Hi, Here is a patch fixing the subject.
Regards, -- Sergey Shinderuk https://postgrespro.com/
diff --git a/src/common/hmac.c b/src/common/hmac.c index 1089db67443..bfe2e7cb5e9 100644 --- a/src/common/hmac.c +++ b/src/common/hmac.c @@ -232,7 +232,10 @@ pg_hmac_final(pg_hmac_ctx *ctx, uint8 *dest, size_t len) memset(h, 0, ctx->digest_size); if (pg_cryptohash_final(ctx->hash, h, ctx->digest_size) < 0) + { + FREE(h); return -1; + } /* H(K XOR opad, tmp) */ if (pg_cryptohash_init(ctx->hash) < 0 || @@ -240,9 +243,11 @@ pg_hmac_final(pg_hmac_ctx *ctx, uint8 *dest, size_t len) pg_cryptohash_update(ctx->hash, h, ctx->digest_size) < 0 || pg_cryptohash_final(ctx->hash, dest, len) < 0) { + FREE(h); return -1; } + FREE(h); return 0; }