Description:
------------
This crash happens only with file_cache enable and when uploading a file in WordPress:



Core was generated by `lsphp:ple.com/public_'.
Program terminated with signal 11, Segmentation fault.
#0  zend_string_release (ht=0x7f55abc02000, apply_func=0x86f9e0 <zend_restore_ini_entry_wrapper>) at /usr/local/src/php-7.0.1/Zend/zend_string.h:269
269		if (!ZSTR_IS_INTERNED(s)) {
Missing separate debuginfos, use: debuginfo-install audit-libs-2.3.7-5.el6.x86_64 bzip2-libs-1.0.5-7.el6_0.x86_64 cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 freetds-0.91-2.el6.x86_64 freetype-2.3.11-15.el6_6.1.x86_64 glibc-2.12-1.166.el6_7.3.x86_64 gmp-4.3.1-7.el6_2.2.x86_64 gnutls-2.8.5-19.el6_7.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-42.el6.x86_64 libc-client-2007e-11.el6.x86_64 libcom_err-1.41.12-22.el6.x86_64 libcurl-7.19.7-46.el6.x86_64 libgcc-4.4.7-16.el6.x86_64 libgcrypt-1.4.5-11.el6_4.x86_64 libgpg-error-1.7-4.el6.x86_64 libicu-4.2.1-12.el6.x86_64 libidn-1.18-2.el6.x86_64 libjpeg-turbo-1.2.1-3.el6_5.x86_64 libmcrypt-2.5.8-9.el6.x86_64 libpng-1.2.49-2.el6_7.x86_64 libselinux-2.0.94-5.8.el6.x86_64 libssh2-1.4.2-1.el6_6.1.x86_64 libstdc++-4.4.7-16.el6.x86_64 libtasn1-2.3-6.el6_5.x86_64 libtool-ltdl-2.2.6-15.5.el6.x86_64 libxml2-2.7.6-20.el6_7.1.x86_64 libxslt-1.1.26-2.el6_3.1.x86_64 nspr-4.10.8-2.el6_7.x86_64 nss-3.19.1-8.el6_7.x86_64 nss-softokn-freebl-3.14.3-23.el6_7.x86_64 nss-util-3.19.1-2.el6_7.x86_64 openldap-2.4.40-7.el6_7.x86_64 openssl-1.0.1e-42.el6_7.2.x86_64 pam-1.1.1-20.el6_7.1.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0  zend_string_release (ht=0x7f55abc02000, apply_func=0x86f9e0 <zend_restore_ini_entry_wrapper>) at /usr/local/src/php-7.0.1/Zend/zend_string.h:269
#1  _zend_hash_del_el_ex (ht=0x7f55abc02000, apply_func=0x86f9e0 <zend_restore_ini_entry_wrapper>) at /usr/local/src/php-7.0.1/Zend/zend_hash.c:986
#2  _zend_hash_del_el (ht=0x7f55abc02000, apply_func=0x86f9e0 <zend_restore_ini_entry_wrapper>) at /usr/local/src/php-7.0.1/Zend/zend_hash.c:1016
#3  zend_hash_apply (ht=0x7f55abc02000, apply_func=0x86f9e0 <zend_restore_ini_entry_wrapper>) at /usr/local/src/php-7.0.1/Zend/zend_hash.c:1503
#4  0x0000000000870300 in zend_ini_deactivate () at /usr/local/src/php-7.0.1/Zend/zend_ini.c:142
#5  0x0000000000854e1d in zend_deactivate () at /usr/local/src/php-7.0.1/Zend/zend.c:990
#6  0x00000000007f8332 in php_request_shutdown (dummy=<value optimized out>) at /usr/local/src/php-7.0.1/main/main.c:1810
#7  0x00000000008e9cc7 in lsapi_module_main (show_source=<value optimized out>) at /usr/local/src/php-7.0.1/sapi/litespeed/lsapi_main.c:576
#8  0x00000000008e9e8c in processReq () at /usr/local/src/php-7.0.1/sapi/litespeed/lsapi_main.c:644
#9  0x00000000008ea0c5 in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/local/src/php-7.0.1/sapi/litespeed/lsapi_main.c:1091