[Thread debugging using libthread_db enabled]
[New Thread 182925685056 (LWP 18808)]
*** glibc detected *** free(): invalid pointer: 0x000000552b78fd50 ***

Program received signal SIGABRT, Aborted.
[Switching to Thread 182925685056 (LWP 18808)]
0x0000002a966252ed in raise () at ../string/bits/string2.h:1000
1000        ++__result;
(gdb) bt
#0  0x0000002a966252ed in raise () at ../string/bits/string2.h:1000
#1  0x0000002a96626a3e in abort () at ../string/bits/string2.h:1000
#2  0x0000002a96659d41 in __libc_message (do_abort=Variable "do_abort" is not available.
) at ../sysdeps/unix/sysv/linux/libc_fatal.c:145
#3  0x0000002a9665f81e in _int_free (av=0x2a96827620, mem=Variable "mem" is not available.
) at malloc.c:5525
#4  0x0000002a9665fb66 in __libc_free (mem=Variable "mem" is not available.
) at malloc.c:3404
#5  0x0000002a9a11f883 in Perl_mg_free (my_perl=0x552b0bbac0, sv=0x552b40f230) at mg.c:389
#6  0x0000002a9a137ff6 in Perl_sv_clear (my_perl=0x552b0bbac0, sv=0x552b40f230) at sv.c:5160
#7  0x0000002a9a13837d in Perl_sv_free (my_perl=0x552b0bbac0, sv=0x552b40f230) at sv.c:5371
#8  0x0000002a9a137edd in Perl_sv_clear (my_perl=0x552b0bbac0, sv=0x552b76b770) at sv.c:5223
#9  0x0000002a9a13837d in Perl_sv_free (my_perl=0x552b0bbac0, sv=0x552b76b770) at sv.c:5371
#10 0x0000002a9a11f8cc in Perl_mg_free (my_perl=0x552b0bbac0, sv=0x552b40f250) at mg.c:388
#11 0x0000002a9a137ff6 in Perl_sv_clear (my_perl=0x552b0bbac0, sv=0x552b40f250) at sv.c:5160
#12 0x0000002a9a13837d in Perl_sv_free (my_perl=0x552b0bbac0, sv=0x552b40f250) at sv.c:5371
#13 0x0000002a9a15d43c in Perl_free_tmps (my_perl=0x552b0bbac0) at scope.c:189
#14 0x0000002a99f76762 in modperl_callback () from /etc/httpd/modules/mod_perl.so
#15 0x0000002a99f76ca9 in modperl_callback_run_handlers () from /etc/httpd/modules/mod_perl.so
#16 0x0000002a99f76eff in modperl_callback_per_dir () from /etc/httpd/modules/mod_perl.so
#17 0x0000002a99f722f0 in modperl_response_finish () from /etc/httpd/modules/mod_perl.so
#18 0x0000002a99f72566 in modperl_response_handler_cgi () from /etc/httpd/modules/mod_perl.so
#19 0x000000552aac79f3 in ap_run_handler (r=0x552b1ed858) at /usr/src/debug/httpd-2.0.52/server/config.c:156
#20 0x000000552aac7eb1 in ap_invoke_handler (r=0x552b1ed858) at /usr/src/debug/httpd-2.0.52/server/config.c:368
#21 0x000000552aac4cb8 in ap_process_request (r=0x552b1ed858) at /usr/src/debug/httpd-2.0.52/modules/http/http_request.c:246
#22 0x000000552aac0089 in ap_process_http_connection (c=0x552b1e64e8) at /usr/src/debug/httpd-2.0.52/modules/http/http_core.c:250
#23 0x000000552aad1693 in ap_run_process_connection (c=0x552b1e64e8) at /usr/src/debug/httpd-2.0.52/server/connection.c:42
#24 0x000000552aac5b20 in child_main (child_num_arg=Variable "child_num_arg" is not available.
) at /usr/src/debug/httpd-2.0.52/server/mpm/prefork/prefork.c:609
#25 0x000000552aac5dbd in make_child (s=0x552ac03620, slot=0) at /usr/src/debug/httpd-2.0.52/server/mpm/prefork/prefork.c:649
#26 0x000000552aac5ea4 in startup_children (number_to_start=8) at /usr/src/debug/httpd-2.0.52/server/mpm/prefork/prefork.c:721
#27 0x000000552aac65db in ap_mpm_run (_pconf=0x552abfe138, plog=Variable "plog" is not available.
) at /usr/src/debug/httpd-2.0.52/server/mpm/prefork/prefork.c:940
#28 0x000000552aacccef in main (argc=2, argv=0x7fbffff998) at /usr/src/debug/httpd-2.0.52/server/main.c:618