[php-src] Issue #8793: Segmentation fault

Issue: https://github.com/php/php-src/issues/8793 Author: yatsukhnenko ### Description Unfortunately I don't have steps to reproduce ``` #0 __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f269d31413f in skgesigOSCrash () from /opt/oracle/instantclient_21_6/libclntsh.so.21.1 #2 0x00007f269d9ee3dd in kpeDbgSignalHandler () from /opt/oracle/instantclient_21_6/libclntsh.so.21.1 #3 0x00007f269d314422 in skgesig_sigactionHandler () from /opt/oracle/instantclient_21_6/libclntsh.so.21.1 #4 <signal handler called> #5 0x0000559eced41a11 in zend_mm_alloc_small (heap=0x7f26a0600040, bin_num=7, __zend_filename=0x559ecf1480e8 "/usr/src/php/Zend/zend_string.h", __zend_lineno=136, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /usr/src/php/Zend/zend_alloc.c:1255 #6 0x0000559eced41cb5 in zend_mm_alloc_heap (heap=0x7f26a0600040, size=64, __zend_filename=0x559ecf1480e8 "/usr/src/php/Zend/zend_string.h", __zend_lineno=136, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /usr/src/php/Zend/zend_alloc.c:1326 #7 0x0000559eced449cd in _emalloc (size=32, __zend_filename=0x559ecf1480e8 "/usr/src/php/Zend/zend_string.h", __zend_lineno=136, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /usr/src/php/Zend/zend_alloc.c:2539 #8 0x0000559ece97d436 in zend_string_alloc (len=4, persistent=0) at /usr/src/php/Zend/zend_string.h:136 #9 0x0000559ece97d57e in zend_string_init (str=0x7f26a0663eb4 "info,cd", len=4, persistent=0) at /usr/src/php/Zend/zend_string.h:158 #10 0x0000559ece98029d in populate_match_value_str (val=0x7ffe5c674e40, subject=0x7f26a0663e88 "ID,pay_id,FK_transaction,pay_account,status,info,cd", start_offset=44, end_offset=48) at /usr/src/php/ext/pcre/php_pcre.c:990 #11 0x0000559ece9868b0 in php_pcre_split_impl (pce=0x559ed129a910, subject_str=0x7f26a0663e70, return_value=0x7f26a0614ad0, limit_val=-1, flags=1) at /usr/src/php/ext/pcre/php_pcre.c:2620 #12 0x0000559ece986560 in zif_preg_split (execute_data=0x7f26a0614af0, return_value=0x7f26a0614ad0) at /usr/src/php/ext/pcre/php_pcre.c:2527 #13 0x0000559ecedf35a7 in ZEND_DO_ICALL_SPEC_RETVAL_USED_HANDLER () at /usr/src/php/Zend/zend_vm_execute.h:1314 #14 0x0000559ecee5e2e8 in execute_ex (ex=0x7f26a0614020) at /usr/src/php/Zend/zend_vm_execute.h:53501 #15 0x0000559ecee62427 in zend_execute (op_array=0x7f26a065a200, return_value=0x0) at /usr/src/php/Zend/zend_vm_execute.h:57617 #16 0x0000559eced80148 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/php/Zend/zend.c:1679 #17 0x0000559ececdf16c in php_execute_script (primary_file=0x7ffe5c6775c0) at /usr/src/php/main/main.c:2674 #18 0x0000559ecee757b3 in main (argc=1, argv=0x7ffe5c677a48) at /usr/src/php/sapi/fpm/fpm/fpm_main.c:1940 ``` ### PHP Version PHP 7.4.30 ### Operating System Debian GNU/Linux 11 (bullseye)