From: Uriel Guajardo <urielguajardo@xxxxxxxxxx> Dynamic analyis tools can now fail the currently running kunit test case by calling kunit_fail_current_test(). A new header file is created so that no circular dependencies are created with external tools. This patch requires "kunit: KASAN integration", which places the currently running kunit test in task_struct. [1] [1] https://lore.kernel.org/linux-kselftest/20200606040349.246780-2-davidgow@xxxxxxxxxx Signed-off-by: Uriel Guajardo <urielguajardo@xxxxxxxxxx> --- include/kunit/test-bug.h | 15 +++++++++++++++ include/kunit/test.h | 1 + lib/kunit/test.c | 10 ++++++---- 3 files changed, 22 insertions(+), 4 deletions(-) create mode 100644 include/kunit/test-bug.h diff --git a/include/kunit/test-bug.h b/include/kunit/test-bug.h new file mode 100644 index 000000000000..69ec3dd91c52 --- /dev/null +++ b/include/kunit/test-bug.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Base unit test (KUnit) API. + * + * Copyright (C) 2020, Google LLC. + * Author: Uriel Guajardo <urielguajardo@xxxxxxxxxx> + */ + +#if IS_ENABLED(CONFIG_KUNIT) +extern void kunit_fail_current_test(void); +#else +static inline void kunit_fail_current_test(void) +{ +} +#endif diff --git a/include/kunit/test.h b/include/kunit/test.h index 1dc3d118f64b..c46715c739b5 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -11,6 +11,7 @@ #include <kunit/assert.h> #include <kunit/try-catch.h> +#include <kunit/test-bug.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/lib/kunit/test.c b/lib/kunit/test.c index ef3bfb9fae48..8580ed831a8f 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -16,6 +16,12 @@ #include "string-stream.h" #include "try-catch-impl.h" +void kunit_fail_current_test(void) +{ + if (current->kunit_test) + kunit_set_failure(current->kunit_test); +} + static void kunit_print_tap_version(void) { static bool kunit_has_printed_tap_version; @@ -284,9 +290,7 @@ static void kunit_try_run_case(void *data) struct kunit_suite *suite = ctx->suite; struct kunit_case *test_case = ctx->test_case; -#if (IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT)) current->kunit_test = test; -#endif /* IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT) */ /* * kunit_run_case_internal may encounter a fatal error; if it does, @@ -603,9 +607,7 @@ void kunit_cleanup(struct kunit *test) spin_unlock(&test->lock); kunit_remove_resource(test, res); } -#if (IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT)) current->kunit_test = NULL; -#endif /* IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT)*/ } EXPORT_SYMBOL_GPL(kunit_cleanup); -- 2.27.0.212.ge8ba1cc988-goog
