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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-01-28 03:09:12 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-01-28 03:09:12 +0300 |
| commit | 28cca23da7240df597240a492a7a7d4ce990026b (patch) | |
| tree | 0490910cf152460aa88d1aa0e3863064a718de26 /lib | |
| parent | d786f0fe5e5490682cc05dce6bea0b32964d5088 (diff) | |
| parent | be0d8f48ad97f5b775b0af3310343f676dbf318a (diff) | |
| download | linux-28cca23da7240df597240a492a7a7d4ce990026b.tar.xz | |
Merge tag 'hardening-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening fixes from Kees Cook:
- Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST
- Reorganize gcc-plugin includes for GCC 13
- Silence bcache memcpy run-time false positive warnings
* tag 'hardening-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
bcache: Silence memcpy() run-time false positive warnings
gcc-plugins: Reorganize gimple includes for GCC 13
kunit: memcpy: Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 9 | ||||
| -rw-r--r-- | lib/memcpy_kunit.c | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 6426dbf99c12..61a9425a311f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2566,6 +2566,15 @@ config MEMCPY_KUNIT_TEST If unsure, say N. +config MEMCPY_SLOW_KUNIT_TEST + bool "Include exhaustive memcpy tests" + depends on MEMCPY_KUNIT_TEST + default y + help + Some memcpy tests are quite exhaustive in checking for overlaps + and bit ranges. These can be very slow, so they are split out + as a separate config, in case they need to be disabled. + config IS_SIGNED_TYPE_KUNIT_TEST tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS depends on KUNIT diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c index 89128551448d..887926f04731 100644 --- a/lib/memcpy_kunit.c +++ b/lib/memcpy_kunit.c @@ -309,6 +309,8 @@ static void set_random_nonzero(struct kunit *test, u8 *byte) static void init_large(struct kunit *test) { + if (!IS_ENABLED(CONFIG_MEMCPY_SLOW_KUNIT_TEST)) + kunit_skip(test, "Slow test skipped. Enable with CONFIG_MEMCPY_SLOW_KUNIT_TEST=y"); /* Get many bit patterns. */ get_random_bytes(large_src, ARRAY_SIZE(large_src)); |