#21615 [Fbk->Ver]: PCRE segfault with (very) large string.

ID: 21615 Updated by: iliaa@php.net Reported By: olivier.gondouin@planet-service.fr -Status: Feedback +Status: Verified Bug Type: Reproducible crash Operating System: GNU/linux PHP Version: 4.3.0 New Comment: The actual crash occurs inside the pcrelib, so it could pcre related, but since I am unable to replicate the crash using pcre command line tools it maybe PHP related after all. Previous Comments: ------------------------------------------------------------------------ [2003-01-13 10:56:27] olivier.gondouin@planet-service.fr oops: http://planet-service.fr/test2.txt.gz ------------------------------------------------------------------------ [2003-01-13 10:55:35] olivier.gondouin@planet-service.fr I'm really sorry: http://planet-service.fr/test2.php.gz ------------------------------------------------------------------------ [2003-01-13 09:53:25] iliaa@php.net Cannot download the test script due to what appears to be a parse error. Could you please make the file avaliable as text (.txt). ------------------------------------------------------------------------ [2003-01-13 07:51:41] olivier.gondouin@planet-service.fr PCRE segfault on a big regular expression on a really big string (>17490 chars) special parameters in php.ini file: memory_limit = 64M test script: http://planet-service.fr/test2.php.gz this script test a substring of the crashing string. a loop do the test with this substring, and increase the size of the string at each step and print out the size. I put 17490 as starting size as that crash at 17491. The parameters at at the end of the script (after the string itself). compilation options: ./configure --prefix=/opt/php-4.3.0 --with-apache=../apache_1.3.27 --with-config-file-path=/opt/php-4.3.0/lib --enable-calendar --enable-track-vars --enable-ftp --with-readline --with-imap=/opt/c-client --with-openssl=/opt/openssl --with -gdbm=/usr --with-mysql=/opt/mysql --with-pgsql=/opt/postgresql --enable-trans-sid -with-regex=php --enable-sysvsem --enable-sysvshm --enable-memory-limit --enable-debug=no --with-ttf=/opt/freetype --with-t1lib=/opt/t1lib --with-xml --enable-sockets --with-jpeg-dir=/opt/jpeg --with-tiff-dir=/opt/tiff --with-png-dir=/opt/libpng --with-zlib-dir=/opt/zlib --with-gd --enable-gd-native-ttf --enable-exif --with-pdflib=/opt/pdflib --enable-bcmath --with-ming=/opt/ming --with-bz2=/opt/bzip2 --with-zlib --with-dom=/opt/libxml2 --with-dom-xslt=/opt/libxslt --with-dom-exslt=/opt/libxslt --enable-xslt --with-xslt-sablot=/opt/sablotron --with-expat-dir=/opt/expat --with-ldap=/opt/openldap --with-mcal=/opt/libmcal --with-curl=/opt/curl-7.10.2 --with-iconv=/opt/libiconv --enable-mbstring --with-zip=/opt/zziplib Olivier ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=21615&edit=1