Thread (10 messages) 10 messages, 1 author, 2021-10-21

[PATCH AUTOSEL 4.19 01/10] gcc-plugins/structleak: add makefile var for disabling structleak

From: Sasha Levin <sashal@kernel.org>
Date: 2021-10-21 00:24:10
Also in: linux-hardening, linux-kbuild, lkml
Subsystem: gcc plugins, kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers: Kees Cook, Nathan Chancellor, Nicolas Schier, Linus Torvalds

From: Brendan Higgins <redacted>

[ Upstream commit 554afc3b9797511e3245864e32aebeb6abbab1e3 ]

KUnit and structleak don't play nice, so add a makefile variable for
enabling structleak when it complains.

Co-developed-by: Kees Cook <redacted>
Signed-off-by: Kees Cook <redacted>
Signed-off-by: Brendan Higgins <redacted>
Reviewed-by: David Gow <redacted>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/Makefile.gcc-plugins | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index 0a482f341576..93ca13e4f8f9 100644
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -17,6 +17,10 @@ gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE)	\
 		+= -fplugin-arg-structleak_plugin-verbose
 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)	\
 		+= -fplugin-arg-structleak_plugin-byref-all
+ifdef CONFIG_GCC_PLUGIN_STRUCTLEAK
+    DISABLE_STRUCTLEAK_PLUGIN += -fplugin-arg-structleak_plugin-disable
+endif
+export DISABLE_STRUCTLEAK_PLUGIN
 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)		\
 		+= -DSTRUCTLEAK_PLUGIN
 
-- 
2.33.0
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