Bug report: #0 file_dup (new_file=0xbfd296d4, old_file=0x0, p=0x80a70a8, which_dup=1) at file_io/unix/filedup.c:59 segfault

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1. Problem Description:

  Crash gentoo apache2 start. core dump below, think tries to dup
  a 0 file pointer


  [DESCRIBE THE PROBLEM HERE]

2. Used Components and their Configuration:

*** mod_perl version 2.000004

*** using
/usr/lib/perl5/vendor_perl/5.12.2/i486-linux-thread-multi/Apache2/BuildConfig.pm

*** Makefile.PL options:
  MP_APR_LIB     => aprext
  MP_APXS        => /usr/sbin/apxs2
  MP_COMPAT_1X   => 1
  MP_DEBUG       => 1
  MP_GENERATE_XS => 1
  MP_LIBNAME     => mod_perl
  MP_TRACE       => 1
  MP_USE_DSO     => 1


*** The httpd binary was not found


*** (apr|apu)-config linking info

 -L/usr/lib -laprutil-1  -ldb-4.7  -lgdbm  -lexpat -L/usr/lib
 -L/usr/lib -lapr-1 -luuid -lrt -lcrypt  -lpthread -ldl



*** /usr/bin/perl -V
Summary of my perl5 (revision 5 version 12 subversion 2) configuration:

  Platform:
    osname=linux, osvers=2.6.34-gentoo-r6z2-embedded-linux,
archname=i486-linux-thread-multi
    uname='linux gentoo-p4-tinderbox 2.6.34-gentoo-r6z2-embedded-linux
#5 mon sep 13 15:07:25 cest 2010 i686 intel(r) pentium(r) dual cpu e2180
@ 2.00ghz genuineintel gnulinux '
    config_args='-des -Duseshrplib -Darchname=i486-linux-thread
-Dcc=i486-pc-linux-gnu-gcc -Doptimize=-march=i686 -msse -mmmx -O2 -pipe
-fomit-frame-pointer -Dldflags=-Wl,-O1 -Wl,--as-needed -Dprefix=/usr
-Dsiteprefix=/usr -Dvendorprefix=/usr -Dscriptdir=/usr/bin
-Dprivlib=/usr/lib/perl5/5.12.2
-Darchlib=/usr/lib/perl5/5.12.2/i486-linux-thread-multi
-Dsitelib=/usr/lib/perl5/site_perl/5.12.2
-Dsitearch=/usr/lib/perl5/site_perl/5.12.2/i486-linux-thread-multi
-Dvendorlib=/usr/lib/perl5/vendor_perl/5.12.2
-Dvendorarch=/usr/lib/perl5/vendor_perl/5.12.2/i486-linux-thread-multi
-Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3
-Dsiteman1dir=/usr/share/man/man1 -Dsiteman3dir=/usr/share/man/man3
-Dvendorman1dir=/usr/share/man/man1 -Dvendorman3dir=/usr/share/man/man3
-Dman1ext=1 -Dman3ext=3pm -Dlibperl=libperl.so.5.12.2 -Dlocincpth=
-Duselargefiles -Dd_semctl_semun -Dcf_by=Gentoo -Dmyhostname=localhost
-Dperladmin=root@localhost -Dinstallusrbinperl=n -Ud_csh -Uusenm
-Di_ndbm -Di_gdbm -Di_db -Dusethreads -DDEBUGGING=none
-Dinc_version_list=5.12.1/i486-linux-thread-multi 5.12.1
5.12.0/i486-linux-thread-multi 5.12.0 '
    hint=recommended, useposix=true, d_sigaction=define
    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='i486-pc-linux-gnu-gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE
-fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-march=i686 -msse -mmmx -O2 -pipe -fomit-frame-pointer',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe'
    ccversion='', gccversion='4.4.4', 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='i486-pc-linux-gnu-gcc', ldflags ='-Wl,-O1 -Wl,--as-needed
-L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread -lc
-lgdbm_compat
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=/lib/libc-2.11.2.so, so=so, useshrplib=true,
libperl=libperl.so.5.12.2
    gnulibc_version='2.11.2'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -march=i686 -msse -mmmx -O2
-pipe -fomit-frame-pointer -L/usr/local/lib -Wl,-O1 -Wl,--as-needed'


Characteristics of this binary (from libperl):
  Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
                        PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_ITHREADS
                        USE_LARGE_FILES USE_PERLIO USE_PERL_ATOF
                        USE_REENTRANT_API
  Locally applied patches:
        0001-gentoo_MakeMaker-RUNPATH.diff
        0002-gentoo_config_over.diff
        0003-gentoo_cpan_definstalldirs.diff
        0004-gentoo_cpanplus_definstalldirs.diff
        0005-gentoo_create-libperl-soname.diff
        0006-gentoo_MakeMaker-delete_packlist.diff
        0007-fixes_8d66b3f9_h2hp_fix.diff
        0008-fixes_f178b03b_h2ph_using_deprecated_goto.diff
        0009-gentoo_mod-paths.diff
        0010-gentoo_enc2xs.diff
        0011-gentoo_IO-Compress_AutoLoader_dropped_from_Compress-Zlib.diff
        0012-fixes_84601d63_CGI-3.50.diff
        0013-fixes_2a1594f6_CGI-3.51.diff
        0014-gentoo_drop-fstack-protector.diff
  Built under linux
  Compiled at Mar  3 2011 22:10:42
  %ENV:
    PERL_LWP_USE_HTTP_10="1"
  @INC:
    /etc/perl
    /usr/lib/perl5/site_perl/5.12.2/i486-linux-thread-multi
    /usr/lib/perl5/site_perl/5.12.2
    /usr/lib/perl5/vendor_perl/5.12.2/i486-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.12.2
    /usr/lib/perl5/5.12.2/i486-linux-thread-multi
    /usr/lib/perl5/5.12.2
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl
    /usr/local/lib/site_perl
    .

*** Packages of interest status:

Apache2            : -
Apache2::Request   : -
CGI                : 3.51, 3.51
ExtUtils::MakeMaker: 6.56
LWP                : 5.836
mod_perl           : -
mod_perl2          : 2.000004


3. This is the core dump trace: (if you get a core dump):

#0  file_dup (new_file=0xbfd296d4, old_file=0x0, p=0x80a70a8,
which_dup=1) at file_io/unix/filedup.c:59
#1  0xb5dec184 in modperl_hook_post_config_last (pconf=0x80a70a8,
plog=0x80d7168, ptemp=0x80d9170, s=0x80acc58) at mod_perl.c:704
#2  0x0807a572 in ap_run_post_config (pconf=0x80a70a8, plog=0x80d7168,
ptemp=0x80d9170, s=0x80acc58) at config.c:91
#3  0x08066d82 in main (argc=37, argv=0xbfd29864) at main.c:680


This report was generated by /usr/bin/mp2bug on Sat Mar 19 16:03:48 2011
GMT.

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