selinux: add __randomize_layout to selinux_audit_data

Randomize the layout of struct selinux_audit_data as suggested in [1], since it contains a pointer to struct selinux_state, an already randomized strucure. [1]: KSPP/linux#188 Signed-off-by: GONG, Ruiqi <gongruiqi1@huawei.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
gs-bluraviole · Jan 20, 2024 · 9e89d43 · 9e89d43
1 parent 1e987ec
commit 9e89d43
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
@@ -53,7 +53,7 @@ struct selinux_audit_data {
 	u32 denied;
 	int result;
 	struct selinux_state *state;
-};
+} __randomize_layout;
 
 /*
  * AVC operations