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| author | Rasmus Villemoes | 2018-05-08 00:36:28 +0200 |
|---|---|---|
| committer | Kees Cook | 2018-06-05 21:16:51 +0200 |
| commit | 455a35a6cdb6f53fe9294e23301eb056f2908bd9 (patch) | |
| tree | d100b0647b858d100609b4115680e1349cc912aa /lib/Kconfig.debug | |
| parent | compiler.h: enable builtin overflow checkers and add fallback code (diff) | |
| download | kernel-qcow2-linux-455a35a6cdb6f53fe9294e23301eb056f2908bd9.tar.gz kernel-qcow2-linux-455a35a6cdb6f53fe9294e23301eb056f2908bd9.tar.xz kernel-qcow2-linux-455a35a6cdb6f53fe9294e23301eb056f2908bd9.zip | |
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/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c40c7b734cd1..d9fe912afed5 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1785,6 +1785,9 @@ config TEST_BITMAP config TEST_UUID tristate "Test functions located in the uuid module at runtime" +config TEST_OVERFLOW + tristate "Test check_*_overflow() functions at runtime" + config TEST_RHASHTABLE tristate "Perform selftest on resizable hash table" default n |