linux-kernel - [linux-stable-rc:linux-4.19.y 3882/4040] crypto/sha3_generic.c:164:1: warning: the frame size of 3480 bytes is larger than 2048 bytes

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Message-ID: <202108302355.W1RXGq01-lkp@intel.com>
Date:   Mon, 30 Aug 2021 23:52:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Heiko Carstens <hca@...ux.ibm.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [linux-stable-rc:linux-4.19.y 3882/4040]
 crypto/sha3_generic.c:164:1: warning: the frame size of 3480 bytes is larger
 than 2048 bytes

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
head:   5a3ba2f90f8789162a03e07a37224bab4c643d1d
commit: b97ed64cf80b072cb765c3b9389a7f19df2dd595 [3882/4040] init/Kconfig: make COMPILE_TEST depend on !S390
config: s390-randconfig-r012-20210830 (attached as .config)
compiler: s390-linux-gcc (GCC) 11.2.0
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/stable/linux-stable-rc.git/commit/?id=b97ed64cf80b072cb765c3b9389a7f19df2dd595
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.19.y
        git checkout b97ed64cf80b072cb765c3b9389a7f19df2dd595
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=s390 

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

All warnings (new ones prefixed by >>):

   crypto/sha3_generic.c: In function 'keccakf':
>> crypto/sha3_generic.c:164:1: warning: the frame size of 3480 bytes is larger than 2048 bytes [-Wframe-larger-than=]
     164 | }
         | ^


vim +164 crypto/sha3_generic.c

4767b9ad7d762876 Ard Biesheuvel 2018-01-27  154  
f044a84e040b85cd Dmitry Vyukov  2018-06-08  155  static void keccakf(u64 st[25])
4767b9ad7d762876 Ard Biesheuvel 2018-01-27  156  {
4767b9ad7d762876 Ard Biesheuvel 2018-01-27  157  	int round;
53964b9ee63b7075 Jeff Garzik    2016-06-17  158  
4767b9ad7d762876 Ard Biesheuvel 2018-01-27  159  	for (round = 0; round < KECCAK_ROUNDS; round++) {
4767b9ad7d762876 Ard Biesheuvel 2018-01-27  160  		keccakf_round(st);
53964b9ee63b7075 Jeff Garzik    2016-06-17  161  		/* Iota */
53964b9ee63b7075 Jeff Garzik    2016-06-17  162  		st[0] ^= keccakf_rndc[round];
53964b9ee63b7075 Jeff Garzik    2016-06-17  163  	}
53964b9ee63b7075 Jeff Garzik    2016-06-17 @164  }
53964b9ee63b7075 Jeff Garzik    2016-06-17  165  

:::::: The code at line 164 was first introduced by commit
:::::: 53964b9ee63b7075931b8df85307c449da564b50 crypto: sha3 - Add SHA-3 hash algorithm

:::::: TO: Jeff Garzik <jeff@...zik.org>
:::::: CC: Herbert Xu <herbert@...dor.apana.org.au>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (10576 bytes)