linux-hardening - [PATCH] gcc-plugins: Change all version strings match kernel

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Message-Id: <20220510235412.3627034-1-keescook@chromium.org>
Date:   Tue, 10 May 2022 16:54:12 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Alexander Popov <alex.popov@...ux.com>
Cc:     Kees Cook <keescook@...omium.org>, linux-hardening@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] gcc-plugins: Change all version strings match kernel

It's not meaningful for the GCC plugins to track their versions separately
from the rest of the kernel. Switch all versions to the kernel version.

Fix mismatched indenting while we're at it.

Cc: linux-hardening@...r.kernel.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 scripts/gcc-plugins/Makefile                  | 9 +++++----
 scripts/gcc-plugins/latent_entropy_plugin.c   | 2 +-
 scripts/gcc-plugins/randomize_layout_plugin.c | 2 +-
 scripts/gcc-plugins/sancov_plugin.c           | 2 +-
 scripts/gcc-plugins/stackleak_plugin.c        | 2 +-
 scripts/gcc-plugins/structleak_plugin.c       | 2 +-
 6 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile
index 148f4639cf09..6f0aecad5d67 100644
--- a/scripts/gcc-plugins/Makefile
+++ b/scripts/gcc-plugins/Makefile
@@ -28,10 +28,11 @@ GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin)
 
 plugin_cxxflags	= -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \
 		  -include $(srctree)/include/linux/compiler-version.h \
-		   -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \
-		   -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \
-		   -ggdb -Wno-narrowing -Wno-unused-variable \
-		   -Wno-format-diag
+		  -include $(objtree)/include/generated/utsrelease.h \
+		  -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \
+		  -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \
+		  -ggdb -Wno-narrowing -Wno-unused-variable \
+		  -Wno-format-diag
 
 plugin_ldflags	= -shared
 
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index 8425da41de0d..5d415b2572a8 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -82,7 +82,7 @@ __visible int plugin_is_GPL_compatible;
 static GTY(()) tree latent_entropy_decl;
 
 static struct plugin_info latent_entropy_plugin_info = {
-	.version	= "201606141920vanilla",
+	.version	= UTS_RELEASE,
 	.help		= "disable\tturn off latent entropy instrumentation\n",
 };
 
diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
index 65aee5d6d91e..ea2aea570404 100644
--- a/scripts/gcc-plugins/randomize_layout_plugin.c
+++ b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -34,7 +34,7 @@ __visible int plugin_is_GPL_compatible;
 static int performance_mode;
 
 static struct plugin_info randomize_layout_plugin_info = {
-	.version	= "201402201816vanilla",
+	.version	= UTS_RELEASE,
 	.help		= "disable\t\t\tdo not activate plugin\n"
 			  "performance-mode\tenable cacheline-aware layout randomization\n"
 };
diff --git a/scripts/gcc-plugins/sancov_plugin.c b/scripts/gcc-plugins/sancov_plugin.c
index 23bd023a283b..f3d629555b84 100644
--- a/scripts/gcc-plugins/sancov_plugin.c
+++ b/scripts/gcc-plugins/sancov_plugin.c
@@ -26,7 +26,7 @@ __visible int plugin_is_GPL_compatible;
 tree sancov_fndecl;
 
 static struct plugin_info sancov_plugin_info = {
-	.version	= "20160402",
+	.version	= UTS_RELEASE,
 	.help		= "sancov plugin\n",
 };
 
diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c
index 42f0252ee2a4..de817d54b8af 100644
--- a/scripts/gcc-plugins/stackleak_plugin.c
+++ b/scripts/gcc-plugins/stackleak_plugin.c
@@ -44,7 +44,7 @@ static bool verbose = false;
 static GTY(()) tree track_function_decl;
 
 static struct plugin_info stackleak_plugin_info = {
-	.version = "201707101337",
+	.version = UTS_RELEASE,
 	.help = "track-min-size=nn\ttrack stack for functions with a stack frame size >= nn bytes\n"
 		"arch=target_arch\tspecify target build arch\n"
 		"disable\t\tdo not activate the plugin\n"
diff --git a/scripts/gcc-plugins/structleak_plugin.c b/scripts/gcc-plugins/structleak_plugin.c
index 74e319288389..86b608a24ec0 100644
--- a/scripts/gcc-plugins/structleak_plugin.c
+++ b/scripts/gcc-plugins/structleak_plugin.c
@@ -37,7 +37,7 @@
 __visible int plugin_is_GPL_compatible;
 
 static struct plugin_info structleak_plugin_info = {
-	.version	= "20190125vanilla",
+	.version	= UTS_RELEASE,
 	.help		= "disable\tdo not activate plugin\n"
 			  "byref\tinit structs passed by reference\n"
 			  "byref-all\tinit anything passed by reference\n"
-- 
2.32.0