com php-src: Fix bug #80523: NEWS Zend/zend_language_scanne r.l

Commit: 118ff03335d67c19817ff83d89e634fcd39275ff Author: Nikita Popov <nikita.ppv@gmail.com> Wed, 16 Dec 2020 10:16:50 +0100 Parents: 078cdd8f766051e3cd87c0c19ea728105cf16fcd Branches: PHP-7.4 PHP-8.0 master Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=118ff03335d67c19817ff83d89e634fcd39275ff Log: Fix bug #80523 Don't truncate the file length to unsigned int... I have no idea whether that fully fixes the problem because the process gets OOM killed before finishing, but at least the immediate parse error is gone now. Bugs: https://bugs.php.net/80523 Changed paths: M NEWS M Zend/zend_language_scanner.l Diff: diff --git a/NEWS b/NEWS index 2d89d66773f..a62d492d0d0 100644 --- a/NEWS +++ b/NEWS @@ -2,7 +2,8 @@ PHP NEWS ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ?? ??? 2021, PHP 7.4.15 - +- Core: + . Fixed bug #80523 (bogus parse error on >4GB source code). (Nikita) 07 Jan 2021, PHP 7.4.14 diff --git a/Zend/zend_language_scanner.l b/Zend/zend_language_scanner.l index 3cb739330a6..0d515ca9015 100644 --- a/Zend/zend_language_scanner.l +++ b/Zend/zend_language_scanner.l @@ -177,7 +177,7 @@ static void yy_pop_state(void) zend_stack_del_top(&SCNG(state_stack)); } -static void yy_scan_buffer(char *str, unsigned int len) +static void yy_scan_buffer(char *str, size_t len) { YYCURSOR = (YYCTYPE*)str; YYLIMIT = YYCURSOR + len; @@ -554,7 +554,7 @@ ZEND_API int open_file_for_scanning(zend_file_handle *file_handle) } } SCNG(yy_start) = (unsigned char *)buf; - yy_scan_buffer(buf, (unsigned int)size); + yy_scan_buffer(buf, size); } else { zend_error_noreturn(E_COMPILE_ERROR, "zend_stream_mmap() failed"); } @@ -722,7 +722,7 @@ ZEND_API int zend_prepare_string_for_scanning(zval *str, char *filename) } } - yy_scan_buffer(buf, (unsigned int)size); + yy_scan_buffer(buf, size); new_compiled_filename = zend_string_init(filename, strlen(filename), 0); zend_set_compiled_filename(new_compiled_filename);