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Date:   Thu, 6 Oct 2022 13:17:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Kees Cook <keescook@...omium.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Nathan Chancellor <nathan@...nel.org>,
        Tom Rix <trix@...hat.com>,
        Daniel Latypov <dlatypov@...gle.com>,
        Gwan-gyeong Mun <gwan-gyeong.mun@...el.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] overflow: disable failing tests for older clang versions

Hi Nick,

I love your patch! Yet something to improve:

[auto build test ERROR on 833477fce7a14d43ae4c07f8ddc32fa5119471a2]

url:    https://github.com/intel-lab-lkp/linux/commits/Nick-Desaulniers/overflow-disable-failing-tests-for-older-clang-versions/20221006-062232
base:   833477fce7a14d43ae4c07f8ddc32fa5119471a2
config: hexagon-randconfig-r041-20221003
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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://github.com/intel-lab-lkp/linux/commit/cf7d44fb2c24fbc5424fb6f17095eead3cbe5b92
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Nick-Desaulniers/overflow-disable-failing-tests-for-older-clang-versions/20221006-062232
        git checkout cf7d44fb2c24fbc5424fb6f17095eead3cbe5b92
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> lib/overflow_kunit.c:723:13: error: use of undeclared identifier 'u64_u64__u64_overflow_test'
           KUNIT_CASE(u64_u64__u64_overflow_test),
                      ^
>> lib/overflow_kunit.c:724:13: error: use of undeclared identifier 's64_s64__s64_overflow_test'
           KUNIT_CASE(s64_s64__s64_overflow_test),
                      ^
   2 errors generated.


vim +/u64_u64__u64_overflow_test +723 lib/overflow_kunit.c

e1be43d9b5d0d13 lib/test_overflow.c  Kees Cook        2021-09-18  711  
617f55e20743fc5 lib/overflow_kunit.c Kees Cook        2022-02-16  712  static struct kunit_case overflow_test_cases[] = {
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  713  	KUNIT_CASE(u8_u8__u8_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  714  	KUNIT_CASE(s8_s8__s8_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  715  	KUNIT_CASE(u16_u16__u16_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  716  	KUNIT_CASE(s16_s16__s16_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  717  	KUNIT_CASE(u32_u32__u32_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  718  	KUNIT_CASE(s32_s32__s32_overflow_test),
6a022dd29f2cefb lib/overflow_kunit.c Kees Cook        2022-05-11  719  /* Clang 13 and earlier generate unwanted libcalls on 32-bit. */
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  720  #if defined(CONFIG_CC_IS_GCC) || \
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  721  	(defined(CONFIG_CC_IS_CLANG) && \
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  722  		(__clang_major__ > 13 || BITS_PER_LONG == 64))
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29 @723  	KUNIT_CASE(u64_u64__u64_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29 @724  	KUNIT_CASE(s64_s64__s64_overflow_test),
617f55e20743fc5 lib/overflow_kunit.c Kees Cook        2022-02-16  725  #endif
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  726  /*
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  727   * Clang 11 and earlier generate unwanted libcalls for signed output, unsigned
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  728   * input.
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  729   * https://github.com/llvm/llvm-project/commit/3203143f1356a4e4e3ada231156fc6da6e1a9f9d
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  730   */
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  731  #if defined(CONFIG_CC_IS_GCC) || \
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  732  	(defined(CONFIG_CC_IS_CLANG) && \
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  733  		(__clang_major__ > 11 || BITS_PER_LONG == 64))
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  734  	KUNIT_CASE(u32_u32__int_overflow_test),
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  735  #endif
cf7d44fb2c24fbc lib/overflow_kunit.c Nick Desaulniers 2022-10-05  736  	KUNIT_CASE(u32_u32__u8_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  737  	KUNIT_CASE(u8_u8__int_overflow_test),
d219d2a9a92e39a lib/overflow_kunit.c Kees Cook        2022-08-29  738  	KUNIT_CASE(int_int__u8_overflow_test),
779742255cb464e lib/overflow_kunit.c Kees Cook        2022-08-31  739  	KUNIT_CASE(shift_sane_test),
779742255cb464e lib/overflow_kunit.c Kees Cook        2022-08-31  740  	KUNIT_CASE(shift_overflow_test),
779742255cb464e lib/overflow_kunit.c Kees Cook        2022-08-31  741  	KUNIT_CASE(shift_truncate_test),
779742255cb464e lib/overflow_kunit.c Kees Cook        2022-08-31  742  	KUNIT_CASE(shift_nonsense_test),
617f55e20743fc5 lib/overflow_kunit.c Kees Cook        2022-02-16  743  	KUNIT_CASE(overflow_allocation_test),
617f55e20743fc5 lib/overflow_kunit.c Kees Cook        2022-02-16  744  	KUNIT_CASE(overflow_size_helpers_test),
617f55e20743fc5 lib/overflow_kunit.c Kees Cook        2022-02-16  745  	{}
617f55e20743fc5 lib/overflow_kunit.c Kees Cook        2022-02-16  746  };
455a35a6cdb6f53 lib/test_overflow.c  Rasmus Villemoes 2018-05-08  747  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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