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Fix doublefree after failure in ossl_siv128_init() 

The issue was reported by Ronald Crane from Zippenhop LLC.

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/28644)
This commit is contained in:
Tomas Mraz 2025-09-23 17:00:00 +02:00
parent 03a9584499
commit 3185e27624
1 changed files with 3 additions and 0 deletions
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3
crypto/modes/siv128.c
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@ -202,9 +202,12 @@ int ossl_siv128_init(SIV128_CONTEXT *ctx, const unsigned char *key, int klen,
|| !EVP_MAC_final(mac_ctx, ctx->d.byte, &out_len,
sizeof(ctx->d.byte))) {
EVP_CIPHER_CTX_free(ctx->cipher_ctx);
ctx->cipher_ctx = NULL;
EVP_MAC_CTX_free(ctx->mac_ctx_init);
ctx->mac_ctx_init = NULL;
EVP_MAC_CTX_free(mac_ctx);
EVP_MAC_free(ctx->mac);
ctx->mac = NULL;
return 0;
}
EVP_MAC_CTX_free(mac_ctx);