# New Ticket Created by josh lik.nonet
# Please include the string: [perl #46435]
# in the subject line of all future correspondence about
this issue.
# <URL: h
ttp://rt.perl.org/rt3/Ticket/Display.html?id=46435 >
This is a bug report for perl from joshlik.nonet,
generated with the help of perlbug 1.36 running under perl
5.10.0.
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[Please enter your report here]
The following program will trigger a null pointer
dereference. GvSV(...) for the ARGV glob is what is
returning null.
perl -e 'eof()'
[lik ~/src/myblead2]$ gdb /opt/perl-5.10.0-dbg/bin/perl
GNU gdb 6.6-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public
License, and you are
welcome to change it and/or distribute copies of it under
certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show
warranty" for details.
This GDB was configured as "i486-linux-gnu"...
Using host libthread_db library
"/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) set args -e eof()
(gdb) run
Starting program: /opt/perl-5.10.0-dbg/bin/perl -e eof()
Program received signal SIGSEGV, Segmentation fault.
Perl_sv_setpvn (sv=0x0, ptr=0x81f6dc1 "-", len=1)
at sv.c:3867
3867 SV_CHECK_THINKFIRST_COW_DROP(sv);
(gdb) p sv
$1 = (SV *) 0x0
(gdb) bt
#0 Perl_sv_setpvn (sv=0x0, ptr=0x81f6dc1 "-",
len=1) at sv.c:3867
#1 0x0814ea4d in Perl_pp_eof () at pp_sys.c:2015
#2 0x0809b040 in Perl_runops_debug () at dump.c:1931
#3 0x080c6037 in perl_run (my_perl=0x824f008) at
perl.c:2381
#4 0x080623d5 in main (argc=3, argv=0xbff11a04,
env=0xbff11a14) at perlmain.c:113
(gdb)
[Please do not change anything below this line]
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Flags:
category=core
severity=high
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Site configuration information for perl 5.10.0:
Configured by josh at Sun Oct 14 09:55:17 PDT 2007.
Summary of my perl5 (revision 5 version 10 subversion 0
patch 32107) configuration:
Platform:
osname=linux, osvers=2.6.20-16-generic,
archname=i686-linux
uname='linux lik 2.6.20-16-generic #2 smp sun sep 23
19:50:39 utc 2007 i686 gnulinux '
config_args='-DEBUGGING=both
-Dprefix=/opt/perl-5.10.0-dbg -des'
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='cc', ccflags ='-DDEBUGGING -fno-strict-aliasing
-pipe -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64',
optimize='-O2 -g',
cppflags='-DDEBUGGING -fno-strict-aliasing -pipe
-I/usr/local/include'
ccversion='', gccversion='4.1.2 (Ubuntu
4.1.2-0ubuntu4)', 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='cc', ldflags =' -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib /usr/lib64
libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lc
perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
libc=/lib/libc-2.5.so, so=so, useshrplib=false,
libperl=libperl.a
gnulibc_version='2.5'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef,
ccdlflags='-Wl,-E'
cccdlflags='-fPIC', lddlflags='-shared -O2 -g
-L/usr/local/lib'
Locally applied patches:
DEVEL
---
INC
for perl 5.10.0:
/opt/perl-5.10.0-dbg/lib/5.10.0/i686-linux
/opt/perl-5.10.0-dbg/lib/5.10.0
/opt/perl-5.10.0-dbg/lib/site_perl/5.10.0/i686-linux
/opt/perl-5.10.0-dbg/lib/site_perl/5.10.0
.
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Environment for perl 5.10.0:
HOME=/home/josh
LANG=en_US.UTF-8
LANGUAGE (unset)
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/home/josh/bin/perl/5.8.8/bin:/home/josh/bin:/home/josh
/bin/bin:/home/josh/bin/perl/5.8.8/bin:/home/josh/bin:/home/
josh/bin/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/b
in:/sbin:/bin:/usr/games
PERL_BADLANG (unset)
SHELL=/bin/bash
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