tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 18c107a1f120d095404d141dfad8f594bdc44020 commit: 2d16803c562ecc644803d42ba98a8e0aef9c014e [1663/12552] crypto: blake2s - remove shash module config: mips-randconfig-c004-20220724 (https://download.01.org/0day-ci/archive/20220725/202207251313.gKhpElEq-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 12fbd2d377e396ad61bce56d71c98a1eb1bebfa9) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mipsel-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2d16803c562ecc644803d42ba98a8e0aef9c014e git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 2d16803c562ecc644803d42ba98a8e0aef9c014e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash lib/crypto/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> lib/crypto/blake2s-selftest.c:548:13: warning: stack frame size (1120) exceeds limit (1024) in 'blake2s_selftest' [-Wframe-larger-than] bool __init blake2s_selftest(void) ^ 1 warning generated. vim +/blake2s_selftest +548 lib/crypto/blake2s-selftest.c 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 547 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 @548 bool __init blake2s_selftest(void) 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 549 { 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 550 u8 key[BLAKE2S_KEY_SIZE]; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 551 u8 buf[ARRAY_SIZE(blake2s_testvecs)]; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 552 u8 hash[BLAKE2S_HASH_SIZE]; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 553 struct blake2s_state state; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 554 bool success = true; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 555 int i, l; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 556 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 557 key[0] = key[1] = 1; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 558 for (i = 2; i < sizeof(key); ++i) 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 559 key[i] = key[i - 2] + key[i - 1]; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 560 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 561 for (i = 0; i < sizeof(buf); ++i) 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 562 buf[i] = (u8)i; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 563 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 564 for (i = l = 0; i < ARRAY_SIZE(blake2s_testvecs); l = (l + 37) % ++i) { 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 565 int outlen = 1 + i % BLAKE2S_HASH_SIZE; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 566 int keylen = (13 * i) % (BLAKE2S_KEY_SIZE + 1); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 567 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 568 blake2s(hash, buf, key + BLAKE2S_KEY_SIZE - keylen, outlen, i, 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 569 keylen); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 570 if (memcmp(hash, blake2s_testvecs[i], outlen)) { 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 571 pr_err("blake2s self-test %d: FAIL\n", i + 1); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 572 success = false; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 573 } 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 574 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 575 if (!keylen) 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 576 blake2s_init(&state, outlen); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 577 else 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 578 blake2s_init_key(&state, outlen, 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 579 key + BLAKE2S_KEY_SIZE - keylen, 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 580 keylen); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 581 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 582 blake2s_update(&state, buf, l); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 583 blake2s_update(&state, buf + l, i - l); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 584 blake2s_final(&state, hash); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 585 if (memcmp(hash, blake2s_testvecs[i], outlen)) { 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 586 pr_err("blake2s init/update/final self-test %d: FAIL\n", 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 587 i + 1); 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 588 success = false; 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 589 } 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 590 } 66d7fb94e4ffe5 Jason A. Donenfeld 2019-11-08 591 2d16803c562ecc Jason A. Donenfeld 2022-05-28 592 for (i = 0; i < 32; ++i) { 2d16803c562ecc Jason A. Donenfeld 2022-05-28 593 enum { TEST_ALIGNMENT = 16 }; 2d16803c562ecc Jason A. Donenfeld 2022-05-28 594 u8 unaligned_block[BLAKE2S_BLOCK_SIZE + TEST_ALIGNMENT - 1] 2d16803c562ecc Jason A. Donenfeld 2022-05-28 595 __aligned(TEST_ALIGNMENT); 2d16803c562ecc Jason A. Donenfeld 2022-05-28 596 u8 blocks[BLAKE2S_BLOCK_SIZE * 3]; 2d16803c562ecc Jason A. Donenfeld 2022-05-28 597 struct blake2s_state state1, state2; 2d16803c562ecc Jason A. Donenfeld 2022-05-28 598 2d16803c562ecc Jason A. Donenfeld 2022-05-28 599 get_random_bytes(blocks, sizeof(blocks)); 2d16803c562ecc Jason A. Donenfeld 2022-05-28 600 get_random_bytes(&state, sizeof(state)); 2d16803c562ecc Jason A. Donenfeld 2022-05-28 601 :::::: The code at line 548 was first introduced by commit :::::: 66d7fb94e4ffe5acc589e0b2b4710aecc1f07a28 crypto: blake2s - generic C library implementation and selftest :::::: TO: Jason A. Donenfeld <Jason@xxxxxxxxx> :::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
