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mb_output_handler crash with unset http_output_conv_mimetypes #17989
Description
Description
The following code:
<?php
ini_set('mbstring.http_output_conv_mimetypes', ''<'');
ob_start('mb_output_handler');Resulted in this output:
php: /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/pcre/php_pcre.c:909: pcre2_match_data_8 *php_pcre_create_match_data(uint32_t, pcre2_code_8 *): Assertion `NULL != re' failed.
Aborted (core dumped)
To reproduce:
./php-src/sapi/cli/php -d "zend_test.observer.enabled=1" ./test.php
Commit:
cd586623b65c86b423883eda20411634e49084ba
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
PHP Version
Operating System
No response
Activity
ndossche commentedon Mar 7, 2025
No need for zend_test, standalone:
[-]Assertion failure ext/pcre/php_pcre.c[/-][+]mb_output_handler crash with unset http_output_conv_mimetypes[/+]Fix phpGH-17989: mb_output_handler crash with unset http_output_conv_…
Fix GH-17989: mb_output_handler crash with unset http_output_conv_mim…
Merge branch 'PHP-8.3' into PHP-8.4
Merge branch 'PHP-8.4'