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| author | Kees Cook <keescook@chromium.org> | 2023-01-07 04:47:05 +0100 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2023-01-25 21:24:40 +0100 |
| commit | 4acf1de35f41549e60c3c02a8defa7cb95eabdf2 (patch) | |
| tree | e01793c16f36d7f898763698eb56c8b4ba30f027 /lib/Kconfig.debug | |
| 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/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 881c3f84e88a..149d6403b8a9 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2566,6 +2566,15 @@ config MEMCPY_KUNIT_TEST If unsure, say N. +config MEMCPY_SLOW_KUNIT_TEST + bool "Include exhaustive memcpy tests" + depends on MEMCPY_KUNIT_TEST + default y + help + Some memcpy tests are quite exhaustive in checking for overlaps + and bit ranges. These can be very slow, so they are split out + as a separate config, in case they need to be disabled. + config IS_SIGNED_TYPE_KUNIT_TEST tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS depends on KUNIT |