#!/usr/bin/perl -w

use HTTP::Request;
use LWP::UserAgent;
use threads;

my $TEST_URL = "http://www.blairhippo.com/";

for (my $i = 0; $i < 500; $i++) {
  my $thread = threads -> create ('execute_request', $TEST_URL);
  $thread -> detach();
}

print "If you can read this line, I have run to completion and failed to fail.  Which makes my success a failure.  I'm so emo.\n";

sub execute_request {
  my $url = shift;
  my $request = HTTP::Request -> new ('GET', $url);
  my $agent = LWP::UserAgent -> new();
  my $response = $agent -> request($request);
}

##</code><code>##

*** glibc detected *** /usr/bin/perl: double free or corruption (fasttop): 0x00002aaacc1b8db0 ***
======= Backtrace: =========
/lib64/libc.so.6[0x2b38c83bb21d]
/lib64/libc.so.6(cfree+0x76)[0x2b38c83bcf76]
/usr/bin/perl(Perl_newCONSTSUB+0x144)[0x44e574]
/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/IO/IO.so(boot_IO+0x34e)[0x2aaaaaaaccee]
/usr/bin/perl(Perl_pp_entersub+0x363)[0x486bb3]
/usr/bin/perl(Perl_runops_debug+0x11e)[0x468f8e]
/usr/bin/perl(Perl_call_sv+0x77d)[0x42492d]
/usr/bin/perl(Perl_call_list+0x30c)[0x424e7c]
/usr/bin/perl(Perl_newATTRSUB+0xe82)[0x458042]
/usr/bin/perl(Perl_utilize+0x24a)[0x45658a]
/usr/bin/perl(Perl_yyparse+0x247e)[0x449bde]
/usr/bin/perl[0x4b4de0]
/usr/bin/perl(Perl_pp_require+0xd49)[0x4b6fb9]
/usr/bin/perl(Perl_runops_debug+0x11e)[0x468f8e]
/usr/bin/perl(Perl_call_sv+0x77d)[0x42492d]
/usr/bin/perl(Perl_call_list+0x30c)[0x424e7c]
/usr/bin/perl(Perl_newATTRSUB+0xe82)[0x458042]
/usr/bin/perl(Perl_utilize+0x24a)[0x45658a]
/usr/bin/perl(Perl_yyparse+0x247e)[0x449bde]
/usr/bin/perl[0x4b4de0]
/usr/bin/perl(Perl_pp_require+0xd49)[0x4b6fb9]
/usr/bin/perl(Perl_runops_debug+0x11e)[0x468f8e]
/usr/bin/perl(Perl_call_sv+0x77d)[0x42492d]
/usr/bin/perl(Perl_call_list+0x30c)[0x424e7c]
/usr/bin/perl(Perl_newATTRSUB+0xe82)[0x458042]
/usr/bin/perl(Perl_utilize+0x24a)[0x45658a]
/usr/bin/perl(Perl_yyparse+0x247e)[0x449bde]
/usr/bin/perl[0x4b4de0]
/usr/bin/perl(Perl_pp_require+0xd49)[0x4b6fb9]
/usr/bin/perl(Perl_runops_debug+0x11e)[0x468f8e]
/usr/bin/perl(Perl_call_sv+0x77d)[0x42492d]
/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/threads/threads.so[0x2b38c869c07e]
/lib64/libpthread.so.0[0x2b38c8138020]
/lib64/libc.so.6(clone+0x6d)[0x2b38c8411f8d]
======= Memory map: ========
00400000-00537000 r-xp 00000000 08:01 2424843                            /usr/bin/perl
00736000-0073d000 rw-p 00136000 08:01 2424843                            /usr/bin/perl
0073d000-023d4000 rw-p 0073d000 00:00 0                                  [heap]
40000000-40001000 ---p 40000000 00:00 0
40001000-40801000 rw-p 40001000 00:00 0
40801000-40802000 ---p 40801000 00:00 0
40802000-41002000 rw-p 40802000 00:00 0
41002000-41003000 ---p 41002000 00:00 0
41003000-41803000 rw-p 41003000 00:00 0
41803000-41804000 ---p 41803000 00:00 0
41804000-42004000 rw-p 41804000 00:00 0
42004000-42005000 ---p 42004000 00:00 0
42005000-42805000 rw-p 42005000 00:00 0
42805000-42806000 ---p 42805000 00:00 0
42806000-43006000 rw-p 42806000 00:00 0
43006000-43007000 ---p 43006000 00:00 0
43007000-43807000 rw-p 43007000 00:00 0
43807000-43808000 ---p 43807000 00:00 0
43808000-44008000 rw-p 43808000 00:00 0
44008000-44009000 ---p 44008000 00:00 0
44009000-44809000 rw-p 44009000 00:00 0
44809000-4480a000 ---p 44809000 00:00 0
4480a000-4500a000 rw-p 4480a000 00:00 0
4500a000-4500b000 ---p 4500a000 00:00 0
4500b000-4580b000 rw-p 4500b000 00:00 0
4580b000-4580c000 ---p 4580b000 00:00 0
4580c000-4600c000 rw-p 4580c000 00:00 0
4600c000-4600d000 ---p 4600c000 00:00 0
4600d000-4680d000 rw-p 4600d000 00:00 0
4680d000-4680e000 ---p 4680d000 00:00 0
4680e000-4700e000 rw-p 4680e000 00:00 0
4700e000-4700f000 ---p 4700e000 00:00 0
4700f000-4780f000 rw-p 4700f000 00:00 0
4780f000-47810000 ---p 4780f000 00:00 0
47810000-48010000 rw-p 47810000 00:00 0
48010000-48011000 ---p 48010000 00:00 0
48011000-48811000 rw-p 48011000 00:00 0
48811000-48812000 ---p 48811000 00:00 0
48812000-49012000 rw-p 48812000 00:00 0
49012000-49013000 ---p 49012000 00:00 0
49013000-49813000 rw-p 49013000 00:00 0
49813000-49814000 ---p 49813000 00:00 0
49814000-4a014000 rw-p 49814000 00:00 0
4a014000-4a015000 ---p 4a014000 00:00 0
4a015000-4a815000 rw-p 4a015000 00:00 0
4a815000-4a816000 ---p 4a815000 00:00 0
4a816000-4b016000 rw-p 4a816000 00:00 0
4b016000-4b017000 ---p 4b016000 00:00 0
4b017000-4b817000 rw-p 4b017000 00:00 0
4b817000-4b818000 ---p 4b817000 00:00 0
4b818000-4c018000 rw-p 4b818000 00:00 0
4e81d000-4e81e000 ---p 4e81d000 00:00 0
4e81e000-4f01e000 rw-p 4e81e000 00:00 0
51823000-51824000 ---p 51823000 00:00 0
51824000-52024000 rw-p 51824000 00:00 0
52825000-52826000 ---p 52825000 00:00 0
52826000-53026000 rw-p 52826000 00:00 0
2aaaaaaab000-2aaaaaaaf000 r-xp 00000000 08:01 2883850                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/IO/IO.so
2aaaaaaaf000-2aaaaacae000 ---p 00004000 08:01 2883850                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/IO/IO.so
2aaaaacae000-2aaaaacb0000 rw-p 00003000 08:01 2883850                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/IO/IO.so
2aaaaacc5000-2aaaaaccf000 r-xp 00000000 08:01 376857                     /lib64/libnss_files-2.6.1.so
2aaaaaccf000-2aaaaaece000 ---p 0000a000 08:01 376857                     /lib64/libnss_files-2.6.1.so
2aaaaaece000-2aaaaaed0000 rw-p 00009000 08:01 376857                     /lib64/libnss_files-2.6.1.so
2aaaaaed0000-2aaaaaf05000 r--s 00000000 08:01 427755                     /var/run/nscd/dbJBSLjV (deleted)
2aaaaaf06000-2aaaaaf10000 r-xp 00000000 08:01 2885090                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/List/Util/Util.so
2aaaaaf10000-2aaaab10f000 ---p 0000a000 08:01 2885090                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/List/Util/Util.so
2aaaab10f000-2aaaab110000 r--p 00009000 08:01 2885090                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/List/Util/Util.so
2aaaab110000-2aaaab111000 rw-p 0000a000 08:01 2885090                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/List/Util/Util.so
2aaaab111000-2aaaab116000 r-xp 00000000 08:01 2883847                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/File/Glob/Glob.so
2aaaab116000-2aaaab315000 ---p 00005000 08:01 2883847                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/File/Glob/Glob.so
2aaaab315000-2aaaab317000 rw-p 00004000 08:01 2883847                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/File/Glob/Glob.so
2aaaab317000-2aaaab31a000 r-xp 00000000 08:01 2883843                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Fcntl/Fcntl.so
2aaaab31a000-2aaaab519000 ---p 00003000 08:01 2883843                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Fcntl/Fcntl.so
2aaaab519000-2aaaab51b000 rw-p 00002000 08:01 2883843                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Fcntl/Fcntl.so
2aaaab51b000-2aaaab528000 r-xp 00000000 08:01 376917                     /lib64/libgcc_s.so.1
2aaaab528000-2aaaab727000 ---p 0000d000 08:01 376917                     /lib64/libgcc_s.so.1
2aaaab727000-2aaaab729000 rw-p 0000c000 08:01 376917                     /lib64/libgcc_s.so.1
2aaaac000000-2aaaad36a000 rw-p 2aaaac000000 00:00 0
2aaaad36a000-2aaab0000000 ---p 2aaaad36a000 00:00 0
2aaab0000000-2aaab1407000 rw-p 2aaab0000000 00:00 0
2aaab1407000-2aaab4000000 ---p 2aaab1407000 00:00 0
2aaab4000000-2aaab5248000 rw-p 2aaab4000000 00:00 0
2aaab5248000-2aaab8000000 ---p 2aaab5248000 00:00 0
2aaab8000000-2aaab91dd000 rw-p 2aaab8000000 00:00 0
2aaab91dd000-2aaabc000000 ---p 2aaab91dd000 00:00 0
2aaabc000000-2aaabc005000 r-xp 00000000 08:01 2883862                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Socket/Socket.so
2aaabc005000-2aaabc204000 ---p 00005000 08:01 2883862                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Socket/Socket.so
2aaabc204000-2aaabc206000 rw-p 00004000 08:01 2883862                    /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Socket/Socket.so
2aaac0000000-2aaac13a8000 rw-p 2aaac0000000 00:00 0
2aaac13a8000-2aaac4000000 ---p 2aaac13a8000 00:00 0
2aaac4000000-2aaac5112000 rw-p 2aaac4000000 00:00 0
2aaac5112000-2aaac8000000 ---p 2aaac5112000 00:00 0
2aaac8000000-2aaac90fb000 rw-p 2aaac8000000 00:00 0
2aaac90fb000-2aaacc000000 ---p 2aaac90fb000 00:00 0
2aaacc000000-2aaacd2da000 rw-p 2aaacc000000 00:00 0
2aaacd2da000-2aaad0000000 ---p 2aaacd2da000 00:00 0
2aaad0000000-2aaad10c8000 rw-p 2aaad0000000 00:00 0
2aaad10c8000-2aaad4000000 ---p 2aaad10c8000 00:00 0
2aaad4000000-2aaad4027000 r-xp 00000000 08:01 378333                     /usr/lib/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/auto/Compress/Raw/Zlib/Zlib.so
2aaad4027000-2aaad4227000 ---p 00027000 08:01 378333                     /usr/lib/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/auto/Compress/Raw/Zlib/Zlib.so
2aaad4227000-2aaad4228000 r--p 00027000 08:01 378333                     /usr/lib/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/auto/Compress/Raw/Zlib/Zlib.so
2aaad4228000-2aaad4229000 rw-p 00028000 08:01 378333                     /usr/lib/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/auto/Compress/Raw/Zlib/Zlib.so
2aaad8000000-2aaad8f31000 rw-p 2aaad8000000 00:00 0
2aaad8f31000-2aaadc000000 ---p 2aaad8f31000 00:00 0
2aaadc000000-2aaadcfa7000 rw-p 2aaadc000000 00:00 0
2aaadcfa7000-2aaae0000000 ---p 2aaadcfa7000 00:00 0
2aaae0000000-2aaae000b000 r-xp 00000000 08:01 280473                     /usr/lib/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/HTML/Parser/Parser.so
2aaae000b000-2aaae020b000 ---p 0000b000 08:01 280473                     /usr/lib/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/HTML/Parser/Parser.so
2aaae020b000-2aaae020d000 rw-p 0000b000 08:01 280473                     /usr/lib/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/HTML/Parser/Parser.so
2aaae4000000-2aaae4ee0000 rw-p 2aaae4000000 00:00 0
2aaae4ee0000-2aaae8000000 ---p 2aaae4ee0000 00:00 0
2b38c7884000-2b38c78a0000 r-xp 00000000 08:01 378304                     /lib64/ld-2.6.1.so
2b38c78a0000-2b38c78a1000 rw-p 2b38c78a0000 00:00 0
2b38c78a1000-2b38c78a2000 r--p 00000000 08:01 2851489                    /usr/lib/locale/en_US.utf8/LC_IDENTIFICATION
2b38c78a2000-2b38c78a9000 r--s 00000000 08:01 2854279                    /usr/lib64/gconv/gconv-modules.cache
2b38c78a9000-2b38c78aa000 r--p 00000000 08:01 2853700                    /usr/lib/locale/en_US.utf8/LC_MEASUREMENT
2b38c78aa000-2b38c78ab000 r--p 00000000 08:01 2853699                    /usr/lib/locale/en_US.utf8/LC_TELEPHONE
2b38c78ab000-2b38c78ac000 r--p 00000000 08:01 2851488                    /usr/lib/locale/en_US.utf8/LC_ADDRESS
2b38c78ac000-2b38c78ad000 r--p 00000000 08:01 2853814                    /usr/lib/locale/en_US.utf8/LC_NAME
2b38c78ad000-2b38c78ae000 r--p 00000000 08:01 2853739                    /usr/lib/locale/en_US.utf8/LC_PAPER
2b38c78ae000-2b38c78af000 r--p 00000000 08:01 2853921                    /usr/lib/locale/en_US.utf8/LC_MESSAGES/SYS_LC_MESSAGES
2b38c78af000-2b38c78b0000 r--p 00000000 08:01 2851491                    /usr/lib/locale/en_US.utf8/LC_MONETARY
2b38c78b6000-2b38c78b7000 rw-p 2b38c78b6000 00:00 0
2b38c78b7000-2b38c7997000 r--p 00000000 08:01 2853947                    /usr/lib/locale/en_US.utf8/LC_COLLATE
2b38c7997000-2b38c7998000 r--p 00000000 08:01 2851492                    /usr/lib/locale/en_US.utf8/LC_TIME
2b38c7998000-2b38c7999000 r--p 00000000 08:01 2853928                    /usr/lib/locale/en_US.utf8/LC_NUMERIC
2b38c7999000-2b38c79d8000 r--p 00000000 08:01 2853946                    /usr/lib/locale/en_US.utf8/LC_CTYPE
2b38c79d8000-2b38c79f9000 rw-p 2b38c79d8000 00:00 0
2b38c7a9f000-2b38c7aa1000 rw-p 0001b000 08:01 378304                     /lib64/ld-2.6.1.so
2b38c7aa1000-2b38c7af3000 r-xp 00000000 08:01 376848                     /lib64/libm-2.6.1.so
2b38c7af3000-2b38c7cf2000 ---p 00052000 08:01 376848                     /lib64/libm-2.6.1.so
2b38c7cf2000-2b38c7cf4000 rw-p 00051000 08:01 376848                     /lib64/libm-2.6.1.so
2b38c7cf4000-2b38c7cf6000 r-xp 00000000 08:01 376846                     /lib64/libdl-2.6.1.so
2b38c7cf6000-2b38c7ef6000 ---p 00002000 08:01 376846                     /lib64/libdl-2.6.1.so
2b38c7ef6000-2b38c7ef8000 rw-p 00002000 08:01 376846                     /lib64/libdl-2.6.1.so
2b38c7ef8000-2b38c7f00000 r-xp 00000000 08:01 376844                     /lib64/libcrypt-2.6.1.so
2b38c7f00000-2b38c8100000 ---p 00008000 08:01 376844                     /lib64/libcrypt-2.6.1.so
2b38c8100000-2b38c8103000 rw-p 00008000 08:01 376844                     /lib64/libcrypt-2.6.1.so
2b38c8103000-2b38c8132000 rw-p 2b38c8103000 00:00 0
2b38c8132000-2b38c8147000 r-xp 00000000 08:01 376866                     /lib64/libpthread-2.6.1.so
2b38c8147000-2b38c8347000 ---p 00015000 08:01 376866                     /lib64/libpthread-2.6.1.so
2b38c8347000-2b38c8349000 rw-p 00015000 08:01 376866                     /lib64/libpthread-2.6.1.so
2b38c8349000-2b38c834d000 rw-p 2b38c8349000 00:00 0
2b38c834d000-2b38c8489000 r-xp 00000000 08:01 376840                     /lib64/libc-2.6.1.so
2b38c8489000-2b38c8688000 ---p 0013c000 08:01 376840                     /lib64/libc-2.6.1.so
2b38c8688000-2b38c868b000 r--p 0013b000 08:01 376840                     /lib64/libc-2.6.1.so
2b38c868b000-2b38c868d000 rw-p 0013e000 08:01 376840                     /lib64/libc-2.6.1.so
2b38c868d000-2b38c8694000 rw-p 2b38c868d000 00:00 0
2b38c8694000-2b38c869e000 r-xp 00000000 08:01 196730                     /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/threads/threads.so
2b38c869e000-2b38c889d000 ---p 0000a000 08:01 196730                     /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/threads/threads.so
2b38c889d000-2b38c889e000 r--p 00009000 08:01 196730                     /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/threads/threads.so
2b38c889e000-2b38c889f000 rw-p 0000a000 08:01 196730                     /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/threads/threads.so
7fffe3211000-7fffe3226000 rw-p 7fffe3211000 00:00 0                      [stack]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vdso]
Aborted