From 206da660a37e84b7266db4e2c4e9485cdafb1366 Mon Sep 17 00:00:00 2001 From: Pauli Date: Mon, 27 Apr 2020 09:28:55 +1000 Subject: [PATCH] coverity 1462580 Improper use of negative value Reviewed-by: Tomas Mraz (Merged from https://github.com/openssl/openssl/pull/11651) --- crypto/hmac/hmac.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/crypto/hmac/hmac.c b/crypto/hmac/hmac.c index b49baec4c1..6c1a70e4bd 100644 --- a/crypto/hmac/hmac.c +++ b/crypto/hmac/hmac.c @@ -55,6 +55,8 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, j = EVP_MD_block_size(md); if (!ossl_assert(j <= (int)sizeof(keytmp))) return 0; + if (j < 0) + return 0; if (j < len) { if (!EVP_DigestInit_ex(ctx->md_ctx, md, impl) || !EVP_DigestUpdate(ctx->md_ctx, key, len) -- 2.25.1