[php-src] Issue #20302: SEGV phar zend_string.h

Issue: https://github.com/php/php-src/issues/20302 Author: YuanchengJiang ### Description The following code: ```php <?php $fname = __DIR__ . '/' . basename(__FILE__, '.php') . '.phar'; $pname = 'phar://' . $fname; $b = new PharFileInfo($pname . '/a/subdir/here'); require_once 'files/phar_oo_test.inc'; $phar = new Phar($fname); { var_dump($ent->getATime()); } ``` Resulted in this output: ``` /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_string.h:329:2: runtime error: member access within misaligned address 0x000000000106 for type 'zend_string' (aka 'struct _zend_string'), which requires 8 byte alignment 0x000000000106: note: pointer points here <memory cannot be printed> SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_string.h:329:2 in ``` To reproduce: ``` ./php-src/sapi/cli/php -d "opcache.cache_id=worker21" -d "output_handler=" -d "open_basedir=" -d "disable_functions=" -d "output_buffering=Off" -d "error_reporting=30719" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0" -d "html_errors=0" -d "track_errors=0" -d "report_memleaks=1" -d "report_zend_debug=0" -d "docref_root=" -d "docref_ext=.html" -d "error_prepend_string=" -d "error_append_string=" -d "auto_prepend_file=" -d "auto_append_file=" -d "ignore_repeated_errors=0" -d "precision=14" -d "serialize_precision=-1" -d "memory_limit=128M" -d "opcache.fast_shutdown=0" -d "opcache.file_update_protection=2" -d "opcache.revalidate_freq=0" -d "opcache.jit_hot_loop=1" -d "opcache.jit_hot_func=1" -d "opcache.jit_hot_return=1" -d "opcache.jit_hot_side_exit=1" -d "opcache.jit_max_root_traces=100000" -d "opcache.jit_max_side_traces=100000" -d "opcache.jit_max_exit_counters=100000" -d "opcache.protect_memory=1" -d "zend.assertions=1" -d "zend.exception_ignore_args=0" -d "zend.exception_string_param_max_len=15" -d "short_open_tag=0" -d "extension_dir=/home/phpfuzz/WorkSpace/flowfusion/php-src/modules/" -d "session.auto_start=0" -d "zlib.output_compression=Off" -d "phar.require_hash=0" -d "phar.readonly=1" -d "opcache.enable=1" -d "opcache.enable_cli=1" -d "opcache.jit=1205" ./test.php ``` Commit: ``` f8656fae35d90f89f2cef6a32c7173aa0c6b27a8 ``` Configurations: ``` CC="clang-12" CXX="clang++-12" CFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" CXXFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" ./configure --enable-debug --enable-address-sanitizer --enable-undefined-sanitizer --enable-re2c-cgoto --enable-fpm --enable-litespeed --enable-phpdbg-debug --enable-zts --enable-bcmath --enable-calendar --enable-dba --enable-dl-test --enable-exif --enable-ftp --enable-gd --enable-gd-jis-conv --enable-mbstring --enable-pcntl --enable-shmop --enable-soap --enable-sockets --enable-sysvmsg --enable-zend-test --with-zlib --with-bz2 --with-curl --with-enchant --with-gettext --with-gmp --with-mhash --with-ldap --with-libedit --with-readline --with-snmp --with-sodium --with-xsl --with-zip --with-mysqli --with-pdo-mysql --with-pdo-pgsql --with-pgsql --with-sqlite3 --with-pdo-sqlite --with-webp --with-jpeg --with-freetype --enable-sigchild --with-readline --with-pcre-jit --with-iconv ``` Operating System: ``` Ubuntu 20.04 Host, Docker 0599jiangyc/flowfusion:latest ``` *This report is automatically generated by [FlowFusion](https://github.com/php/flowfusion)* ### PHP Version ```plain nightly ``` ### Operating System _No response_