Add a hint about gcc plugins support

[kconfig-hardened-check.git] / README.md

diff --git a/README.md b/README.md
index fe20cfe3391721ba8bab8495a9631c6eca9ea0cd..95cd7013b712d7924db0a2aaf3dae16402e1edbe 100644 (file)
--- a/README.md
+++ b/README.md
@@ -43,7 +43,6 @@ optional arguments:
   CONFIG_RETPOLINE                       |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_X86_64                          |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_STRICT_KERNEL_RWX               |      y      | ubuntu18 |  self_protection   ||             OK             
-  CONFIG_STRICT_MODULE_RWX               |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_DEBUG_WX                        |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_RANDOMIZE_BASE                  |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_RANDOMIZE_MEMORY                |      y      | ubuntu18 |  self_protection   ||             OK             
@@ -56,6 +55,7 @@ optional arguments:
   CONFIG_SLAB_FREELIST_RANDOM            |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_HARDENED_USERCOPY               |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_FORTIFY_SOURCE                  |      y      | ubuntu18 |  self_protection   ||             OK             
+  CONFIG_STRICT_MODULE_RWX               |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_MODULE_SIG                      |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_MODULE_SIG_ALL                  |      y      | ubuntu18 |  self_protection   ||             OK             
   CONFIG_MODULE_SIG_SHA512               |      y      | ubuntu18 |  self_protection   ||             OK             
@@ -130,11 +130,16 @@ optional arguments:
   CONFIG_BPF_JIT                         | is not set  |    my    | cut_attack_surface ||         FAIL: "y"          
   CONFIG_BPF_SYSCALL                     | is not set  |    my    | cut_attack_surface ||         FAIL: "y"          
   CONFIG_ARCH_MMAP_RND_BITS              |     32      |    my    |userspace_protection||         FAIL: "28"         
-  CONFIG_LKDTM                           |      m      |    my    |    feature_test    ||     FAIL: "is not set"     
 
-[-] config check is NOT PASSED: 52 errors
+[-] config check is NOT PASSED: 51 errors
 ```
 
+
+N.B. If `CONFIG_GCC_PLUGIN*` options are automatically disabled during your kernel compilation,
+that means that your gcc doesn't support plugins. For example, if you have `gcc-7` on Ubuntu,
+try to install `gcc-7-plugin-dev` package, it should help.
+
+
 __Go and fix them all!__
 
 [1]: http://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings