Received-SPF: pass (google.com: domain of linux-crypto+bounces-4435-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
From: Jarkko Sakkinen <jarkko@kernel.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-integrity@vger.kernel.org,
	keyrings@vger.kernel.org,
	Andreas.Fuchs@infineon.com,
	James Prestwood <prestwoj@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Eric Biggers <ebiggers@kernel.org>,
	James Bottomley <James.Bottomley@hansenpartnership.com>,
	linux-crypto@vger.kernel.org,
	Stefan Berger <stefanb@linux.ibm.com>,
	Jarkko Sakkinen <jarkko@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	linux-kernel@vger.kernel.org (open list),
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	Mimi Zohar <zohar@linux.ibm.com>,
	David Howells <dhowells@redhat.com>,
	Paul Moore <paul@paul-moore.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	linux-security-module@vger.kernel.org (open list:SECURITY SUBSYSTEM)
Subject: [PATCH v6 3/6] KEYS: trusted: Change -EINVAL to -E2BIG
Date: Tue, 28 May 2024 06:51:18 +0300
Message-ID: <20240528035136.11464-4-jarkko@kernel.org>
In-Reply-To: <20240528035136.11464-1-jarkko@kernel.org>
References: <20240528035136.11464-1-jarkko@kernel.org>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Report -E2BIG instead of -EINVAL when too large size for the key blob is
requested.

Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
---
 security/keys/trusted-keys/trusted_tpm2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/keys/trusted-keys/trusted_tpm2.c b/security/keys/trusted-keys/trusted_tpm2.c
index 8b7dd73d94c1..06c8fa7b21ae 100644
--- a/security/keys/trusted-keys/trusted_tpm2.c
+++ b/security/keys/trusted-keys/trusted_tpm2.c
@@ -122,7 +122,7 @@ static int tpm2_key_decode(struct trusted_key_payload *payload,
 		return ret;
 
 	if (ctx.priv_len + ctx.pub_len > MAX_BLOB_SIZE)
-		return -EINVAL;
+		return -E2BIG;
 
 	blob = kmalloc(ctx.priv_len + ctx.pub_len + 4, GFP_KERNEL);
 	if (!blob)
-- 
2.45.1