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authorKees Cook <keescook@chromium.org>2023-01-07 04:47:05 +0100
committerKees Cook <keescook@chromium.org>2023-01-25 21:24:40 +0100
commit4acf1de35f41549e60c3c02a8defa7cb95eabdf2 (patch)
treee01793c16f36d7f898763698eb56c8b4ba30f027 /lib/memcpy_kunit.c
parentkbuild: Fix CFI hash randomization with KASAN (diff)
downloadlinux-4acf1de35f41549e60c3c02a8defa7cb95eabdf2.tar.xz
linux-4acf1de35f41549e60c3c02a8defa7cb95eabdf2.zip
kunit: memcpy: Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST
Since the long memcpy tests may stall a system for tens of seconds in virtualized architecture environments, split those tests off under CONFIG_MEMCPY_SLOW_KUNIT_TEST so they can be separately disabled. Reported-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/lkml/20221226195206.GA2626419@roeck-us.net Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-and-tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: David Gow <davidgow@google.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: linux-hardening@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to '')
-rw-r--r--lib/memcpy_kunit.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c
index 89128551448d..887926f04731 100644
--- a/lib/memcpy_kunit.c
+++ b/lib/memcpy_kunit.c
@@ -309,6 +309,8 @@ static void set_random_nonzero(struct kunit *test, u8 *byte)
static void init_large(struct kunit *test)
{
+ if (!IS_ENABLED(CONFIG_MEMCPY_SLOW_KUNIT_TEST))
+ kunit_skip(test, "Slow test skipped. Enable with CONFIG_MEMCPY_SLOW_KUNIT_TEST=y");
/* Get many bit patterns. */
get_random_bytes(large_src, ARRAY_SIZE(large_src));