* [zx2c4-wireguard-linux:devel 1/6] lib/crypto/poly1305-selftest.c:1043:13: warning: no previous prototype for 'poly1305_selftest'
@ 2021-02-09 13:15 kernel test robot
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From: kernel test robot @ 2021-02-09 13:15 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/zx2c4/wireguard-linux.git devel
head: 1517ef03eb77d3abb5c947c57bef0ab76a3d9278
commit: cc7133c0ececb77230f4d8c66f0caff1bf450736 [1/6] crypto: poly1305 - add library selftests
config: arm-randconfig-p002-20210209 (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/zx2c4/wireguard-linux.git/commit/?id=cc7133c0ececb77230f4d8c66f0caff1bf450736
git remote add zx2c4-wireguard-linux https://git.kernel.org/pub/scm/linux/kernel/git/zx2c4/wireguard-linux.git
git fetch --no-tags zx2c4-wireguard-linux devel
git checkout cc7133c0ececb77230f4d8c66f0caff1bf450736
# 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@intel.com>
All warnings (new ones prefixed by >>):
>> lib/crypto/poly1305-selftest.c:1043:13: warning: no previous prototype for 'poly1305_selftest' [-Wmissing-prototypes]
1043 | bool __init poly1305_selftest(void)
| ^~~~~~~~~~~~~~~~~
vim +/poly1305_selftest +1043 lib/crypto/poly1305-selftest.c
1042
> 1043 bool __init poly1305_selftest(void)
1044 {
1045 bool success = true;
1046 size_t i, j;
1047
1048 for (i = 0; i < ARRAY_SIZE(poly1305_testvecs); ++i) {
1049 struct poly1305_desc_ctx poly1305;
1050 u8 out[POLY1305_DIGEST_SIZE];
1051
1052 memset(out, 0, sizeof(out));
1053 memset(&poly1305, 0, sizeof(poly1305));
1054 poly1305_init(&poly1305, poly1305_testvecs[i].key);
1055 poly1305_update(&poly1305, poly1305_testvecs[i].input,
1056 poly1305_testvecs[i].ilen);
1057 poly1305_final(&poly1305, out);
1058 if (memcmp(out, poly1305_testvecs[i].output,
1059 POLY1305_DIGEST_SIZE)) {
1060 pr_err("poly1305 self-test %zu: FAIL\n", i + 1);
1061 success = false;
1062 }
1063
1064 if (poly1305_testvecs[i].ilen <= 1)
1065 continue;
1066
1067 for (j = 1; j < poly1305_testvecs[i].ilen - 1; ++j) {
1068 memset(out, 0, sizeof(out));
1069 memset(&poly1305, 0, sizeof(poly1305));
1070 poly1305_init(&poly1305, poly1305_testvecs[i].key);
1071 poly1305_update(&poly1305, poly1305_testvecs[i].input, j);
1072 poly1305_update(&poly1305,
1073 poly1305_testvecs[i].input + j,
1074 poly1305_testvecs[i].ilen - j);
1075 poly1305_final(&poly1305, out);
1076 if (memcmp(out, poly1305_testvecs[i].output,
1077 POLY1305_DIGEST_SIZE)) {
1078 pr_err("poly1305 self-test %zu (split %zu): FAIL\n",
1079 i + 1, j);
1080 success = false;
1081 }
1082
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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2021-02-09 13:15 [zx2c4-wireguard-linux:devel 1/6] lib/crypto/poly1305-selftest.c:1043:13: warning: no previous prototype for 'poly1305_selftest' kernel test robot
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