Bug #80118 [NEW]: Enabled pcre.jit gives different matches results than disabled pcre.jit

From: zhiyangleecn at gmail dot com Operating system: Any PHP version: 7.4.10 Package: PCRE related Bug Type: Bug Bug description:Enabled pcre.jit gives different matches results than disabled pcre.jit Description: ------------ The regular expression ~[^/p{Han}/p{Z}]~u will match a single character not present in the list below: -Any characters in the Han script. -Any kind of whitespace or invisible separator In fact, when pcre.jit is enabled, this regular expression will match a whitespace, which may be an incorrect match. pcre: PCRE (Perl Compatible Regular Expressions) Support => enabled PCRE Library Version => 10.34 2019-11-21 PCRE Unicode Version => 12.1.0 PCRE JIT Support => enabled PCRE JIT Target => x86 64bit (little endian + unaligned) Directive => Local Value => Master Value pcre.backtrack_limit => 1000000 => 1000000 pcre.jit => 1 => 1 pcre.recursion_limit => 100000 => 100000 Test script: --------------- pcre_jit_off.php: <?php ini_set('pcre.jit', 0); preg_match('~[^\p{Han}\p{Z}]~u', ' ', $matches); var_dump($matches); pcre_jit_on.php: <?php ini_set('pcre.jit', 1); preg_match('~[^\p{Han}\p{Z}]~u', ' ', $matches); var_dump($matches); Expected result: ---------------- pcre_jit_off.php: array(0) { } pcre_jit_on.php: array(0) { } Actual result: -------------- pcre_jit_off.php: array(0) { } pcre_jit_on.php: array(1) { [0]=> string(1) " " } -- Edit bug report at https://bugs.php.net/bug.php?id=80118&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80118&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80118&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80118&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80118&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80118&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80118&r=support Expected behavior: https://bugs.php.net/fix.php?id=80118&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80118&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80118&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80118&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80118&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80118&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80118&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80118&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80118&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80118&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80118&r=mysqlcfg