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panic: sv_setpvn called with negative strlen #6778

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p5pRT opened this issue Sep 22, 2003 · 3 comments
Closed

panic: sv_setpvn called with negative strlen #6778

p5pRT opened this issue Sep 22, 2003 · 3 comments
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distro-Linux type-core

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@p5pRT
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p5pRT commented Sep 22, 2003

Migrated from rt.perl.org#23937 (status was 'resolved')

Searchable as RT23937$
@p5pRT
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p5pRT commented Sep 22, 2003

From Ken.Yap@cisra.canon.com.au

Created by ken_yap_aus@yahoo.com

#!/usr/bin/perl -w

require 5.008;

my $string = pack('Z*Z*Z*', "hello", "blksize", "1500");
my ($first, %hash) = unpack('Z*Z*Z*Z*Z*', $string);
print "$first\n";
foreach my $i (keys %hash) {
  print "$i $hash{$i}\n";
}
exit;

Perl Info 

Flags:
    category=core
    severity=low

Site configuration information for perl v5.8.0:

Configured by bhcompile at Tue Feb 18 22:17:47 EST 2003.

Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
  Platform:
    osname=linux, osvers=2.4.20-2.48smp,
archname=i386-linux-thread-multi
    uname='linux stripples.devel.redhat.com 2.4.20-2.48smp #1 smp thu
feb 13 11:44:55 est 2003 i686 i686 i386 gnulinux '
    config_args='-des -Doptimize=-O2 -march=i386 -mcpu=i686 -g
-Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red
Hat, Inc. -Dinstallprefix=/usr -Dprefix=/usr -Darchname=i386-linux
-Dvendorprefix=/usr -Dsiteprefix=/usr
-Dotherlibdirs=/usr/lib/perl5/5.8.0 -Duseshrplib -Dusethreads
-Duseithreads -Duselargefiles -Dd_dosuid -Dd_semctl_semun -Di_db
-Ui_ndbm -Di_gdbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio
-Dinstallusrbinperl -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less
-isr'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define
usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS
-DDEBUGGING -fno-strict-aliasing -I/usr/local/include
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
    optimize='-O2 -march=i386 -mcpu=i686 -g',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBUGGING
-fno-strict-aliasing -I/usr/local/include -I/usr/include/gdbm'
    ccversion='', gccversion='3.2.2 20030213 (Red Hat Linux 8.0
3.2.2-1)', 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 -lpthread -lc -lcrypt -lutil
    perllibs=-lnsl -ldl -lm -lpthread -lc -lcrypt -lutil
    libc=/lib/libc-2.3.1.so, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.3.1'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic
-Wl,-rpath,/usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'

Locally applied patches:
    MAINT18379


@INC for perl v5.8.0:
    /opt/perl_local/rh9/5.6.1
    /opt/css
    /usr/lib/perl5/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/5.8.0
    /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/site_perl/5.8.0
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.8.0
    /usr/lib/perl5/vendor_perl
    /usr/lib/perl5/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/5.8.0
    .


Environment for perl v5.8.0:
    HOME=/u/kenyap
    LANG=en_AU
    LANGUAGE (unset)
    LC_COLLATE=C
    LD_LIBRARY_PATH=/home/rasul/kenyap/local/lib
    LOGDIR (unset)
   
PATH=/u/kenyap/bin:/u/kenyap/local/bin:/opt/jakarta-ant-1.5/bin:/opt/j2sdk-sun-1.4.1_01/bin:/bin:/usr/bin:/sbin:/usr/sbin:/usr/lib/nmh:/usr/X11R6/bin
    PERL5LIB=/opt/perl_local/rh9/5.6.1:/opt/css
    PERL_BADLANG (unset)
    SHELL=/bin/bash

@p5pRT
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p5pRT commented Sep 22, 2003

From @iabyn

On Mon, Sep 22, 2003 at 06​:33​:11AM -0000, Ken.Yap@​cisra.canon.com.au (via RT) wrote​:

#!/usr/bin/perl -w

require 5.008;

my $string = pack('Z*Z*Z*', "hello", "blksize", "1500");
my ($first, %hash) = unpack('Z*Z*Z*Z*Z*', $string);
print "$first\n";
foreach my $i (keys %hash) {
print "$i $hash{$i}\n";
}
exit;

Thanks for the report. This has been fixed in Perl version 5.8.1, which
is due to be released Real Soon Now.

Dave.

--
In my day, we used to edit the inodes by hand. With magnets.

@p5pRT p5pRT closed this as completed Sep 22, 2003
@p5pRT
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p5pRT commented Sep 22, 2003

@iabyn - Status changed from 'new' to 'resolved'

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