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Message-Id: <1491513513-84351-16-git-send-email-keescook@chromium.org>
Date: Thu, 6 Apr 2017 14:18:30 -0700
From: Kees Cook <keescook@...omium.org>
To: kernel-hardening@...ts.openwall.com
Cc: Kees Cook <keescook@...omium.org>,
Michael Leibowitz <michael.leibowitz@...el.com>
Subject: [PATCH 15/18] randstruct: Enable function pointer struct detection
With prior patches landed that clean up structure initialization, it is
now possible to enable CONFIG_GCC_PLUGIN_RANDSTRUCT's detection and
randomization of structures that contain only function pointers.
Signed-off-by: Kees Cook <keescook@...omium.org>
---
scripts/gcc-plugins/randomize_layout_plugin.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
index cbde695e392a..716bb877b3fd 100644
--- a/scripts/gcc-plugins/randomize_layout_plugin.c
+++ b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -420,9 +420,6 @@ static int is_pure_ops_struct(const_tree node)
gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE);
- /* XXX: Do not apply randomization to all-ftpr structs yet. */
- return 0;
-
for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) {
const_tree fieldtype = get_field_type(field);
enum tree_code code = TREE_CODE(fieldtype);
--
2.7.4
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