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author | Pauli <ppzgs1@gmail.com> | 2021-03-17 11:40:13 +1000 |
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committer | Pauli <ppzgs1@gmail.com> | 2021-03-18 21:14:56 +1000 |
commit | b875e0e820b07420429ebb90724ed28686a98853 (patch) | |
tree | c8a73b6089a010080078203e103b315c4cc33aec /crypto/modes | |
parent | cf3306dc6b37cc24ea50cebc227a9354fefce158 (diff) | |
download | openssl-new-b875e0e820b07420429ebb90724ed28686a98853.tar.gz |
modes: fix coverity 1449851: overlapping memory copy
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14584)
Diffstat (limited to 'crypto/modes')
-rw-r--r-- | crypto/modes/cbc128.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/modes/cbc128.c b/crypto/modes/cbc128.c index df0ab244f8..9ac9299f65 100644 --- a/crypto/modes/cbc128.c +++ b/crypto/modes/cbc128.c @@ -114,7 +114,8 @@ void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, out += 16; } } - memcpy(ivec, iv, 16); + if (ivec != iv) + memcpy(ivec, iv, 16); } else { if (STRICT_ALIGNMENT && ((size_t)in | (size_t)out | (size_t)ivec) % sizeof(size_t) != 0) { |