| Subject: | segfault loading regexp in perl5.10.0/perl5.14.2 |
perl -MYAML::XS -E 'YAML::XS::Load(
"re1: !!perl/regexp (?i-xsm:A)
re2: !!perl/regexp (?i-xsm:A)"
)'
One such regexp is fine, but two causes a segfault.
Summary of my perl5 (revision 5 version 10 subversion 0) configuration:
Platform:
osname=linux, osvers=2.6.8-24.25-default, archname=x86_64-linux-thread-multi
uname='linux commodore 2.6.8-24.25-default #1 thu aug 24 09:57:32 utc 2006 x86_64 x86_64 x86_64 gnulinux '
config_args='-ders -Dcc=gcc -Dusethreads -Duseithreads -Ud_sigsetjmp -Uinstallusrbinperl -Ulocincpth= -Uloclibpth= -Duse64bitall -Dlibpth=/lib64 /usr/lib64 /usr/local/lib64 -Accflags=-DUSE_SITECUSTOMIZE -Duselargefiles -Accflags=-DPRIVLIB_LAST_IN_INC -Dprefix=/opt/ActivePerl-5.10 -Dprivlib=/opt/ActivePerl-5.10/lib -Darchlib=/opt/ActivePerl-5.10/lib -Dsiteprefix=/opt/ActivePerl-5.10/site -Dsitelib=/opt/ActivePerl-5.10/site/lib -Dsitearch=/opt/ActivePerl-5.10/site/lib -Dsed=/bin/sed -Duseshrplib -Dcf_by=ActiveState -Dcf_email=support@ActiveState.com'
hint=recommended, useposix=true, d_sigaction=define
useithreads=define, usemultiplicity=define
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=define, use64bitall=define, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
optimize='-O2',
cppflags='-D_REENTRANT -D_GNU_SOURCE -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -fno-strict-aliasing -pipe'
ccversion='', gccversion='3.3.4 (pre 3.3.5 20040809)', gccosandvers=''
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
alignbytes=8, prototype=define
Linker and Libraries:
ld='gcc', ldflags =''
libpth=/lib64 /usr/lib64 /usr/local/lib64
libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lpthread -lc
perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
libc=, so=so, useshrplib=true, libperl=libperl.so
gnulibc_version='2.3.3'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/opt/ActivePerl-5.10/lib/CORE'
cccdlflags='-fPIC', lddlflags='-shared -O2'
Characteristics of this binary (from libperl):
Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_64_BIT_ALL
USE_64_BIT_INT USE_ITHREADS USE_LARGE_FILES
USE_PERLIO USE_REENTRANT_API USE_SITECUSTOMIZE
Locally applied patches:
ActivePerl Build 1004 [287188]
33741 avoids segfaults invoking S_raise_signal() (on Linux)
32809 Load 'loadable object' with non-default file extension
32728 64-bit fix for Time::Local
Built under linux
Compiled at Sep 3 2008 11:13:26
@INC:
/opt/ActivePerl-5.10/site/lib
/opt/ActivePerl-5.10/lib
.
Also with this
Summary of my perl5 (revision 5 version 14 subversion 2) configuration:
Platform:
osname=cygwin, osvers=1.7.15(0.26053), archname=cygwin-thread-multi-64int
uname='cygwin_nt-5.1 winxp 1.7.15(0.26053) 2012-05-09 10:25 i686 cygwin '
config_args='-de -Dlibperl=cygperl5_14.dll -Dcc=gcc-4 -Dld=g++-4 -Darchname=i686-cygwin-threads-64int -Dmksymlinks -Dusethreads -Accflags=-g'
hint=recommended, useposix=true, d_sigaction=define
useithreads=define, usemultiplicity=define
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=define, use64bitall=undef, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='gcc-4', ccflags ='-DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -g -fno-strict-aliasing -pipe -fstack-protector',
optimize='-O3',
cppflags='-DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -g -fno-strict-aliasing -pipe -fstack-protector'
ccversion='', gccversion='4.5.3', gccosandvers=''
intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
ivtype='long long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
alignbytes=8, prototype=define
Linker and Libraries:
ld='g++-4', ldflags =' -Wl,--enable-auto-import -Wl,--export-all-symbols -Wl,--enable-auto-image-base -fstack-protector -L/usr/local/lib'
libpth=/usr/local/lib /usr/lib /lib
libs=-lgdbm -ldb -ldl -lcrypt -lgdbm_compat
perllibs=-ldl -lcrypt
libc=/usr/lib/libc.a, so=dll, useshrplib=true, libperl=cygperl5_14.dll
gnulibc_version=''
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
cccdlflags=' ', lddlflags=' --shared -Wl,--enable-auto-import -Wl,--export-all-symbols -Wl,--enable-auto-image-base -L/usr/local/lib -fstack-protector'
Characteristics of this binary (from libperl):
Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
PERL_IMPLICIT_CONTEXT PERL_PRESERVE_IVUV
PERL_USE_SAFE_PUTENV USE_64_BIT_INT USE_ITHREADS
USE_LARGE_FILES USE_PERLIO USE_PERL_ATOF
USE_REENTRANT_API
Locally applied patches:
Bug#55162 File::Spec::case_tolerant performance
CYG07 $vendorarch/auto/.rebase
CYG15 static Win32CORE
CYG17 cyg-1.7 paths-utf8
0c612ce82 Fix building static extensions on cygwin, -UUSEIMPORTLIB
1bac5ecc1 Fix 64-bit threading sv.c: S_anonymise_cv_maybe
Cygwin::sync_winenv added
Built under cygwin
Compiled at Jul 12 2012 14:17:21
@INC:
/usr/lib/perl5/site_perl/5.14/i686-cygwin-threads-64int
/usr/lib/perl5/site_perl/5.14
/usr/lib/perl5/vendor_perl/5.14/i686-cygwin-threads-64int
/usr/lib/perl5/vendor_perl/5.14
/usr/lib/perl5/5.14/i686-cygwin-threads-64int
/usr/lib/perl5/5.14
/usr/lib/perl5/site_perl/5.10
/usr/lib/perl5/vendor_perl/5.10
/usr/lib/perl5/site_perl/5.8
.