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Date: Sun, 3 Jul 2022 06:49:58 +0800
From: kernel test robot <lkp@...el.com>
To: Vladis Dronov <vdronov@...hat.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Herbert Xu <herbert@...dor.apana.org.au>,
Harald Freudenberger <freude@...ux.ibm.com>
Subject: include/crypto/chacha.h:100: undefined reference to
`chacha_crypt_arch'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 69cb6c6556ad89620547318439d6be8bb1629a5a
commit: 349d03ffd5f62c298fd667ffa397c3fdc5c6194b crypto: s390 - add crypto library interface for ChaCha20
date: 7 weeks ago
config: s390-buildonly-randconfig-r005-20220703 (https://download.01.org/0day-ci/archive/20220703/202207030630.6SZVkrWf-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.3.0
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/torvalds/linux.git/commit/?id=349d03ffd5f62c298fd667ffa397c3fdc5c6194b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 349d03ffd5f62c298fd667ffa397c3fdc5c6194b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 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@...el.com>
All errors (new ones prefixed by >>):
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `chacha_crypt':
>> include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
>> s390-linux-ld: include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:86: undefined reference to `chacha_init_arch'
>> s390-linux-ld: include/crypto/chacha.h:86: undefined reference to `chacha_init_arch'
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `hchacha_block':
>> include/crypto/chacha.h:45: undefined reference to `hchacha_block_arch'
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:86: undefined reference to `chacha_init_arch'
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `chacha_crypt':
>> include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
>> s390-linux-ld: include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:86: undefined reference to `chacha_init_arch'
>> s390-linux-ld: include/crypto/chacha.h:86: undefined reference to `chacha_init_arch'
s390-linux-ld: lib/crypto/chacha20poly1305.o: in function `chacha_crypt':
>> include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
>> s390-linux-ld: include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
>> s390-linux-ld: include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
s390-linux-ld: lib/crypto/chacha20poly1305-selftest.o: in function `chacha_init':
>> include/crypto/chacha.h:86: undefined reference to `chacha_init_arch'
s390-linux-ld: lib/crypto/chacha20poly1305-selftest.o: in function `chacha_crypt':
>> include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
>> s390-linux-ld: include/crypto/chacha.h:100: undefined reference to `chacha_crypt_arch'
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for CRYPTO_LIB_CHACHA20POLY1305
Depends on (CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA && (CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305 && CRYPTO
Selected by
- WIREGUARD && NETDEVICES && NET_CORE && NET && INET && (IPV6 || !IPV6
vim +100 include/crypto/chacha.h
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 41
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 42 static inline void hchacha_block(const u32 *state, u32 *out, int nrounds)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 43 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 44 if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CHACHA))
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 @45 hchacha_block_arch(state, out, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 46 else
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 47 hchacha_block_generic(state, out, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 48 }
1ca1b917940c24 Eric Biggers 2018-11-16 49
96562f286884e2 Dominik Brodowski 2021-12-31 50 enum chacha_constants { /* expand 32-byte k */
96562f286884e2 Dominik Brodowski 2021-12-31 51 CHACHA_CONSTANT_EXPA = 0x61707865U,
96562f286884e2 Dominik Brodowski 2021-12-31 52 CHACHA_CONSTANT_ND_3 = 0x3320646eU,
96562f286884e2 Dominik Brodowski 2021-12-31 53 CHACHA_CONSTANT_2_BY = 0x79622d32U,
96562f286884e2 Dominik Brodowski 2021-12-31 54 CHACHA_CONSTANT_TE_K = 0x6b206574U
96562f286884e2 Dominik Brodowski 2021-12-31 55 };
96562f286884e2 Dominik Brodowski 2021-12-31 56
a181e0fdb21642 Eric Biggers 2021-03-21 57 static inline void chacha_init_consts(u32 *state)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 58 {
96562f286884e2 Dominik Brodowski 2021-12-31 59 state[0] = CHACHA_CONSTANT_EXPA;
96562f286884e2 Dominik Brodowski 2021-12-31 60 state[1] = CHACHA_CONSTANT_ND_3;
96562f286884e2 Dominik Brodowski 2021-12-31 61 state[2] = CHACHA_CONSTANT_2_BY;
96562f286884e2 Dominik Brodowski 2021-12-31 62 state[3] = CHACHA_CONSTANT_TE_K;
a181e0fdb21642 Eric Biggers 2021-03-21 63 }
a181e0fdb21642 Eric Biggers 2021-03-21 64
a181e0fdb21642 Eric Biggers 2021-03-21 65 void chacha_init_arch(u32 *state, const u32 *key, const u8 *iv);
a181e0fdb21642 Eric Biggers 2021-03-21 66 static inline void chacha_init_generic(u32 *state, const u32 *key, const u8 *iv)
a181e0fdb21642 Eric Biggers 2021-03-21 67 {
a181e0fdb21642 Eric Biggers 2021-03-21 68 chacha_init_consts(state);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 69 state[4] = key[0];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 70 state[5] = key[1];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 71 state[6] = key[2];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 72 state[7] = key[3];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 73 state[8] = key[4];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 74 state[9] = key[5];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 75 state[10] = key[6];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 76 state[11] = key[7];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 77 state[12] = get_unaligned_le32(iv + 0);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 78 state[13] = get_unaligned_le32(iv + 4);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 79 state[14] = get_unaligned_le32(iv + 8);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 80 state[15] = get_unaligned_le32(iv + 12);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 81 }
1ca1b917940c24 Eric Biggers 2018-11-16 82
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 83 static inline void chacha_init(u32 *state, const u32 *key, const u8 *iv)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 84 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 85 if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CHACHA))
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 @86 chacha_init_arch(state, key, iv);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 87 else
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 88 chacha_init_generic(state, key, iv);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 89 }
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 90
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 91 void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src,
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 92 unsigned int bytes, int nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 93 void chacha_crypt_generic(u32 *state, u8 *dst, const u8 *src,
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 94 unsigned int bytes, int nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 95
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 96 static inline void chacha_crypt(u32 *state, u8 *dst, const u8 *src,
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 97 unsigned int bytes, int nrounds)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 98 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 99 if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CHACHA))
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 @100 chacha_crypt_arch(state, dst, src, bytes, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 101 else
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 102 chacha_crypt_generic(state, dst, src, bytes, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 103 }
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 104
:::::: The code at line 100 was first introduced by commit
:::::: 5fb8ef25803ef33e2eb60b626435828b937bed75 crypto: chacha - move existing library code into lib/crypto
:::::: TO: Ard Biesheuvel <ardb@...nel.org>
:::::: CC: Herbert Xu <herbert@...dor.apana.org.au>
--
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