linux-kernel - lib/crypto/blake2s-selftest.c:548:13: warning: stack frame size (1176) exceeds limit (1024) in 'blake2s

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Message-ID: <202205280544.UeG75XaY-lkp@intel.com>
Date:   Sat, 28 May 2022 05:57:50 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Jason A. Donenfeld" <zx2c4@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, 0day robot <lkp@...el.com>
Subject: lib/crypto/blake2s-selftest.c:548:13: warning: stack frame size
 (1176) exceeds limit (1024) in 'blake2s_selftest'

tree:   https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220527-161529/Jason-A-Donenfeld/crypto-blake2s-remove-shash-module/20220526-172214
head:   3f36e6ac3553b6d6872d5e575f30112d333a1934
commit: 3f36e6ac3553b6d6872d5e575f30112d333a1934 crypto: blake2s - remove shash module
date:   14 hours ago
config: hexagon-randconfig-r041-20220526 (https://download.01.org/0day-ci/archive/20220528/202205280544.UeG75XaY-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 134d7f9a4b97e9035150d970bd9e376043c4577e)
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/3f36e6ac3553b6d6872d5e575f30112d333a1934
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review UPDATE-20220527-161529/Jason-A-Donenfeld/crypto-blake2s-remove-shash-module/20220526-172214
        git checkout 3f36e6ac3553b6d6872d5e575f30112d333a1934
        # 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 lib/crypto/

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

All warnings (new ones prefixed by >>):

>> lib/crypto/blake2s-selftest.c:548:13: warning: stack frame size (1176) exceeds limit (1024) in 'blake2s_selftest' [-Wframe-larger-than]
   bool __init blake2s_selftest(void)
               ^
   1 warning generated.


vim +/blake2s_selftest +548 lib/crypto/blake2s-selftest.c

66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08  547  
66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 @548  bool __init blake2s_selftest(void)

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