gdb in realloc(): error: junk pointer, too high to make sense on FreeBSD 5.2+ [SOLVED]

[Philip M. Gollucci]

Paul Querna wrote:
> Philip M. Gollucci wrote:
>> Hi,
>>
>> 2 years ago, PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/68727
>> was filed about gdb itself segfaulting when trying to debug httpd.
>> This PR hasn't seen any action AFAIK.
Its been 2 years in the making........

GDB 6.5 works flawlessly with no local mods.

I used the attached script to test with
against perl 5.8.8 httpd 2.2.2(prefork) mod_perl trunk

I'm going to work on creating
	ports/devel/gdb65
	src/contrib/gdb (vendor import)

pgollucci at home.p6m7g8.net /home/pgollucci/dev/compile/freebsd-6.1-stable/3.4.4/mod_perl/r420729-5.8.8-2.0.58-prefork 22
                           5 0>./t/TEST -debug=gdb
GNU gdb 6.5
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 "i386-unknown-freebsd6.1"...
[Mon Jul 10 22:19:41 2006] [info] 6 Apache2:: modules loaded
[Mon Jul 10 22:19:41 2006] [info] 0 APR:: modules loaded
[Mon Jul 10 22:19:41 2006] [info] base server + 30 vhosts ready to run tests
[Mon Jul 10 22:19:43 2006] [warn] The Alias directive in mod_perl at line 1 will probably never match because it overla
                           ps an earlier Alias.
[Mon Jul 10 22:19:43 2006] [warn] The Alias directive in mod_perl at line 1 will probably never match because it overla
                           ps an earlier Alias.


THIS IS HUGE!!!!




-- 
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Philip M. Gollucci (pgollucci at p6m7g8.com) 323.219.4708
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-------------- next part --------------
#!/bin/sh -x

chdir /home/pgollucci/dev/dist
fetch -mva http://ftp.gnu.org/gnu/gdb/gdb-6.5.tar.gz

chdir /home/pgollucci/dev/src
tar -xvzf ../dist/gdb-6.5.tar.gz
mkdir -p /home/pgollucci/dev/src/gdb-6.5 /home/pgollucci/dev/compile/freebsd-6.1-stable/3.4.4
cp -R /home/pgollucci/dev/src/gdb-6.5 /home/pgollucci/dev/compile/freebsd-6.1-stable/3.4.4

chdir /home/pgollucci/dev/compile/freebsd-6.1-stable/3.4.4/gdb-6.5
./configure \
    --prefix=/usr/local/software/freebsd-6.1-stable/3.4.4/gdb/6.5 \
    --enable-maintainer-mode

make

make install

# tcsh:
# setenv PATH /usr/local/software/freebsd-6.1-stable/3.4.4/gdb/6.5/bin:$PATH
# rehash