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author | Kees Cook <keescook@chromium.org> | 2023-01-07 04:47:05 +0100 |
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committer | Kees Cook <keescook@chromium.org> | 2023-01-25 21:24:40 +0100 |
commit | 4acf1de35f41549e60c3c02a8defa7cb95eabdf2 (patch) | |
tree | e01793c16f36d7f898763698eb56c8b4ba30f027 /lib/memcpy_kunit.c | |
parent | kbuild: Fix CFI hash randomization with KASAN (diff) | |
download | linux-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 'lib/memcpy_kunit.c')
-rw-r--r-- | lib/memcpy_kunit.c | 2 |
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)); |