Re: [kees:for-next/kspp 19/19] lib/ubsan.c:27:13: warning: no previous prototype for 'report_ubsan_failure'

[Kees Cook <keescook@chromium.org>]

On Sat, Feb 04, 2023 at 04:45:49PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/kspp
> head:   eeea3ad2aae00767549e2e5c50ad5f2dcfb353cd
> commit: eeea3ad2aae00767549e2e5c50ad5f2dcfb353cd [19/19] arm64: Support Clang UBSAN trap codes for better reporting
> config: s390-randconfig-r044-20230204 (https://download.01.org/0day-ci/archive/20230204/202302041600.oGDByVG5-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id=eeea3ad2aae00767549e2e5c50ad5f2dcfb353cd
>         git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
>         git fetch --no-tags kees for-next/kspp
>         git checkout eeea3ad2aae00767549e2e5c50ad5f2dcfb353cd
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 olddefconfig
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> 
> All warnings (new ones prefixed by >>):
> 
> >> lib/ubsan.c:27:13: warning: no previous prototype for 'report_ubsan_failure' [-Wmissing-prototypes]
>       27 | const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
>          |             ^~~~~~~~~~~~~~~~~~~~

Thanks! I'll get this fixed.

-- 
Kees Cook