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authorKees Cook <kees@kernel.org>2024-12-02 15:55:40 +0800
committerKees Cook <kees@kernel.org>2025-02-10 18:25:39 -0800
commitdb6fe4d61ece24193eb4d94a82d967501d53358c (patch)
tree6c4cd0e856fb6249cfb0cb6a45b87f5dfafbb6f8 /lib/stackinit_kunit.c
parent84ec093f55f58f5a4a66eb98bd6b6af413190bde (diff)
lib: Move KUnit tests into tests/ subdirectory
Following from the recent KUnit file naming discussion[1], move all KUnit tests in lib/ into lib/tests/. Link: https://lore.kernel.org/lkml/20240720165441.it.320-kees@kernel.org/ [1] Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> Acked-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Reviewed-by: David Gow <davidgow@google.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Rae Moar <rmoar@google.com> Link: https://lore.kernel.org/r/20241202075545.3648096-4-davidgow@google.com Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'lib/stackinit_kunit.c')
-rw-r--r--lib/stackinit_kunit.c584
1 files changed, 0 insertions, 584 deletions
diff --git a/lib/stackinit_kunit.c b/lib/stackinit_kunit.c
deleted file mode 100644
index 135322592faf..000000000000
--- a/lib/stackinit_kunit.c
+++ /dev/null
@@ -1,584 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Test cases for compiler-based stack variable zeroing via
- * -ftrivial-auto-var-init={zero,pattern} or CONFIG_GCC_PLUGIN_STRUCTLEAK*.
- * For example, see:
- * "Running tests with kunit_tool" at Documentation/dev-tools/kunit/start.rst
- * ./tools/testing/kunit/kunit.py run stackinit [--raw_output] \
- * --make_option LLVM=1 \
- * --kconfig_add CONFIG_INIT_STACK_ALL_ZERO=y
- *
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <kunit/test.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-
-/* Exfiltration buffer. */
-#define MAX_VAR_SIZE 128
-static u8 check_buf[MAX_VAR_SIZE];
-
-/* Character array to trigger stack protector in all functions. */
-#define VAR_BUFFER 32
-
-/* Volatile mask to convince compiler to copy memory with 0xff. */
-static volatile u8 forced_mask = 0xff;
-
-/* Location and size tracking to validate fill and test are colocated. */
-static void *fill_start, *target_start;
-static size_t fill_size, target_size;
-
-static bool stackinit_range_contains(char *haystack_start, size_t haystack_size,
- char *needle_start, size_t needle_size)
-{
- if (needle_start >= haystack_start &&
- needle_start + needle_size <= haystack_start + haystack_size)
- return true;
- return false;
-}
-
-/* Whether the test is expected to fail. */
-#define WANT_SUCCESS 0
-#define XFAIL 1
-
-#define DO_NOTHING_TYPE_SCALAR(var_type) var_type
-#define DO_NOTHING_TYPE_STRING(var_type) void
-#define DO_NOTHING_TYPE_STRUCT(var_type) void
-#define DO_NOTHING_TYPE_UNION(var_type) void
-
-#define DO_NOTHING_RETURN_SCALAR(ptr) *(ptr)
-#define DO_NOTHING_RETURN_STRING(ptr) /**/
-#define DO_NOTHING_RETURN_STRUCT(ptr) /**/
-#define DO_NOTHING_RETURN_UNION(ptr) /**/
-
-#define DO_NOTHING_CALL_SCALAR(var, name) \
- (var) = do_nothing_ ## name(&(var))
-#define DO_NOTHING_CALL_STRING(var, name) \
- do_nothing_ ## name(var)
-#define DO_NOTHING_CALL_STRUCT(var, name) \
- do_nothing_ ## name(&(var))
-#define DO_NOTHING_CALL_UNION(var, name) \
- do_nothing_ ## name(&(var))
-
-#define FETCH_ARG_SCALAR(var) &var
-#define FETCH_ARG_STRING(var) var
-#define FETCH_ARG_STRUCT(var) &var
-#define FETCH_ARG_UNION(var) &var
-
-/*
- * On m68k, if the leaf function test variable is longer than 8 bytes,
- * the start of the stack frame moves. 8 is sufficiently large to
- * test m68k char arrays, but leave it at 16 for other architectures.
- */
-#ifdef CONFIG_M68K
-#define FILL_SIZE_STRING 8
-#define FILL_SIZE_ARRAY 2
-#else
-#define FILL_SIZE_STRING 16
-#define FILL_SIZE_ARRAY 8
-#endif
-
-#define INIT_CLONE_SCALAR /**/
-#define INIT_CLONE_STRING [FILL_SIZE_STRING]
-#define INIT_CLONE_STRUCT /**/
-#define INIT_CLONE_UNION /**/
-
-#define ZERO_CLONE_SCALAR(zero) memset(&(zero), 0x00, sizeof(zero))
-#define ZERO_CLONE_STRING(zero) memset(&(zero), 0x00, sizeof(zero))
-/*
- * For the struct, intentionally poison padding to see if it gets
- * copied out in direct assignments.
- * */
-#define ZERO_CLONE_STRUCT(zero) \
- do { \
- memset(&(zero), 0xFF, sizeof(zero)); \
- zero.one = 0; \
- zero.two = 0; \
- zero.three = 0; \
- zero.four = 0; \
- } while (0)
-#define ZERO_CLONE_UNION(zero) ZERO_CLONE_STRUCT(zero)
-
-#define INIT_SCALAR_none(var_type) /**/
-#define INIT_SCALAR_zero(var_type) = 0
-
-#define INIT_STRING_none(var_type) [FILL_SIZE_STRING] /**/
-#define INIT_STRING_zero(var_type) [FILL_SIZE_STRING] = { }
-
-#define INIT_STRUCT_none(var_type) /**/
-#define INIT_STRUCT_zero(var_type) = { }
-#define INIT_STRUCT_old_zero(var_type) = { 0 }
-
-
-#define __static_partial { .two = 0, }
-#define __static_all { .one = 0, \
- .two = 0, \
- .three = 0, \
- .four = 0, \
- }
-#define __dynamic_partial { .two = arg->two, }
-#define __dynamic_all { .one = arg->one, \
- .two = arg->two, \
- .three = arg->three, \
- .four = arg->four, \
- }
-#define __runtime_partial var.two = 0
-#define __runtime_all var.one = 0; \
- var.two = 0; \
- var.three = 0; \
- var.four = 0
-
-#define INIT_STRUCT_static_partial(var_type) \
- = __static_partial
-#define INIT_STRUCT_static_all(var_type) \
- = __static_all
-#define INIT_STRUCT_dynamic_partial(var_type) \
- = __dynamic_partial
-#define INIT_STRUCT_dynamic_all(var_type) \
- = __dynamic_all
-#define INIT_STRUCT_runtime_partial(var_type) \
- ; __runtime_partial
-#define INIT_STRUCT_runtime_all(var_type) \
- ; __runtime_all
-
-#define INIT_STRUCT_assigned_static_partial(var_type) \
- ; var = (var_type)__static_partial
-#define INIT_STRUCT_assigned_static_all(var_type) \
- ; var = (var_type)__static_all
-#define INIT_STRUCT_assigned_dynamic_partial(var_type) \
- ; var = (var_type)__dynamic_partial
-#define INIT_STRUCT_assigned_dynamic_all(var_type) \
- ; var = (var_type)__dynamic_all
-
-#define INIT_STRUCT_assigned_copy(var_type) \
- ; var = *(arg)
-
-/* Union initialization is the same as structs. */
-#define INIT_UNION_none(var_type) INIT_STRUCT_none(var_type)
-#define INIT_UNION_zero(var_type) INIT_STRUCT_zero(var_type)
-#define INIT_UNION_old_zero(var_type) INIT_STRUCT_old_zero(var_type)
-
-#define INIT_UNION_static_partial(var_type) \
- INIT_STRUCT_static_partial(var_type)
-#define INIT_UNION_static_all(var_type) \
- INIT_STRUCT_static_all(var_type)
-#define INIT_UNION_dynamic_partial(var_type) \
- INIT_STRUCT_dynamic_partial(var_type)
-#define INIT_UNION_dynamic_all(var_type) \
- INIT_STRUCT_dynamic_all(var_type)
-#define INIT_UNION_runtime_partial(var_type) \
- INIT_STRUCT_runtime_partial(var_type)
-#define INIT_UNION_runtime_all(var_type) \
- INIT_STRUCT_runtime_all(var_type)
-#define INIT_UNION_assigned_static_partial(var_type) \
- INIT_STRUCT_assigned_static_partial(var_type)
-#define INIT_UNION_assigned_static_all(var_type) \
- INIT_STRUCT_assigned_static_all(var_type)
-#define INIT_UNION_assigned_dynamic_partial(var_type) \
- INIT_STRUCT_assigned_dynamic_partial(var_type)
-#define INIT_UNION_assigned_dynamic_all(var_type) \
- INIT_STRUCT_assigned_dynamic_all(var_type)
-#define INIT_UNION_assigned_copy(var_type) \
- INIT_STRUCT_assigned_copy(var_type)
-
-/*
- * @name: unique string name for the test
- * @var_type: type to be tested for zeroing initialization
- * @which: is this a SCALAR, STRING, or STRUCT type?
- * @init_level: what kind of initialization is performed
- * @xfail: is this test expected to fail?
- */
-#define DEFINE_TEST_DRIVER(name, var_type, which, xfail) \
-/* Returns 0 on success, 1 on failure. */ \
-static noinline void test_ ## name (struct kunit *test) \
-{ \
- var_type zero INIT_CLONE_ ## which; \
- int ignored; \
- u8 sum = 0, i; \
- \
- /* Notice when a new test is larger than expected. */ \
- BUILD_BUG_ON(sizeof(zero) > MAX_VAR_SIZE); \
- \
- /* Fill clone type with zero for per-field init. */ \
- ZERO_CLONE_ ## which(zero); \
- /* Clear entire check buffer for 0xFF overlap test. */ \
- memset(check_buf, 0x00, sizeof(check_buf)); \
- /* Fill stack with 0xFF. */ \
- ignored = leaf_ ##name((unsigned long)&ignored, 1, \
- FETCH_ARG_ ## which(zero)); \
- /* Verify all bytes overwritten with 0xFF. */ \
- for (sum = 0, i = 0; i < target_size; i++) \
- sum += (check_buf[i] != 0xFF); \
- /* Clear entire check buffer for later bit tests. */ \
- memset(check_buf, 0x00, sizeof(check_buf)); \
- /* Extract stack-defined variable contents. */ \
- ignored = leaf_ ##name((unsigned long)&ignored, 0, \
- FETCH_ARG_ ## which(zero)); \
- /* \
- * Delay the sum test to here to do as little as \
- * possible between the two leaf function calls. \
- */ \
- KUNIT_ASSERT_EQ_MSG(test, sum, 0, \
- "leaf fill was not 0xFF!?\n"); \
- \
- /* Validate that compiler lined up fill and target. */ \
- KUNIT_ASSERT_TRUE_MSG(test, \
- stackinit_range_contains(fill_start, fill_size, \
- target_start, target_size), \
- "stackframe was not the same between calls!? " \
- "(fill %zu wide, target offset by %d)\n", \
- fill_size, \
- (int)((ssize_t)(uintptr_t)fill_start - \
- (ssize_t)(uintptr_t)target_start)); \
- \
- /* Look for any bytes still 0xFF in check region. */ \
- for (sum = 0, i = 0; i < target_size; i++) \
- sum += (check_buf[i] == 0xFF); \
- \
- if (sum != 0 && xfail) \
- kunit_skip(test, \
- "XFAIL uninit bytes: %d\n", \
- sum); \
- KUNIT_ASSERT_EQ_MSG(test, sum, 0, \
- "uninit bytes: %d\n", sum); \
-}
-#define DEFINE_TEST(name, var_type, which, init_level, xfail) \
-/* no-op to force compiler into ignoring "uninitialized" vars */\
-static noinline DO_NOTHING_TYPE_ ## which(var_type) \
-do_nothing_ ## name(var_type *ptr) \
-{ \
- OPTIMIZER_HIDE_VAR(ptr); \
- /* Will always be true, but compiler doesn't know. */ \
- if ((unsigned long)ptr > 0x2) \
- return DO_NOTHING_RETURN_ ## which(ptr); \
- else \
- return DO_NOTHING_RETURN_ ## which(ptr + 1); \
-} \
-static noinline int leaf_ ## name(unsigned long sp, bool fill, \
- var_type *arg) \
-{ \
- char buf[VAR_BUFFER]; \
- var_type var \
- INIT_ ## which ## _ ## init_level(var_type); \
- \
- target_start = &var; \
- target_size = sizeof(var); \
- /* \
- * Keep this buffer around to make sure we've got a \
- * stack frame of SOME kind... \
- */ \
- memset(buf, (char)(sp & 0xff), sizeof(buf)); \
- /* Fill variable with 0xFF. */ \
- if (fill) { \
- fill_start = &var; \
- fill_size = sizeof(var); \
- memset(fill_start, \
- (char)((sp & 0xff) | forced_mask), \
- fill_size); \
- } \
- \
- /* Silence "never initialized" warnings. */ \
- DO_NOTHING_CALL_ ## which(var, name); \
- \
- /* Exfiltrate "var". */ \
- memcpy(check_buf, target_start, target_size); \
- \
- return (int)buf[0] | (int)buf[sizeof(buf) - 1]; \
-} \
-DEFINE_TEST_DRIVER(name, var_type, which, xfail)
-
-/* Structure with no padding. */
-struct test_packed {
- unsigned long one;
- unsigned long two;
- unsigned long three;
- unsigned long four;
-};
-
-/* Simple structure with padding likely to be covered by compiler. */
-struct test_small_hole {
- size_t one;
- char two;
- /* 3 byte padding hole here. */
- int three;
- unsigned long four;
-};
-
-/* Trigger unhandled padding in a structure. */
-struct test_big_hole {
- u8 one;
- u8 two;
- u8 three;
- /* 61 byte padding hole here. */
- u8 four __aligned(64);
-} __aligned(64);
-
-struct test_trailing_hole {
- char *one;
- char *two;
- char *three;
- char four;
- /* "sizeof(unsigned long) - 1" byte padding hole here. */
-};
-
-/* Test if STRUCTLEAK is clearing structs with __user fields. */
-struct test_user {
- u8 one;
- unsigned long two;
- char __user *three;
- unsigned long four;
-};
-
-/* No padding: all members are the same size. */
-union test_same_sizes {
- unsigned long one;
- unsigned long two;
- unsigned long three;
- unsigned long four;
-};
-
-/* Mismatched sizes, with one and two being small */
-union test_small_start {
- char one:1;
- char two;
- short three;
- unsigned long four;
- struct big_struct {
- unsigned long array[FILL_SIZE_ARRAY];
- } big;
-};
-
-/* Mismatched sizes, with three and four being small */
-union test_small_end {
- short one;
- unsigned long two;
- char three:1;
- char four;
-};
-
-#define ALWAYS_PASS WANT_SUCCESS
-#define ALWAYS_FAIL XFAIL
-
-#ifdef CONFIG_INIT_STACK_NONE
-# define USER_PASS XFAIL
-# define BYREF_PASS XFAIL
-# define STRONG_PASS XFAIL
-#elif defined(CONFIG_GCC_PLUGIN_STRUCTLEAK_USER)
-# define USER_PASS WANT_SUCCESS
-# define BYREF_PASS XFAIL
-# define STRONG_PASS XFAIL
-#elif defined(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)
-# define USER_PASS WANT_SUCCESS
-# define BYREF_PASS WANT_SUCCESS
-# define STRONG_PASS XFAIL
-#else
-# define USER_PASS WANT_SUCCESS
-# define BYREF_PASS WANT_SUCCESS
-# define STRONG_PASS WANT_SUCCESS
-#endif
-
-#define DEFINE_SCALAR_TEST(name, init, xfail) \
- DEFINE_TEST(name ## _ ## init, name, SCALAR, \
- init, xfail)
-
-#define DEFINE_SCALAR_TESTS(init, xfail) \
- DEFINE_SCALAR_TEST(u8, init, xfail); \
- DEFINE_SCALAR_TEST(u16, init, xfail); \
- DEFINE_SCALAR_TEST(u32, init, xfail); \
- DEFINE_SCALAR_TEST(u64, init, xfail); \
- DEFINE_TEST(char_array_ ## init, unsigned char, \
- STRING, init, xfail)
-
-#define DEFINE_STRUCT_TEST(name, init, xfail) \
- DEFINE_TEST(name ## _ ## init, \
- struct test_ ## name, STRUCT, init, \
- xfail)
-
-#define DEFINE_UNION_TEST(name, init, xfail) \
- DEFINE_TEST(name ## _ ## init, \
- union test_ ## name, STRUCT, init, \
- xfail)
-
-#define DEFINE_STRUCT_TESTS(init, xfail) \
- DEFINE_STRUCT_TEST(small_hole, init, xfail); \
- DEFINE_STRUCT_TEST(big_hole, init, xfail); \
- DEFINE_STRUCT_TEST(trailing_hole, init, xfail); \
- DEFINE_STRUCT_TEST(packed, init, xfail)
-
-#define DEFINE_STRUCT_INITIALIZER_TESTS(base, xfail) \
- DEFINE_STRUCT_TESTS(base ## _ ## partial, \
- xfail); \
- DEFINE_STRUCT_TESTS(base ## _ ## all, xfail)
-
-#define DEFINE_UNION_INITIALIZER_TESTS(base, xfail) \
- DEFINE_UNION_TESTS(base ## _ ## partial, \
- xfail); \
- DEFINE_UNION_TESTS(base ## _ ## all, xfail)
-
-#define DEFINE_UNION_TESTS(init, xfail) \
- DEFINE_UNION_TEST(same_sizes, init, xfail); \
- DEFINE_UNION_TEST(small_start, init, xfail); \
- DEFINE_UNION_TEST(small_end, init, xfail);
-
-/* These should be fully initialized all the time! */
-DEFINE_SCALAR_TESTS(zero, ALWAYS_PASS);
-DEFINE_STRUCT_TESTS(zero, ALWAYS_PASS);
-DEFINE_STRUCT_TESTS(old_zero, ALWAYS_PASS);
-DEFINE_UNION_TESTS(zero, ALWAYS_PASS);
-DEFINE_UNION_TESTS(old_zero, ALWAYS_PASS);
-/* Struct initializers: padding may be left uninitialized. */
-DEFINE_STRUCT_INITIALIZER_TESTS(static, STRONG_PASS);
-DEFINE_STRUCT_INITIALIZER_TESTS(dynamic, STRONG_PASS);
-DEFINE_STRUCT_INITIALIZER_TESTS(runtime, STRONG_PASS);
-DEFINE_STRUCT_INITIALIZER_TESTS(assigned_static, STRONG_PASS);
-DEFINE_STRUCT_INITIALIZER_TESTS(assigned_dynamic, STRONG_PASS);
-DEFINE_STRUCT_TESTS(assigned_copy, ALWAYS_FAIL);
-DEFINE_UNION_INITIALIZER_TESTS(static, STRONG_PASS);
-DEFINE_UNION_INITIALIZER_TESTS(dynamic, STRONG_PASS);
-DEFINE_UNION_INITIALIZER_TESTS(runtime, STRONG_PASS);
-DEFINE_UNION_INITIALIZER_TESTS(assigned_static, STRONG_PASS);
-DEFINE_UNION_INITIALIZER_TESTS(assigned_dynamic, STRONG_PASS);
-DEFINE_UNION_TESTS(assigned_copy, ALWAYS_FAIL);
-/* No initialization without compiler instrumentation. */
-DEFINE_SCALAR_TESTS(none, STRONG_PASS);
-DEFINE_STRUCT_TESTS(none, BYREF_PASS);
-/* Initialization of members with __user attribute. */
-DEFINE_TEST(user, struct test_user, STRUCT, none, USER_PASS);
-
-/*
- * Check two uses through a variable declaration outside either path,
- * which was noticed as a special case in porting earlier stack init
- * compiler logic.
- */
-static int noinline __leaf_switch_none(int path, bool fill)
-{
- switch (path) {
- /*
- * This is intentionally unreachable. To silence the
- * warning, build with -Wno-switch-unreachable
- */
- uint64_t var[10];
-
- case 1:
- target_start = &var;
- target_size = sizeof(var);
- if (fill) {
- fill_start = &var;
- fill_size = sizeof(var);
-
- memset(fill_start, forced_mask | 0x55, fill_size);
- }
- memcpy(check_buf, target_start, target_size);
- break;
- case 2:
- target_start = &var;
- target_size = sizeof(var);
- if (fill) {
- fill_start = &var;
- fill_size = sizeof(var);
-
- memset(fill_start, forced_mask | 0xaa, fill_size);
- }
- memcpy(check_buf, target_start, target_size);
- break;
- default:
- var[1] = 5;
- return var[1] & forced_mask;
- }
- return 0;
-}
-
-static noinline int leaf_switch_1_none(unsigned long sp, bool fill,
- uint64_t *arg)
-{
- return __leaf_switch_none(1, fill);
-}
-
-static noinline int leaf_switch_2_none(unsigned long sp, bool fill,
- uint64_t *arg)
-{
- return __leaf_switch_none(2, fill);
-}
-
-/*
- * These are expected to fail for most configurations because neither
- * GCC nor Clang have a way to perform initialization of variables in
- * non-code areas (i.e. in a switch statement before the first "case").
- * https://llvm.org/pr44916
- */
-DEFINE_TEST_DRIVER(switch_1_none, uint64_t, SCALAR, ALWAYS_FAIL);
-DEFINE_TEST_DRIVER(switch_2_none, uint64_t, SCALAR, ALWAYS_FAIL);
-
-#define KUNIT_test_scalars(init) \
- KUNIT_CASE(test_u8_ ## init), \
- KUNIT_CASE(test_u16_ ## init), \
- KUNIT_CASE(test_u32_ ## init), \
- KUNIT_CASE(test_u64_ ## init), \
- KUNIT_CASE(test_char_array_ ## init)
-
-#define KUNIT_test_structs(init) \
- KUNIT_CASE(test_small_hole_ ## init), \
- KUNIT_CASE(test_big_hole_ ## init), \
- KUNIT_CASE(test_trailing_hole_ ## init),\
- KUNIT_CASE(test_packed_ ## init) \
-
-#define KUNIT_test_unions(init) \
- KUNIT_CASE(test_same_sizes_ ## init), \
- KUNIT_CASE(test_small_start_ ## init), \
- KUNIT_CASE(test_small_end_ ## init) \
-
-static struct kunit_case stackinit_test_cases[] = {
- /* These are explicitly initialized and should always pass. */
- KUNIT_test_scalars(zero),
- KUNIT_test_structs(zero),
- KUNIT_test_structs(old_zero),
- KUNIT_test_unions(zero),
- KUNIT_test_unions(old_zero),
- /* Padding here appears to be accidentally always initialized? */
- KUNIT_test_structs(dynamic_partial),
- KUNIT_test_structs(assigned_dynamic_partial),
- KUNIT_test_unions(dynamic_partial),
- KUNIT_test_unions(assigned_dynamic_partial),
- /* Padding initialization depends on compiler behaviors. */
- KUNIT_test_structs(static_partial),
- KUNIT_test_structs(static_all),
- KUNIT_test_structs(dynamic_all),
- KUNIT_test_structs(runtime_partial),
- KUNIT_test_structs(runtime_all),
- KUNIT_test_structs(assigned_static_partial),
- KUNIT_test_structs(assigned_static_all),
- KUNIT_test_structs(assigned_dynamic_all),
- KUNIT_test_unions(static_partial),
- KUNIT_test_unions(static_all),
- KUNIT_test_unions(dynamic_all),
- KUNIT_test_unions(runtime_partial),
- KUNIT_test_unions(runtime_all),
- KUNIT_test_unions(assigned_static_partial),
- KUNIT_test_unions(assigned_static_all),
- KUNIT_test_unions(assigned_dynamic_all),
- /* Everything fails this since it effectively performs a memcpy(). */
- KUNIT_test_structs(assigned_copy),
- KUNIT_test_unions(assigned_copy),
- /* STRUCTLEAK_BYREF_ALL should cover everything from here down. */
- KUNIT_test_scalars(none),
- KUNIT_CASE(test_switch_1_none),
- KUNIT_CASE(test_switch_2_none),
- /* STRUCTLEAK_BYREF should cover from here down. */
- KUNIT_test_structs(none),
- /* STRUCTLEAK will only cover this. */
- KUNIT_CASE(test_user),
- {}
-};
-
-static struct kunit_suite stackinit_test_suite = {
- .name = "stackinit",
- .test_cases = stackinit_test_cases,
-};
-
-kunit_test_suites(&stackinit_test_suite);
-
-MODULE_DESCRIPTION("Test cases for compiler-based stack variable zeroing");
-MODULE_LICENSE("GPL");