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authorKees Cook <keescook@chromium.org>2023-01-06 19:47:05 -0800
committerKees Cook <keescook@chromium.org>2023-01-25 12:24:40 -0800
commit4acf1de35f41549e60c3c02a8defa7cb95eabdf2 (patch)
treee01793c16f36d7f898763698eb56c8b4ba30f027 /lib/Kconfig.debug
parent42633ed852deadc14d44660ad71e2f6640239120 (diff)
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.debug9
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