1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/aead.c b/crypto/aead.c
index 3a6f3f5..d9aa733 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -422,6 +422,22 @@ static struct crypto_alg *crypto_lookup_aead(const char *name, u32 type,
 	if (!alg->cra_aead.ivsize)
 		return alg;
 
+	crypto_mod_put(alg);
+	alg = crypto_alg_mod_lookup(name, type | CRYPTO_ALG_TESTED,
+				    mask & ~CRYPTO_ALG_TESTED);
+	if (IS_ERR(alg))
+		return alg;
+
+	if (alg->cra_type == &crypto_aead_type) {
+		if ((alg->cra_flags ^ type ^ ~mask) & CRYPTO_ALG_TESTED) {
+			crypto_mod_put(alg);
+			alg = ERR_PTR(-ENOENT);
+		}
+		return alg;
+	}
+
+	BUG_ON(!alg->cra_aead.ivsize);
+
 	return ERR_PTR(crypto_nivaead_default(alg, type, mask));
 }