tree: https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git wip-blake2 head: 244ea8ef55675853970a57412364a0e736bb2db8 commit: 660890d79b90bcaac40a8294da4c39b752c8b6fe [9/10] crypto: blake2s - share the "shash" API boilerplate code config: mips-randconfig-r016-20201217 (attached as .config) compiler: mips64-linux-gcc (GCC) 9.3.0 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/ebiggers/linux.git/commit... git remote add ebiggers https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git git fetch --no-tags ebiggers wip-blake2 git checkout 660890d79b90bcaac40a8294da4c39b752c8b6fe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): crypto/Kconfig:65: symbol CRYPTO_HASH is selected by CRYPTO_BLAKE2S crypto/Kconfig:681: symbol CRYPTO_BLAKE2S is selected by CRYPTO_HASH For a resolution refer to Documentation/kbuild/kconfig-language.rst subsection "Kconfig recursive dependency limitations" vim +65 crypto/Kconfig 584fffc8b1965cc Sebastian Siewior 2008-04-05 24 ccb778e1841ce04 Neil Horman 2008-08-05 25 config CRYPTO_FIPS ccb778e1841ce04 Neil Horman 2008-08-05 26 bool "FIPS 200 compliance" f2c89a10de4fd12 Herbert Xu 2014-07-04 27 depends on (CRYPTO_ANSI_CPRNG || CRYPTO_DRBG) && !CRYPTO_MANAGER_DISABLE_TESTS 1f696097ad000b0 Alec Ari 2016-10-04 28 depends on (MODULE_SIG || !MODULES) ccb778e1841ce04 Neil Horman 2008-08-05 29 help d99324c22643f5e Geert Uytterhoeven 2019-03-20 30 This option enables the fips boot option which is d99324c22643f5e Geert Uytterhoeven 2019-03-20 31 required if you want the system to operate in a FIPS 200 ccb778e1841ce04 Neil Horman 2008-08-05 32 certification. You should say no unless you know what e84c5480b782c40 Chuck Ebbert 2010-09-03 33 this is. ccb778e1841ce04 Neil Horman 2008-08-05 34 cce9e06d100df19 Herbert Xu 2006-08-21 35 config CRYPTO_ALGAPI cce9e06d100df19 Herbert Xu 2006-08-21 36 tristate 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 37 select CRYPTO_ALGAPI2 cce9e06d100df19 Herbert Xu 2006-08-21 38 help cce9e06d100df19 Herbert Xu 2006-08-21 39 This option provides the API for cryptographic algorithms. cce9e06d100df19 Herbert Xu 2006-08-21 40 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 41 config CRYPTO_ALGAPI2 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 42 tristate 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 43 1ae978208e2ee9b Herbert Xu 2007-08-30 44 config CRYPTO_AEAD 1ae978208e2ee9b Herbert Xu 2007-08-30 45 tristate 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 46 select CRYPTO_AEAD2 1ae978208e2ee9b Herbert Xu 2007-08-30 47 select CRYPTO_ALGAPI 1ae978208e2ee9b Herbert Xu 2007-08-30 48 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 49 config CRYPTO_AEAD2 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 50 tristate 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 51 select CRYPTO_ALGAPI2 149a39717dcce3b Herbert Xu 2015-08-13 52 select CRYPTO_NULL2 149a39717dcce3b Herbert Xu 2015-08-13 53 select CRYPTO_RNG2 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 54 b95bba5d01141ba Eric Biggers 2019-10-25 55 config CRYPTO_SKCIPHER 5cde0af2a9825dd Herbert Xu 2006-08-22 56 tristate b95bba5d01141ba Eric Biggers 2019-10-25 57 select CRYPTO_SKCIPHER2 5cde0af2a9825dd Herbert Xu 2006-08-22 58 select CRYPTO_ALGAPI 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 59 b95bba5d01141ba Eric Biggers 2019-10-25 60 config CRYPTO_SKCIPHER2 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 61 tristate 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 62 select CRYPTO_ALGAPI2 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 63 select CRYPTO_RNG2 5cde0af2a9825dd Herbert Xu 2006-08-22 64 055bcee3102dc35 Herbert Xu 2006-08-19 @65 config CRYPTO_HASH 055bcee3102dc35 Herbert Xu 2006-08-19 66 tristate 6a0fcbb4dad15f0 Herbert Xu 2008-12-10 67 select CRYPTO_HASH2 055bcee3102dc35 Herbert Xu 2006-08-19 68 select CRYPTO_ALGAPI 055bcee3102dc35 Herbert Xu 2006-08-19 69 :::::: The code at line 65 was first introduced by commit :::::: 055bcee3102dc35f019b69df9c2618e9d6dd1c09 [CRYPTO] digest: Added user API for new hash type :::::: TO: Herbert Xu <herbert(a)gondor.apana.org.au&gt; :::::: CC: Herbert Xu <herbert(a)gondor.apana.org.au&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org