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gcc-plugins/stackleak: Don't instrument itself
authorAlexander Popov <alex.popov@linux.com>
Wed, 24 Jun 2020 12:33:26 +0000 (15:33 +0300)
committerKees Cook <keescook@chromium.org>
Wed, 24 Jun 2020 14:48:13 +0000 (07:48 -0700)
There is no need to try instrumenting functions in kernel/stackleak.c.
Otherwise that can cause issues if the cleanup pass of stackleak gcc plugin
is disabled.

Signed-off-by: Alexander Popov <alex.popov@linux.com>
Link: https://lore.kernel.org/r/20200624123330.83226-2-alex.popov@linux.com
Signed-off-by: Kees Cook <keescook@chromium.org>
kernel/Makefile patch | blob | history

diff --git a/kernel/Makefile b/kernel/Makefile
index f3218bc..155b538 100644 (file)
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -125,6 +125,7 @@ obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
 
 obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
 
+CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
 obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
 KASAN_SANITIZE_stackleak.o := n
 KCSAN_SANITIZE_stackleak.o := n
Domain: System / Kernel;