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authorKees Cook <keescook@chromium.org>2022-09-02 13:02:26 -0700
committerKees Cook <keescook@chromium.org>2022-09-07 16:37:26 -0700
commit875bfd5276f31d09e811d31fca638b9f4d1205e8 (patch)
tree930a3f240213b1ac20dcfb51cc7ef74316a95448 /lib/Kconfig.debug
parentd07c0acb4f41cc42a0d97530946965b3e4fa68c1 (diff)
fortify: Add KUnit test for FORTIFY_SOURCE internals
Add lib/fortify_kunit.c KUnit test for checking the expected behavioral characteristics of FORTIFY_SOURCE internals. Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Tom Rix <trix@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: "Steven Rostedt (Google)" <rostedt@goodmis.org> Cc: Yury Norov <yury.norov@gmail.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Sander Vanheule <sander@svanheule.net> Cc: linux-hardening@vger.kernel.org Cc: llvm@lists.linux.dev Reviewed-by: David Gow <davidgow@google.com> 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 36455953d306..1f267c0ddffd 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2542,6 +2542,15 @@ config STACKINIT_KUNIT_TEST
CONFIG_GCC_PLUGIN_STRUCTLEAK, CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF,
or CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL.
+config FORTIFY_KUNIT_TEST
+ tristate "Test fortified str*() and mem*() function internals at runtime" if !KUNIT_ALL_TESTS
+ depends on KUNIT && FORTIFY_SOURCE
+ default KUNIT_ALL_TESTS
+ help
+ Builds unit tests for checking internals of FORTIFY_SOURCE as used
+ by the str*() and mem*() family of functions. For testing runtime
+ traps of FORTIFY_SOURCE, see LKDTM's "FORTIFY_*" tests.
+
config TEST_UDELAY
tristate "udelay test driver"
help