perl5 (revision 5 version 10 subversion 0) configuration:
Platform:
osname=linux, osvers=2.6.22-gentoo-r9, archname=i686-linux
uname='linux nora 2.6.22-gentoo-r9 #3 preempt sat nov 3 22:12:09 cet 2007 i686 amd athlon(tm) 64 processor 3200+ authenticamd gnulinux '
config_args=''
hint=recommended, useposix=true, d_sigaction=define
useithreads=undef, usemultiplicity=undef
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=undef, use64bitall=undef, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='gcc', ccflags ='-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
optimize='-O2 -march=native -fomit-frame-pointer',
cppflags='-fno-strict-aliasing -pipe -I/usr/local/include -I/usr/include/gdbm'
ccversion='', gccversion='4.2.2', 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=8
alignbytes=4, prototype=define
Linker and Libraries:
ld='gcc', ldflags =' -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib
libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
libc=/lib/libc-2.6.1.so, so=so, useshrplib=false, libperl=libperl.a
gnulibc_version='2.6.1'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
cccdlflags='-fPIC', lddlflags='-shared -O2 -march=native -fomit-frame-pointer -L/usr/local/lib'
Locally applied patches:
SAFEARGV0 - disable magic open in <ARGV>
METHQUAL0 - allow qualified method calls without a valid object
UNWARN0 - disable stupid warnings for print and qw
---
@INC for perl v5.10.0:
/home/mauke/usr/local/lib/perl5/5.10.0/i686-linux
/home/mauke/usr/local/lib/perl5/5.10.0
/home/mauke/usr/local/lib/perl5/site_perl/5.10.0/i686-linux
/home/mauke/usr/local/lib/perl5/site_perl/5.10.0
.
---
Environment for perl v5.10.0:
HOME=/home/mauke
LANG=en_US.UTF-8
LANGUAGE (unset)
LC_COLLATE=POSIX
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/home/mauke/usr/local/bin:/usr/local/bin:/usr/bin:/bin:/opt/bin:/usr/i686-pc-linux-gnu/gcc-bin/4.1.2:/opt/sun-jdk-1.4.2.13/bin:/opt/sun-jdk-1.4.2.13/jre/bin:/opt/sun-jdk-1.4.2.13/jre/javaws:/usr/kde/3.5/bin:/usr/qt/3/bin:/usr/games/bin:/opt/vmware/player/bin
PERL_BADLANG (unset)
PERL_UNICODE=SAL
SHELL=/bin/zsh
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[perl #50256] segfault on perl -e 'split //, unpack "(B)*", "ab"'
by l . mai @ web . de