diff mbox

[14/18] randstruct: Disable randomization of ACPICA structs

Message ID 1491513513-84351-15-git-send-email-keescook@chromium.org (mailing list archive)
State New, archived
Headers show

Commit Message

Kees Cook April 6, 2017, 9:18 p.m. UTC 
Since the ACPICA source is maintained externally to the kernel, we can
neither switch it to designated initializers nor mark it
__no_randomize_layout. Until ACPICA-upstream changes land to handle the
designated initialization, explicitly skip it in the plugin.

Signed-off-by: Kees Cook <keescook@chromium.org>
---
 scripts/gcc-plugins/randomize_layout_plugin.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
index a2d7e933c33f..cbde695e392a 100644
--- a/scripts/gcc-plugins/randomize_layout_plugin.c
+++ b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -329,6 +329,10 @@  static int relayout_struct(tree type)
 	    !strcmp((const char *)ORIG_TYPE_NAME(type), "RAWPCIFACTORY"))
 		return 0;
 
+	/* Skip ACPICA structs until refreshed with designated_init. */
+	if (!strcmp((const char *)ORIG_TYPE_NAME(type), "acpi_sleep_functions"))
+		return 0;
+
 	/* throw out any structs in uapi */
 	xloc = expand_location(DECL_SOURCE_LOCATION(TYPE_FIELDS(type)));