Bug #75223 [Com]: PCRE JIT broken in 7.2

Edit report at https://bugs.php.net/bug.php?id=75223&edit=1 ID: 75223 Comment by: levim@php.net Reported by: giovanni at giacobbi dot net Summary: PCRE JIT broken in 7.2 Status: Open Type: Bug Package: PCRE related Operating System: Linux CentOS 7.4.1708 PHP Version: 7.2.0RC2 Block user comment: N Private report: N New Comment: Remi, just to be sure: did you test it with Apache2 with event MPM? According to the reporter it does not occur with the command line, only with the Apache2 with event MPM SAPI. Previous Comments: ------------------------------------------------------------------------ [2017-09-18 13:45:41] remi@php.net Sorry, I cannot reproduce. $ php72 -n -i | grep PCRE PCRE (Perl Compatible Regular Expressions) Support => enabled PCRE Library Version => 8.41 2017-07-05 PCRE JIT Support => enabled $ php72 -n foo.php int(1) int(1) ------------------------------------------------------------------------ [2017-09-18 12:14:42] danack@php.net Please provide a backtrace. ------------------------------------------------------------------------ [2017-09-18 11:58:01] giovanni at giacobbi dot net Description: ------------ There is a problem in preg_match() when JIT is enabled and when running through Apache2 with event MPM. This problem does not occur with command line invocation. Here are the versions I tested, same environment: 7.1.9 works with PCRE JIT enabled 7.2.0alpha1 broken 7.2.0rc2 broken Build command line: ./configure \ --with-apxs2=/usr/local/apache2/bin/apxs \ --disable-cgi \ --enable-intl \ --with-layout=GNU \ --enable-maintainer-zts \ --with-gettext=static \ --with-iconv \ --with-mysqli=mysqlnd \ --enable-exif \ --with-openssl \ --with-curl Test script: --------------- var_dump(preg_match('/^a/', "a")); var_dump(preg_match('/a/', "a")); Expected result: ---------------- int(1) int(1) Actual result: -------------- int(0) segmentation fault ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75223&edit=1