gcc-plugins: randstruct: Update code comment in relayout_struct()

Update code comment to clarify that the only element whose layout is not randomized is a proper C99 flexible-array member. This update is complementary to commit 1ee6035 ("gcc-plugins: randstruct: Only warn about true flexible arrays") Signed-off-by: "Gustavo A. R. Silva" <[email protected]> Link: https://lore.kernel.org/r/ZWJr2MWDjXLHE8ap@work Fixes: 1ee6035 ("gcc-plugins: randstruct: Only warn about true flexible arrays") Signed-off-by: Kees Cook <[email protected]>
pop-os · Nov 28, 2023 · d71f223 · d71f223
1 parent 4e86f32
commit d71f223
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -339,8 +339,7 @@ static int relayout_struct(tree type)
 
 	/*
 	 * enforce that we don't randomize the layout of the last
-	 * element of a struct if it's a 0 or 1-length array
-	 * or a proper flexible array
+	 * element of a struct if it's a proper flexible array
 	 */
 	if (is_flexible_array(newtree[num_fields - 1])) {
 		has_flexarray = true;