fix NULL deref

php · Aug 1, 2017 · ce1a0d9 · ce1a0d9
1 parent 5856bec
commit ce1a0d9
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ext/exif/exif.c b/ext/exif/exif.c
@@ -1973,11 +1973,11 @@ static void exif_error_docref(const char *docref EXIFERR_DC, const image_info_ty
 		char *buf;
 
 		spprintf(&buf, 0, "%s(%d): %s", _file, _line, format);
-		php_verror(docref, ImageInfo->FileName?ImageInfo->FileName:"", type, buf, args);
+		php_verror(docref, ImageInfo && ImageInfo->FileName ? ImageInfo->FileName:"", type, buf, args);
 		efree(buf);
 	}
 #else
-	php_verror(docref, ImageInfo->FileName?ImageInfo->FileName:"", type, format, args);
+	php_verror(docref, ImageInfo && ImageInfo->FileName ? ImageInfo->FileName:"", type, format, args);
 #endif
 	va_end(args);
 }