Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v6.18.21 2025-05-08T16:42:40+00:00 2025-05-08T16:42:40+00:00 Kees Cook kees@kernel.org 2025-05-02T22:41:20+00:00 urn:sha1:f55aef7e0cc7583062cbda9becaa3b2ba3255fa3 The recent fix in commit c2ea09b193d2 ("randstruct: gcc-plugin: Remove bogus void member") has fixed another issue: it was not always detecting composite structures made only of function pointers and structures of function pointers. Add a test for this case, and break out the layout tests since this issue is actually a problem for Clang as well[1]. Link: https://github.com/llvm/llvm-project/issues/138355 [1] Link: https://lore.kernel.org/r/20250502224116.work.591-kees@kernel.org Signed-off-by: Kees Cook <kees@kernel.org> 2025-05-08T16:42:40+00:00 Kees Cook kees@kernel.org 2025-04-27T00:21:01+00:00 urn:sha1:b370f7eacdcfe1dd17bee00506296aa3fdc773cb Perform basic validation about layout randomization and initialization tracking when using CONFIG_RANDSTRUCT=y. Tested using: $ ./tools/testing/kunit/kunit.py run \ --kconfig_add CONFIG_RANDSTRUCT_FULL=y \ randstruct [17:22:30] ================= randstruct (2 subtests) ================== [17:22:30] [PASSED] randstruct_layout [17:22:30] [PASSED] randstruct_initializers [17:22:30] =================== [PASSED] randstruct ==================== [17:22:30] ============================================================ [17:22:30] Testing complete. Ran 2 tests: passed: 2 [17:22:30] Elapsed time: 5.091s total, 0.001s configuring, 4.974s building, 0.086s running Adding "--make_option LLVM=1" can be used to test Clang, which also passes. Acked-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org>