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Message-ID: <202011042312.Yk9oo4eX-lkp@intel.com>
Date: Wed, 4 Nov 2020 23:50:18 +0800
From: kernel test robot <lkp@...el.com>
To: "Jason A. Donenfeld" <zx2c4@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: include/crypto/chacha.h:78: undefined reference to `chacha_init_arch'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4ef8451b332662d004df269d4cdeb7d9f31419b5
commit: e7096c131e5161fa3b8e52a650d7719d2857adfd net: WireGuard secure network tunnel
date: 11 months ago
config: arm-randconfig-r031-20201104 (attached as .config)
compiler: arm-linux-gnueabi-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/torvalds/linux.git/commit/?id=e7096c131e5161fa3b8e52a650d7719d2857adfd
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e7096c131e5161fa3b8e52a650d7719d2857adfd
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:78: undefined reference to `chacha_init_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `hchacha_block':
>> include/crypto/chacha.h:49: undefined reference to `hchacha_block_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:78: undefined reference to `chacha_init_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_crypt':
>> include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
>> arm-linux-gnueabi-ld: include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:78: undefined reference to `chacha_init_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_crypt':
>> include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
>> arm-linux-gnueabi-ld: include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_init':
>> include/crypto/chacha.h:78: undefined reference to `chacha_init_arch'
>> arm-linux-gnueabi-ld: include/crypto/chacha.h:78: undefined reference to `chacha_init_arch'
arm-linux-gnueabi-ld: lib/crypto/chacha20poly1305.o: in function `chacha_crypt':
>> include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
>> arm-linux-gnueabi-ld: include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
>> arm-linux-gnueabi-ld: include/crypto/chacha.h:92: undefined reference to `chacha_crypt_arch'
vim +78 include/crypto/chacha.h
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 45
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 46 static inline void hchacha_block(const u32 *state, u32 *out, int nrounds)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 47 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 48 if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CHACHA))
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 @49 hchacha_block_arch(state, out, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 50 else
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 51 hchacha_block_generic(state, out, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 52 }
1ca1b917940c24 Eric Biggers 2018-11-16 53
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 54 void chacha_init_arch(u32 *state, const u32 *key, const u8 *iv);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 55 static inline void chacha_init_generic(u32 *state, const u32 *key, const u8 *iv)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 56 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 57 state[0] = 0x61707865; /* "expa" */
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 58 state[1] = 0x3320646e; /* "nd 3" */
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 59 state[2] = 0x79622d32; /* "2-by" */
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 60 state[3] = 0x6b206574; /* "te k" */
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 61 state[4] = key[0];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 62 state[5] = key[1];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 63 state[6] = key[2];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 64 state[7] = key[3];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 65 state[8] = key[4];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 66 state[9] = key[5];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 67 state[10] = key[6];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 68 state[11] = key[7];
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 69 state[12] = get_unaligned_le32(iv + 0);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 70 state[13] = get_unaligned_le32(iv + 4);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 71 state[14] = get_unaligned_le32(iv + 8);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 72 state[15] = get_unaligned_le32(iv + 12);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 73 }
1ca1b917940c24 Eric Biggers 2018-11-16 74
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 75 static inline void chacha_init(u32 *state, const u32 *key, const u8 *iv)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 76 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 77 if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CHACHA))
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 @78 chacha_init_arch(state, key, iv);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 79 else
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 80 chacha_init_generic(state, key, iv);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 81 }
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 82
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 83 void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src,
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 84 unsigned int bytes, int nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 85 void chacha_crypt_generic(u32 *state, u8 *dst, const u8 *src,
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 86 unsigned int bytes, int nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 87
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 88 static inline void chacha_crypt(u32 *state, u8 *dst, const u8 *src,
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 89 unsigned int bytes, int nrounds)
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 90 {
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 91 if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_CHACHA))
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 @92 chacha_crypt_arch(state, dst, src, bytes, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 93 else
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 94 chacha_crypt_generic(state, dst, src, bytes, nrounds);
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 95 }
5fb8ef25803ef3 Ard Biesheuvel 2019-11-08 96
:::::: The code at line 78 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>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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