zend_mm_heap corrupted segfault

gistfile1.txt

Core was generated by `/usr/sbin/httpd'.
Program terminated with signal 11, Segmentation fault.
#0  zend_mm_add_to_free_list (heap=<value optimized out>, mm_block=0x7f8e9aef8cc0) at /usr/src/debug/php-5.4.19/Zend/zend_alloc.c:748
748  				if (ZEND_MM_FREE_BLOCK_SIZE(prev) != size) {
(gdb) bt
#0  zend_mm_add_to_free_list (heap=<value optimized out>, mm_block=0x7f8e9aef8cc0) at /usr/src/debug/php-5.4.19/Zend/zend_alloc.c:748
#1  0x00007f8e8ed74412 in _zend_mm_free_int (heap=0x7f8e9a32d6a0, p=0x7f8e9aef8cd0) at /usr/src/debug/php-5.4.19/Zend/zend_alloc.c:2114
#2  0x00007f8e8eda6ad1 in zend_hash_destroy (ht=0x7f8e8f19ffd0) at /usr/src/debug/php-5.4.19/Zend/zend_hash.c:565
#3  0x00007f8e8ed8d173 in shutdown_executor () at /usr/src/debug/php-5.4.19/Zend/zend_execute_API.c:322
#4  0x00007f8e8ed99e52 in zend_deactivate () at /usr/src/debug/php-5.4.19/Zend/zend.c:938
#5  0x00007f8e8ed3c67c in php_request_shutdown (dummy=<value optimized out>) at /usr/src/debug/php-5.4.19/main/main.c:1803
#6  0x00007f8e8ee44037 in php_apache_request_dtor (r=0x7f8e9ac8d1a8) at /usr/src/debug/php-5.4.19/sapi/apache2handler/sapi_apache2.c:507
#7  php_handler (r=0x7f8e9ac8d1a8) at /usr/src/debug/php-5.4.19/sapi/apache2handler/sapi_apache2.c:679
#8  0x00007f8e97ea0bb0 in ap_run_handler (r=0x7f8e9ac8d1a8) at /usr/src/debug/httpd-2.2.15/server/config.c:158
#9  0x00007f8e97ea446e in ap_invoke_handler (r=0x7f8e9ac8d1a8) at /usr/src/debug/httpd-2.2.15/server/config.c:376
#10 0x00007f8e97eafb30 in ap_process_request (r=0x7f8e9ac8d1a8) at /usr/src/debug/httpd-2.2.15/modules/http/http_request.c:282
#11 0x00007f8e97eac9a8 in ap_process_http_connection (c=0x7f8e9ac80c18) at /usr/src/debug/httpd-2.2.15/modules/http/http_core.c:190
#12 0x00007f8e97ea86b8 in ap_run_process_connection (c=0x7f8e9ac80c18) at /usr/src/debug/httpd-2.2.15/server/connection.c:43
#13 0x00007f8e97eb4977 in child_main (child_num_arg=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:667
#14 0x00007f8e97eb4c8a in make_child (s=0x7f8e99ffe860, slot=6) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:763
#15 0x00007f8e97eb590c in perform_idle_server_maintenance (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:898
#16 ap_mpm_run (_pconf=<value optimized out>, plog=<value optimized out>, s=<value optimized out>) at /usr/src/debug/httpd-2.2.15/server/mpm/prefork/prefork.c:1102
#17 0x00007f8e97e8c900 in main (argc=1, argv=0x7fffb01ca148) at /usr/src/debug/httpd-2.2.15/server/main.c:760