Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net

Two new tls tests added in parallel in both net and net-next.

Used Stephen Rothwell's linux-next resolution.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 32 insertions, 18 deletions

diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 292742e50bfa..961b07d4d41c 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -686,7 +686,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
 		goto free_marker_record;
 	}
 
-	crypto_info = &ctx->crypto_send;
+	crypto_info = &ctx->crypto_send.info;
 	switch (crypto_info->cipher_type) {
 	case TLS_CIPHER_AES_GCM_128:
 		nonce_size = TLS_CIPHER_AES_GCM_128_IV_SIZE;
@@ -780,7 +780,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
 
 	ctx->priv_ctx_tx = offload_ctx;
 	rc = netdev->tlsdev_ops->tls_dev_add(netdev, sk, TLS_OFFLOAD_CTX_DIR_TX,
-					     &ctx->crypto_send,
+					     &ctx->crypto_send.info,
 					     tcp_sk(sk)->write_seq);
 	if (rc)
 		goto release_netdev;
@@ -862,7 +862,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx)
 		goto release_ctx;
 
 	rc = netdev->tlsdev_ops->tls_dev_add(netdev, sk, TLS_OFFLOAD_CTX_DIR_RX,
-					     &ctx->crypto_recv,
+					     &ctx->crypto_recv.info,
 					     tcp_sk(sk)->copied_seq);
 	if (rc) {
 		pr_err_ratelimited("%s: The netdev has refused to offload this socket\n",
diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c
index 6102169239d1..450a6dbc5a88 100644
--- a/net/tls/tls_device_fallback.c
+++ b/net/tls/tls_device_fallback.c
@@ -320,7 +320,7 @@ static struct sk_buff *tls_enc_skb(struct tls_context *tls_ctx,
 		goto free_req;
 
 	iv = buf;
-	memcpy(iv, tls_ctx->crypto_send_aes_gcm_128.salt,
+	memcpy(iv, tls_ctx->crypto_send.aes_gcm_128.salt,
 	       TLS_CIPHER_AES_GCM_128_SALT_SIZE);
 	aad = buf + TLS_CIPHER_AES_GCM_128_SALT_SIZE +
 	      TLS_CIPHER_AES_GCM_128_IV_SIZE;
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 180b6640e531..523622dc74f8 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -241,6 +241,16 @@ static void tls_write_space(struct sock *sk)
 	ctx->sk_write_space(sk);
 }
 
+static void tls_ctx_free(struct tls_context *ctx)
+{
+	if (!ctx)
+		return;
+
+	memzero_explicit(&ctx->crypto_send, sizeof(ctx->crypto_send));
+	memzero_explicit(&ctx->crypto_recv, sizeof(ctx->crypto_recv));
+	kfree(ctx);
+}
+
 static void tls_sk_proto_close(struct sock *sk, long timeout)
 {
 	struct tls_context *ctx = tls_get_ctx(sk);
@@ -294,7 +304,7 @@ static void tls_sk_proto_close(struct sock *sk, long timeout)
 #else
 	{
 #endif
-		kfree(ctx);
+		tls_ctx_free(ctx);
 		ctx = NULL;
 	}
 
@@ -305,7 +315,7 @@ skip_tx_cleanup:
 	 * for sk->sk_prot->unhash [tls_hw_unhash]
 	 */
 	if (free_ctx)
-		kfree(ctx);
+		tls_ctx_free(ctx);
 }
 
 static int do_tls_getsockopt_tx(struct sock *sk, char __user *optval,
@@ -330,7 +340,7 @@ static int do_tls_getsockopt_tx(struct sock *sk, char __user *optval,
 	}
 
 	/* get user crypto info */
-	crypto_info = &ctx->crypto_send;
+	crypto_info = &ctx->crypto_send.info;
 
 	if (!TLS_CRYPTO_INFO_READY(crypto_info)) {
 		rc = -EBUSY;
@@ -417,9 +427,9 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval,
 	}
 
 	if (tx)
-		crypto_info = &ctx->crypto_send;
+		crypto_info = &ctx->crypto_send.info;
 	else
-		crypto_info = &ctx->crypto_recv;
+		crypto_info = &ctx->crypto_recv.info;
 
 	/* Currently we don't support set crypto info more than one time */
 	if (TLS_CRYPTO_INFO_READY(crypto_info)) {
@@ -499,7 +509,7 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval,
 	goto out;
 
 err_crypto_info:
-	memset(crypto_info, 0, sizeof(*crypto_info));
+	memzero_explicit(crypto_info, sizeof(union tls_crypto_context));
 out:
 	return rc;
 }
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index f4aa7cdb01ca..5ff51bac8b46 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1109,6 +1109,13 @@ pick_next_record:
 			} else {
 				break;
 			}
+		} else {
+			/* MSG_PEEK right now cannot look beyond current skb
+			 * from strparser, meaning we cannot advance skb here
+			 * and thus unpause strparser since we'd loose original
+			 * one.
+			 */
+			break;
 		}
 
 		/* If we have a new message from strparser, continue now. */
@@ -1250,8 +1257,8 @@ static int tls_read_size(struct strparser *strp, struct sk_buff *skb)
 		goto read_failure;
 	}
 
-	if (header[1] != TLS_VERSION_MINOR(tls_ctx->crypto_recv.version) ||
-	    header[2] != TLS_VERSION_MAJOR(tls_ctx->crypto_recv.version)) {
+	if (header[1] != TLS_VERSION_MINOR(tls_ctx->crypto_recv.info.version) ||
+	    header[2] != TLS_VERSION_MAJOR(tls_ctx->crypto_recv.info.version)) {
 		ret = -EINVAL;
 		goto read_failure;
 	}
@@ -1331,7 +1338,6 @@ void tls_sw_free_resources_rx(struct sock *sk)
 
 int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
 {
-	char keyval[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
 	struct tls_crypto_info *crypto_info;
 	struct tls12_crypto_info_aes_gcm_128 *gcm_128_info;
 	struct tls_sw_context_tx *sw_ctx_tx = NULL;
@@ -1376,12 +1382,12 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
 
 	if (tx) {
 		crypto_init_wait(&sw_ctx_tx->async_wait);
-		crypto_info = &ctx->crypto_send;
+		crypto_info = &ctx->crypto_send.info;
 		cctx = &ctx->tx;
 		aead = &sw_ctx_tx->aead_send;
 	} else {
 		crypto_init_wait(&sw_ctx_rx->async_wait);
-		crypto_info = &ctx->crypto_recv;
+		crypto_info = &ctx->crypto_recv.info;
 		cctx = &ctx->rx;
 		aead = &sw_ctx_rx->aead_recv;
 	}
@@ -1460,9 +1466,7 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
 
 	ctx->push_pending_record = tls_sw_push_pending_record;
 
-	memcpy(keyval, gcm_128_info->key, TLS_CIPHER_AES_GCM_128_KEY_SIZE);
-
-	rc = crypto_aead_setkey(*aead, keyval,
+	rc = crypto_aead_setkey(*aead, gcm_128_info->key,
 				TLS_CIPHER_AES_GCM_128_KEY_SIZE);
 	if (rc)
 		goto free_aead;