Bug #73769 [Opn->Fbk]: Segfault in preg_match_all

Edit report at https://bugs.php.net/bug.php?id=73769&edit=1 ID: 73769 Updated by: cmb@php.net Reported by: mozer624 at gmail dot com Summary: Segfault in preg_match_all -Status: Open +Status: Feedback Type: Bug Package: *Regular Expressions Operating System: macOS 10.12 PHP Version: 5.6.29 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: I cannot reproduce the segfault with PHP 7.3. Can you reproduce it with any of the actively supported versions[1]? If so, please provide the version of libpcre (PCRE_VERSION), and also a backtrace[2]. [1] <https://www.php.net/supported-versions.php> [2] <http://bugs.php.net/bugs-generating-backtrace.php> Previous Comments: ------------------------------------------------------------------------ [2016-12-17 02:28:55] mozer624 at gmail dot com Description: ------------ preg_match_all causes a Segmentation fault: 11. Test script: --------------- <?php $pattern = "/^(?P<file>.+?):(?P<line>.+?):(?P<char>.+?): (?P<severity>warning|error): (?P<message>.*) \[(?P<name>.+?)?\]\n(original=\[\[(?P<original>(.|\n)*?)\]\]\nreplacement=\[\[(?P<replacement>(.|\n)*?)\]\])?/m"; $output = <<<EOT x/x/x.m:520:-8549: error: Using arrayWithObjects:, use @[] instead [Array_With_Objects] original=[[[NSArray arrayWithObjects: [NSValue valueWithCGPoint:CGPointMake(1.02, 0.542)], [NSValue valueWithCGPoint:CGPointMake(1.73, 0.71)], [NSValue valueWithCGPoint:CGPointMake(2.44, 0.708)], [NSValue valueWithCGPoint:CGPointMake(3.24, 0.808)], [NSValue valueWithCGPoint:CGPointMake(3.71, 0.47)], [NSValue valueWithCGPoint:CGPointMake(4.23, 0.514)], [NSValue valueWithCGPoint:CGPointMake(4.8, 0.572)], [NSValue valueWithCGPoint:CGPointMake(5.3, 0.504)], [NSValue valueWithCGPoint:CGPointMake(6.08, 0.776)], [NSValue valueWithCGPoint:CGPointMake(6.7, 0.616)], [NSValue valueWithCGPoint:CGPointMake(7.23, 0.53)], [NSValue valueWithCGPoint:CGPointMake(7.77, 0.542)], [NSValue valueWithCGPoint:CGPointMake(8.35, 0.582)], [NSValue valueWithCGPoint:CGPointMake(9.01, 0.656)], [NSValue valueWithCGPoint:CGPointMake(9.66, 0.658)], [NSValue valueWithCGPoint:CGPointMake(10.3, 0.624)], [NSValue valueWithCGPoint:CGPointMake(11.2, 0.93)], [NSValue valueWithCGPoint:CGPointMake(11.9, 0.65)], [NSValue valueWithCGPoint:CGPointMake(12.4, 0.54)], [NSValue valueWithCGPoint:CGPointMake(13.1, 0.646)], [NSValue valueWithCGPoint:CGPointMake(13.7, 0.678)], [NSValue valueWithCGPoint:CGPointMake(14.2, 0.464)], [NSValue valueWithCGPoint:CGPointMake(14.8, 0.582)], [NSValue valueWithCGPoint:CGPointMake(15.3, 0.486)], [NSValue valueWithCGPoint:CGPointMake(15.7, 0.446)], [NSValue valueWithCGPoint:CGPointMake(16.4, 0.656)], [NSValue valueWithCGPoint:CGPointMake(16.8, 0.472)], [NSValue valueWithCGPoint:CGPointMake(17.5, 0.634)], [NSValue valueWithCGPoint:CGPointMake(18.0, 0.524)], [NSValue valueWithCGPoint:CGPointMake(18.7, 0.742)], [NSValue valueWithCGPoint:CGPointMake(19.4, 0.682)], [NSValue valueWithCGPoint:CGPointMake(19.9, 0.498)], [NSValue valueWithCGPoint:CGPointMake(20.4, 0.528)], [NSValue valueWithCGPoint:CGPointMake(21.2, 0.776)], [NSValue valueWithCGPoint:CGPointMake(21.7, 0.51)], [NSValue valueWithCGPoint:CGPointMake(22.2, 0.464)], [NSValue valueWithCGPoint:CGPointMake(22.7, 0.524)], [NSValue valueWithCGPoint:CGPointMake(23.3, 0.592)], [NSValue valueWithCGPoint:CGPointMake(23.8, 0.536)], [NSValue valueWithCGPoint:CGPointMake(24.4, 0.558)], [NSValue valueWithCGPoint:CGPointMake(25.2, 0.838)], [NSValue valueWithCGPoint:CGPointMake(25.8, 0.556)], [NSValue valueWithCGPoint:CGPointMake(26.4, 0.55)], [NSValue valueWithCGPoint:CGPointMake(27.0, 0.672)], [NSValue valueWithCGPoint:CGPointMake(27.8, 0.766)], [NSValue valueWithCGPoint:CGPointMake(28.4, 0.652)], [NSValue valueWithCGPoint:CGPointMake(29.1, 0.61)], [NSValue valueWithCGPoint:CGPointMake(30.2, 1.19)], [NSValue valueWithCGPoint:CGPointMake(30.8, 0.598)], [NSValue valueWithCGPoint:CGPointMake(31.5, 0.696)], [NSValue valueWithCGPoint:CGPointMake(32.0, 0.428)], [NSValue valueWithCGPoint:CGPointMake(32.6, 0.632)], [NSValue valueWithCGPoint:CGPointMake(33.4, 0.766)], [NSValue valueWithCGPoint:CGPointMake(34.2, 0.838)], [NSValue valueWithCGPoint:CGPointMake(34.9, 0.728)], [NSValue valueWithCGPoint:CGPointMake(35.5, 0.608)], [NSValue valueWithCGPoint:CGPointMake(36.0, 0.44)], [NSValue valueWithCGPoint:CGPointMake(36.8, 0.854)], [NSValue valueWithCGPoint:CGPointMake(37.3, 0.476)], [NSValue valueWithCGPoint:CGPointMake(38.0, 0.686)], [NSValue valueWithCGPoint:CGPointMake(38.5, 0.482)], [NSValue valueWithCGPoint:CGPointMake(39.0, 0.574)], [NSValue valueWithCGPoint:CGPointMake(39.7, 0.664)], [NSValue valueWithCGPoint:CGPointMake(40.2, 0.504)], [NSValue valueWithCGPoint:CGPointMake(41.1, 0.878)], [NSValue valueWithCGPoint:CGPointMake(41.6, 0.552)], [NSValue valueWithCGPoint:CGPointMake(42.5, 0.804)], [NSValue valueWithCGPoint:CGPointMake(43.0, 0.536)], [NSValue valueWithCGPoint:CGPointMake(43.5, 0.486)], [NSValue valueWithCGPoint:CGPointMake(44.1, 0.586)], [NSValue valueWithCGPoint:CGPointMake(44.6, 0.494)], [NSValue valueWithCGPoint:CGPointMake(45.4, 0.892)], [NSValue valueWithCGPoint:CGPointMake(46.0, 0.532)], [NSValue valueWithCGPoint:CGPointMake(46.5, 0.572)], [NSValue valueWithCGPoint:CGPointMake(47.1, 0.592)], [NSValue valueWithCGPoint:CGPointMake(47.8, 0.684)], [NSValue valueWithCGPoint:CGPointMake(48.4, 0.58)], [NSValue valueWithCGPoint:CGPointMake(48.9, 0.474)], [NSValue valueWithCGPoint:CGPointMake(49.5, 0.648)], [NSValue valueWithCGPoint:CGPointMake(50.1, 0.554)], [NSValue valueWithCGPoint:CGPointMake(50.6, 0.476)], [NSValue valueWithCGPoint:CGPointMake(51.2, 0.602)], [NSValue valueWithCGPoint:CGPointMake(51.8, 0.686)], [NSValue valueWithCGPoint:CGPointMake(52.4, 0.6)], [NSValue valueWithCGPoint:CGPointMake(53.1, 0.632)], [NSValue valueWithCGPoint:CGPointMake(53.6, 0.556)], [NSValue valueWithCGPoint:CGPointMake(54.1, 0.514)], [NSValue valueWithCGPoint:CGPointMake(54.8, 0.62)], [NSValue valueWithCGPoint:CGPointMake(55.3, 0.58)], [NSValue valueWithCGPoint:CGPointMake(56.0, 0.642)], [NSValue valueWithCGPoint:CGPointMake(56.7, 0.742)], [NSValue valueWithCGPoint:CGPointMake(57.5, 0.76)], [NSValue valueWithCGPoint:CGPointMake(58.1, 0.57)], [NSValue valueWithCGPoint:CGPointMake(58.5, 0.478)], [NSValue valueWithCGPoint:CGPointMake(59.2, 0.652)], [NSValue valueWithCGPoint:CGPointMake(59.7, 0.558)], nil]]] replacement=[[@[ [NSValue valueWithCGPoint:CGPointMake(1.02, 0.542)], [NSValue valueWithCGPoint:CGPointMake(1.73, 0.71)], [NSValue valueWithCGPoint:CGPointMake(2.44, 0.708)], [NSValue valueWithCGPoint:CGPointMake(3.24, 0.808)], [NSValue valueWithCGPoint:CGPointMake(3.71, 0.47)], [NSValue valueWithCGPoint:CGPointMake(4.23, 0.514)], [NSValue valueWithCGPoint:CGPointMake(4.8, 0.572)], [NSValue valueWithCGPoint:CGPointMake(5.3, 0.504)], [NSValue valueWithCGPoint:CGPointMake(6.08, 0.776)], [NSValue valueWithCGPoint:CGPointMake(6.7, 0.616)], [NSValue valueWithCGPoint:CGPointMake(7.23, 0.53)], [NSValue valueWithCGPoint:CGPointMake(7.77, 0.542)], [NSValue valueWithCGPoint:CGPointMake(8.35, 0.582)], [NSValue valueWithCGPoint:CGPointMake(9.01, 0.656)], [NSValue valueWithCGPoint:CGPointMake(9.66, 0.658)], [NSValue valueWithCGPoint:CGPointMake(10.3, 0.624)], [NSValue valueWithCGPoint:CGPointMake(11.2, 0.93)], [NSValue valueWithCGPoint:CGPointMake(11.9, 0.65)], [NSValue valueWithCGPoint:CGPointMake(12.4, 0.54)], [NSValue valueWithCGPoint:CGPointMake(13.1, 0.646)], [NSValue valueWithCGPoint:CGPointMake(13.7, 0.678)], [NSValue valueWithCGPoint:CGPointMake(14.2, 0.464)], [NSValue valueWithCGPoint:CGPointMake(14.8, 0.582)], [NSValue valueWithCGPoint:CGPointMake(15.3, 0.486)], [NSValue valueWithCGPoint:CGPointMake(15.7, 0.446)], [NSValue valueWithCGPoint:CGPointMake(16.4, 0.656)], [NSValue valueWithCGPoint:CGPointMake(16.8, 0.472)], [NSValue valueWithCGPoint:CGPointMake(17.5, 0.634)], [NSValue valueWithCGPoint:CGPointMake(18.0, 0.524)], [NSValue valueWithCGPoint:CGPointMake(18.7, 0.742)], [NSValue valueWithCGPoint:CGPointMake(19.4, 0.682)], [NSValue valueWithCGPoint:CGPointMake(19.9, 0.498)], [NSValue valueWithCGPoint:CGPointMake(20.4, 0.528)], [NSValue valueWithCGPoint:CGPointMake(21.2, 0.776)], [NSValue valueWithCGPoint:CGPointMake(21.7, 0.51)], [NSValue valueWithCGPoint:CGPointMake(22.2, 0.464)], [NSValue valueWithCGPoint:CGPointMake(22.7, 0.524)], [NSValue valueWithCGPoint:CGPointMake(23.3, 0.592)], [NSValue valueWithCGPoint:CGPointMake(23.8, 0.536)], [NSValue valueWithCGPoint:CGPointMake(24.4, 0.558)], [NSValue valueWithCGPoint:CGPointMake(25.2, 0.838)], [NSValue valueWithCGPoint:CGPointMake(25.8, 0.556)], [NSValue valueWithCGPoint:CGPointMake(26.4, 0.55)], [NSValue valueWithCGPoint:CGPointMake(27.0, 0.672)], [NSValue valueWithCGPoint:CGPointMake(27.8, 0.766)], [NSValue valueWithCGPoint:CGPointMake(28.4, 0.652)], [NSValue valueWithCGPoint:CGPointMake(29.1, 0.61)], [NSValue valueWithCGPoint:CGPointMake(30.2, 1.19)], [NSValue valueWithCGPoint:CGPointMake(30.8, 0.598)], [NSValue valueWithCGPoint:CGPointMake(31.5, 0.696)], [NSValue valueWithCGPoint:CGPointMake(32.0, 0.428)], [NSValue valueWithCGPoint:CGPointMake(32.6, 0.632)], [NSValue valueWithCGPoint:CGPointMake(33.4, 0.766)], [NSValue valueWithCGPoint:CGPointMake(34.2, 0.838)], [NSValue valueWithCGPoint:CGPointMake(34.9, 0.728)], [NSValue valueWithCGPoint:CGPointMake(35.5, 0.608)], [NSValue valueWithCGPoint:CGPointMake(36.0, 0.44)], [NSValue valueWithCGPoint:CGPointMake(36.8, 0.854)], [NSValue valueWithCGPoint:CGPointMake(37.3, 0.476)], [NSValue valueWithCGPoint:CGPointMake(38.0, 0.686)], [NSValue valueWithCGPoint:CGPointMake(38.5, 0.482)], [NSValue valueWithCGPoint:CGPointMake(39.0, 0.574)], [NSValue valueWithCGPoint:CGPointMake(39.7, 0.664)], [NSValue valueWithCGPoint:CGPointMake(40.2, 0.504)], [NSValue valueWithCGPoint:CGPointMake(41.1, 0.878)], [NSValue valueWithCGPoint:CGPointMake(41.6, 0.552)], [NSValue valueWithCGPoint:CGPointMake(42.5, 0.804)], [NSValue valueWithCGPoint:CGPointMake(43.0, 0.536)], [NSValue valueWithCGPoint:CGPointMake(43.5, 0.486)], [NSValue valueWithCGPoint:CGPointMake(44.1, 0.586)], [NSValue valueWithCGPoint:CGPointMake(44.6, 0.494)], [NSValue valueWithCGPoint:CGPointMake(45.4, 0.892)], [NSValue valueWithCGPoint:CGPointMake(46.0, 0.532)], [NSValue valueWithCGPoint:CGPointMake(46.5, 0.572)], [NSValue valueWithCGPoint:CGPointMake(47.1, 0.592)], [NSValue valueWithCGPoint:CGPointMake(47.8, 0.684)], [NSValue valueWithCGPoint:CGPointMake(48.4, 0.58)], [NSValue valueWithCGPoint:CGPointMake(48.9, 0.474)], [NSValue valueWithCGPoint:CGPointMake(49.5, 0.648)], [NSValue valueWithCGPoint:CGPointMake(50.1, 0.554)], [NSValue valueWithCGPoint:CGPointMake(50.6, 0.476)], [NSValue valueWithCGPoint:CGPointMake(51.2, 0.602)], [NSValue valueWithCGPoint:CGPointMake(51.8, 0.686)], [NSValue valueWithCGPoint:CGPointMake(52.4, 0.6)], [NSValue valueWithCGPoint:CGPointMake(53.1, 0.632)], [NSValue valueWithCGPoint:CGPointMake(53.6, 0.556)], [NSValue valueWithCGPoint:CGPointMake(54.1, 0.514)], [NSValue valueWithCGPoint:CGPointMake(54.8, 0.62)], [NSValue valueWithCGPoint:CGPointMake(55.3, 0.58)], [NSValue valueWithCGPoint:CGPointMake(56.0, 0.642)], [NSValue valueWithCGPoint:CGPointMake(56.7, 0.742)], [NSValue valueWithCGPoint:CGPointMake(57.5, 0.76)], [NSValue valueWithCGPoint:CGPointMake(58.1, 0.57)], [NSValue valueWithCGPoint:CGPointMake(58.5, 0.478)], [NSValue valueWithCGPoint:CGPointMake(59.2, 0.652)], [NSValue valueWithCGPoint:CGPointMake(59.7, 0.558)]]]] EOT; $matches = null; var_dump(preg_match_all($pattern, $output, $matches, PREG_SET_ORDER)); var_dump($matches); ?> Expected result: ---------------- No seg fault and actually a match with the regex. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=73769&edit=1