diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2022-12-21 14:58:08 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-12-30 22:56:27 +0800 |
| commit | e20d5a22bd241c5084184bcf69dfb6eddc35417f (patch) | |
| tree | 5e681a2629cce43008f44467f8ffe1273a0e6b89 /lib/crypto | |
| parent | 49bc6a7786b7d03eab6912a88d09a7991a32174e (diff) | |
| download | linux-e20d5a22bd241c5084184bcf69dfb6eddc35417f.tar.gz | |
crypto: lib/blake2s - Split up test function to halve stack usage
Reduce the stack usage further by splitting up the test function.
Also squash blocks and unaligned_blocks into one array.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'lib/crypto')
| -rw-r--r-- | lib/crypto/blake2s-selftest.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/lib/crypto/blake2s-selftest.c b/lib/crypto/blake2s-selftest.c index 7d77dea15587..d0634ed6a937 100644 --- a/lib/crypto/blake2s-selftest.c +++ b/lib/crypto/blake2s-selftest.c @@ -545,7 +545,7 @@ static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = { 0xd6, 0x98, 0x6b, 0x07, 0x10, 0x65, 0x52, 0x65, }, }; -bool __init blake2s_selftest(void) +static bool __init noinline_for_stack blake2s_digest_test(void) { u8 key[BLAKE2S_KEY_SIZE]; u8 buf[ARRAY_SIZE(blake2s_testvecs)]; @@ -589,11 +589,20 @@ bool __init blake2s_selftest(void) } } + return success; +} + +static bool __init noinline_for_stack blake2s_random_test(void) +{ + struct blake2s_state state; + bool success = true; + int i, l; + for (i = 0; i < 32; ++i) { enum { TEST_ALIGNMENT = 16 }; - u8 unaligned_block[BLAKE2S_BLOCK_SIZE + TEST_ALIGNMENT - 1] + u8 blocks[BLAKE2S_BLOCK_SIZE * 2 + TEST_ALIGNMENT - 1] __aligned(TEST_ALIGNMENT); - u8 blocks[BLAKE2S_BLOCK_SIZE * 2]; + u8 *unaligned_block = blocks + BLAKE2S_BLOCK_SIZE; struct blake2s_state state1, state2; get_random_bytes(blocks, sizeof(blocks)); @@ -630,3 +639,13 @@ bool __init blake2s_selftest(void) return success; } + +bool __init blake2s_selftest(void) +{ + bool success; + + success = blake2s_digest_test(); + success &= blake2s_random_test(); + + return success; +} |