Hi Petr, kernel test robot noticed the following build errors:
[auto build test ERROR on linux-next/master] [cannot apply to linus/master v6.16-rc4] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Petr-Mladek/printk-ringbuffer-Explain-why-the-KUnit-test-ignores-failed-writes/20250702-175422 base: linux-next/master patch link: https://lore.kernel.org/r/20250702095157.110916-3-pmladek%40suse.com patch subject: [PATCH 2/3] printk: kunit: support offstack cpumask config: riscv-randconfig-001-20250703 (https://download.01.org/0day-ci/archive/20250703/202507032226.1sev2ejm-...@intel.com/config) compiler: riscv64-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250703/202507032226.1sev2ejm-...@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507032226.1sev2ejm-...@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/printk/printk_ringbuffer_kunit_test.c:14: kernel/printk/printk_ringbuffer_kunit_test.c: In function 'prbtest_cpumask_cleanup': >> include/kunit/resource.h:409:32: error: cast specifies array type 409 | arg_type arg = (arg_type)in; \ | ^ kernel/printk/printk_ringbuffer_kunit_test.c:219:1: note: in expansion of macro 'KUNIT_DEFINE_ACTION_WRAPPER' 219 | KUNIT_DEFINE_ACTION_WRAPPER(prbtest_cpumask_cleanup, free_cpumask_var, cpumask_var_t); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from printk_ringbuffer_kunit_test.c:14: printk_ringbuffer_kunit_test.c: In function 'prbtest_cpumask_cleanup': >> include/kunit/resource.h:409:32: error: cast specifies array type 409 | arg_type arg = (arg_type)in; \ | ^ printk_ringbuffer_kunit_test.c:219:1: note: in expansion of macro 'KUNIT_DEFINE_ACTION_WRAPPER' 219 | KUNIT_DEFINE_ACTION_WRAPPER(prbtest_cpumask_cleanup, free_cpumask_var, cpumask_var_t); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +409 include/kunit/resource.h b9dce8a1ed3efe David Gow 2023-05-25 392 56778b49c9a2cb David Gow 2023-11-28 393 /** 56778b49c9a2cb David Gow 2023-11-28 394 * KUNIT_DEFINE_ACTION_WRAPPER() - Wrap a function for use as a deferred action. 56778b49c9a2cb David Gow 2023-11-28 395 * 56778b49c9a2cb David Gow 2023-11-28 396 * @wrapper: The name of the new wrapper function define. 56778b49c9a2cb David Gow 2023-11-28 397 * @orig: The original function to wrap. 56778b49c9a2cb David Gow 2023-11-28 398 * @arg_type: The type of the argument accepted by @orig. 56778b49c9a2cb David Gow 2023-11-28 399 * 56778b49c9a2cb David Gow 2023-11-28 400 * Defines a wrapper for a function which accepts a single, pointer-sized 56778b49c9a2cb David Gow 2023-11-28 401 * argument. This wrapper can then be passed to kunit_add_action() and 56778b49c9a2cb David Gow 2023-11-28 402 * similar. This should be used in preference to casting a function 56778b49c9a2cb David Gow 2023-11-28 403 * directly to kunit_action_t, as casting function pointers will break 56778b49c9a2cb David Gow 2023-11-28 404 * control flow integrity (CFI), leading to crashes. 56778b49c9a2cb David Gow 2023-11-28 405 */ 56778b49c9a2cb David Gow 2023-11-28 406 #define KUNIT_DEFINE_ACTION_WRAPPER(wrapper, orig, arg_type) \ 56778b49c9a2cb David Gow 2023-11-28 407 static void wrapper(void *in) \ 56778b49c9a2cb David Gow 2023-11-28 408 { \ 56778b49c9a2cb David Gow 2023-11-28 @409 arg_type arg = (arg_type)in; \ 56778b49c9a2cb David Gow 2023-11-28 410 orig(arg); \ 56778b49c9a2cb David Gow 2023-11-28 411 } 56778b49c9a2cb David Gow 2023-11-28 412 56778b49c9a2cb David Gow 2023-11-28 413 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
