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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2018-05-08 01:36:28 +0300
committerKees Cook <keescook@chromium.org>2018-06-05 22:16:51 +0300
commit455a35a6cdb6f53fe9294e23301eb056f2908bd9 (patch)
treed100b0647b858d100609b4115680e1349cc912aa /lib/Makefile
parentf0907827a8a9152aedac2833ed1b674a7b2a44f2 (diff)
downloadlinux-455a35a6cdb6f53fe9294e23301eb056f2908bd9.tar.xz
lib: add runtime test of check_*_overflow functions
This adds a small module for testing that the check_*_overflow functions work as expected, whether implemented in C or using gcc builtins. Example output: test_overflow: u8 : 18 tests test_overflow: s8 : 19 tests test_overflow: u16: 17 tests test_overflow: s16: 17 tests test_overflow: u32: 17 tests test_overflow: s32: 17 tests test_overflow: u64: 17 tests test_overflow: s64: 21 tests Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> [kees: add output to commit log, drop u64 tests on 32-bit] Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'lib/Makefile')
-rw-r--r--lib/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index ce20696d5a92..eb762ad52ccf 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -59,6 +59,7 @@ UBSAN_SANITIZE_test_ubsan.o := y
obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
obj-$(CONFIG_TEST_LKM) += test_module.o
+obj-$(CONFIG_TEST_OVERFLOW) += test_overflow.o
obj-$(CONFIG_TEST_RHASHTABLE) += test_rhashtable.o
obj-$(CONFIG_TEST_SORT) += test_sort.o
obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o