diff options
Diffstat (limited to 'ext/standard/file.c')
| -rw-r--r-- | ext/standard/file.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ext/standard/file.c b/ext/standard/file.c index 0abc022ca6..e39c84f1cd 100644 --- a/ext/standard/file.c +++ b/ext/standard/file.c @@ -1758,6 +1758,12 @@ PHPAPI PHP_FUNCTION(fread) RETURN_FALSE; } + if (len > INT_MAX) { + /* string length is int in 5.x so we can not read more than int */ + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be no more than %d", INT_MAX); + RETURN_FALSE; + } + Z_STRVAL_P(return_value) = emalloc(len + 1); Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len); |