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-rw-r--r--crypto/af_alg.c21
-rw-r--r--crypto/algif_aead.c56
-rw-r--r--crypto/algif_skcipher.c23
-rw-r--r--crypto/asymmetric_keys/pkcs7_parser.c4
-rw-r--r--crypto/asymmetric_keys/pkcs7_trust.c2
-rw-r--r--crypto/asymmetric_keys/pkcs7_verify.c9
-rw-r--r--crypto/asymmetric_keys/public_key.c7
-rw-r--r--crypto/asymmetric_keys/x509_cert_parser.c2
-rw-r--r--crypto/asymmetric_keys/x509_public_key.c8
-rw-r--r--crypto/skcipher.c3
10 files changed, 81 insertions, 54 deletions
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 85cea9de324a..358749c38894 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -1021,6 +1021,18 @@ unlock:
EXPORT_SYMBOL_GPL(af_alg_sendpage);
/**
+ * af_alg_free_resources - release resources required for crypto request
+ */
+void af_alg_free_resources(struct af_alg_async_req *areq)
+{
+ struct sock *sk = areq->sk;
+
+ af_alg_free_areq_sgls(areq);
+ sock_kfree_s(sk, areq, areq->areqlen);
+}
+EXPORT_SYMBOL_GPL(af_alg_free_resources);
+
+/**
* af_alg_async_cb - AIO callback handler
*
* This handler cleans up the struct af_alg_async_req upon completion of the
@@ -1036,18 +1048,13 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err)
struct kiocb *iocb = areq->iocb;
unsigned int resultlen;
- lock_sock(sk);
-
/* Buffer size written by crypto operation. */
resultlen = areq->outlen;
- af_alg_free_areq_sgls(areq);
- sock_kfree_s(sk, areq, areq->areqlen);
- __sock_put(sk);
+ af_alg_free_resources(areq);
+ sock_put(sk);
iocb->ki_complete(iocb, err ? err : resultlen, 0);
-
- release_sock(sk);
}
EXPORT_SYMBOL_GPL(af_alg_async_cb);
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index aacae0837aff..805f485ddf1b 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -101,10 +101,10 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
struct aead_tfm *aeadc = pask->private;
struct crypto_aead *tfm = aeadc->aead;
struct crypto_skcipher *null_tfm = aeadc->null_tfm;
- unsigned int as = crypto_aead_authsize(tfm);
+ unsigned int i, as = crypto_aead_authsize(tfm);
struct af_alg_async_req *areq;
- struct af_alg_tsgl *tsgl;
- struct scatterlist *src;
+ struct af_alg_tsgl *tsgl, *tmp;
+ struct scatterlist *rsgl_src, *tsgl_src = NULL;
int err = 0;
size_t used = 0; /* [in] TX bufs to be en/decrypted */
size_t outlen = 0; /* [out] RX bufs produced by kernel */
@@ -178,7 +178,22 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
}
processed = used + ctx->aead_assoclen;
- tsgl = list_first_entry(&ctx->tsgl_list, struct af_alg_tsgl, list);
+ list_for_each_entry_safe(tsgl, tmp, &ctx->tsgl_list, list) {
+ for (i = 0; i < tsgl->cur; i++) {
+ struct scatterlist *process_sg = tsgl->sg + i;
+
+ if (!(process_sg->length) || !sg_page(process_sg))
+ continue;
+ tsgl_src = process_sg;
+ break;
+ }
+ if (tsgl_src)
+ break;
+ }
+ if (processed && !tsgl_src) {
+ err = -EFAULT;
+ goto free;
+ }
/*
* Copy of AAD from source to destination
@@ -194,7 +209,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
*/
/* Use the RX SGL as source (and destination) for crypto op. */
- src = areq->first_rsgl.sgl.sg;
+ rsgl_src = areq->first_rsgl.sgl.sg;
if (ctx->enc) {
/*
@@ -207,7 +222,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
* v v
* RX SGL: AAD || PT || Tag
*/
- err = crypto_aead_copy_sgl(null_tfm, tsgl->sg,
+ err = crypto_aead_copy_sgl(null_tfm, tsgl_src,
areq->first_rsgl.sgl.sg, processed);
if (err)
goto free;
@@ -225,7 +240,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
*/
/* Copy AAD || CT to RX SGL buffer for in-place operation. */
- err = crypto_aead_copy_sgl(null_tfm, tsgl->sg,
+ err = crypto_aead_copy_sgl(null_tfm, tsgl_src,
areq->first_rsgl.sgl.sg, outlen);
if (err)
goto free;
@@ -257,23 +272,34 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
areq->tsgl);
} else
/* no RX SGL present (e.g. authentication only) */
- src = areq->tsgl;
+ rsgl_src = areq->tsgl;
}
/* Initialize the crypto operation */
- aead_request_set_crypt(&areq->cra_u.aead_req, src,
+ aead_request_set_crypt(&areq->cra_u.aead_req, rsgl_src,
areq->first_rsgl.sgl.sg, used, ctx->iv);
aead_request_set_ad(&areq->cra_u.aead_req, ctx->aead_assoclen);
aead_request_set_tfm(&areq->cra_u.aead_req, tfm);
if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) {
/* AIO operation */
+ sock_hold(sk);
areq->iocb = msg->msg_iocb;
aead_request_set_callback(&areq->cra_u.aead_req,
CRYPTO_TFM_REQ_MAY_BACKLOG,
af_alg_async_cb, areq);
err = ctx->enc ? crypto_aead_encrypt(&areq->cra_u.aead_req) :
crypto_aead_decrypt(&areq->cra_u.aead_req);
+
+ /* AIO operation in progress */
+ if (err == -EINPROGRESS || err == -EBUSY) {
+ /* Remember output size that will be generated. */
+ areq->outlen = outlen;
+
+ return -EIOCBQUEUED;
+ }
+
+ sock_put(sk);
} else {
/* Synchronous operation */
aead_request_set_callback(&areq->cra_u.aead_req,
@@ -285,19 +311,9 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
&ctx->wait);
}
- /* AIO operation in progress */
- if (err == -EINPROGRESS) {
- sock_hold(sk);
-
- /* Remember output size that will be generated. */
- areq->outlen = outlen;
-
- return -EIOCBQUEUED;
- }
free:
- af_alg_free_areq_sgls(areq);
- sock_kfree_s(sk, areq, areq->areqlen);
+ af_alg_free_resources(areq);
return err ? err : outlen;
}
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 9954b078f0b9..30cff827dd8f 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -117,6 +117,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) {
/* AIO operation */
+ sock_hold(sk);
areq->iocb = msg->msg_iocb;
skcipher_request_set_callback(&areq->cra_u.skcipher_req,
CRYPTO_TFM_REQ_MAY_SLEEP,
@@ -124,6 +125,16 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
err = ctx->enc ?
crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) :
crypto_skcipher_decrypt(&areq->cra_u.skcipher_req);
+
+ /* AIO operation in progress */
+ if (err == -EINPROGRESS || err == -EBUSY) {
+ /* Remember output size that will be generated. */
+ areq->outlen = len;
+
+ return -EIOCBQUEUED;
+ }
+
+ sock_put(sk);
} else {
/* Synchronous operation */
skcipher_request_set_callback(&areq->cra_u.skcipher_req,
@@ -136,19 +147,9 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
&ctx->wait);
}
- /* AIO operation in progress */
- if (err == -EINPROGRESS) {
- sock_hold(sk);
-
- /* Remember output size that will be generated. */
- areq->outlen = len;
-
- return -EIOCBQUEUED;
- }
free:
- af_alg_free_areq_sgls(areq);
- sock_kfree_s(sk, areq, areq->areqlen);
+ af_alg_free_resources(areq);
return err ? err : len;
}
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
index c1ca1e86f5c4..a6dcaa659aa8 100644
--- a/crypto/asymmetric_keys/pkcs7_parser.c
+++ b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -148,8 +148,10 @@ struct pkcs7_message *pkcs7_parse_message(const void *data, size_t datalen)
}
ret = pkcs7_check_authattrs(ctx->msg);
- if (ret < 0)
+ if (ret < 0) {
+ msg = ERR_PTR(ret);
goto out;
+ }
msg = ctx->msg;
ctx->msg = NULL;
diff --git a/crypto/asymmetric_keys/pkcs7_trust.c b/crypto/asymmetric_keys/pkcs7_trust.c
index f6a009d88a33..1f4e25f10049 100644
--- a/crypto/asymmetric_keys/pkcs7_trust.c
+++ b/crypto/asymmetric_keys/pkcs7_trust.c
@@ -69,7 +69,7 @@ static int pkcs7_validate_trust_one(struct pkcs7_message *pkcs7,
/* Self-signed certificates form roots of their own, and if we
* don't know them, then we can't accept them.
*/
- if (x509->next == x509) {
+ if (x509->signer == x509) {
kleave(" = -ENOKEY [unknown self-signed]");
return -ENOKEY;
}
diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c
index 2d93d9eccb4d..39e6de0c2761 100644
--- a/crypto/asymmetric_keys/pkcs7_verify.c
+++ b/crypto/asymmetric_keys/pkcs7_verify.c
@@ -59,11 +59,8 @@ static int pkcs7_digest(struct pkcs7_message *pkcs7,
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
/* Digest the message [RFC2315 9.3] */
- ret = crypto_shash_init(desc);
- if (ret < 0)
- goto error;
- ret = crypto_shash_finup(desc, pkcs7->data, pkcs7->data_len,
- sig->digest);
+ ret = crypto_shash_digest(desc, pkcs7->data, pkcs7->data_len,
+ sig->digest);
if (ret < 0)
goto error;
pr_devel("MsgDigest = [%*ph]\n", 8, sig->digest);
@@ -150,7 +147,7 @@ static int pkcs7_find_key(struct pkcs7_message *pkcs7,
pr_devel("Sig %u: Found cert serial match X.509[%u]\n",
sinfo->index, certix);
- if (x509->pub->pkey_algo != sinfo->sig->pkey_algo) {
+ if (strcmp(x509->pub->pkey_algo, sinfo->sig->pkey_algo) != 0) {
pr_warn("Sig %u: X.509 algo and PKCS#7 sig algo don't match\n",
sinfo->index);
continue;
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index bc3035ef27a2..de996586762a 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -73,7 +73,7 @@ int public_key_verify_signature(const struct public_key *pkey,
char alg_name_buf[CRYPTO_MAX_ALG_NAME];
void *output;
unsigned int outlen;
- int ret = -ENOMEM;
+ int ret;
pr_devel("==>%s()\n", __func__);
@@ -99,6 +99,7 @@ int public_key_verify_signature(const struct public_key *pkey,
if (IS_ERR(tfm))
return PTR_ERR(tfm);
+ ret = -ENOMEM;
req = akcipher_request_alloc(tfm, GFP_KERNEL);
if (!req)
goto error_free_tfm;
@@ -127,7 +128,7 @@ int public_key_verify_signature(const struct public_key *pkey,
* signature and returns that to us.
*/
ret = crypto_wait_req(crypto_akcipher_verify(req), &cwait);
- if (ret < 0)
+ if (ret)
goto out_free_output;
/* Do the actual verification step. */
@@ -142,6 +143,8 @@ error_free_req:
error_free_tfm:
crypto_free_akcipher(tfm);
pr_devel("<==%s() = %d\n", __func__, ret);
+ if (WARN_ON_ONCE(ret > 0))
+ ret = -EINVAL;
return ret;
}
EXPORT_SYMBOL_GPL(public_key_verify_signature);
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index dd03fead1ca3..ce2df8c9c583 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -409,6 +409,8 @@ int x509_extract_key_data(void *context, size_t hdrlen,
ctx->cert->pub->pkey_algo = "rsa";
/* Discard the BIT STRING metadata */
+ if (vlen < 1 || *(const u8 *)value != 0)
+ return -EBADMSG;
ctx->key = value + 1;
ctx->key_size = vlen - 1;
return 0;
diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c
index c9013582c026..9338b4558cdc 100644
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -79,11 +79,7 @@ int x509_get_sig_params(struct x509_certificate *cert)
desc->tfm = tfm;
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
- ret = crypto_shash_init(desc);
- if (ret < 0)
- goto error_2;
- might_sleep();
- ret = crypto_shash_finup(desc, cert->tbs, cert->tbs_size, sig->digest);
+ ret = crypto_shash_digest(desc, cert->tbs, cert->tbs_size, sig->digest);
if (ret < 0)
goto error_2;
@@ -135,7 +131,7 @@ int x509_check_for_self_signed(struct x509_certificate *cert)
}
ret = -EKEYREJECTED;
- if (cert->pub->pkey_algo != cert->sig->pkey_algo)
+ if (strcmp(cert->pub->pkey_algo, cert->sig->pkey_algo) != 0)
goto out;
ret = public_key_verify_signature(cert->pub, cert->sig);
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index d5692e35fab1..778e0ff42bfa 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -522,6 +522,9 @@ static int skcipher_walk_aead_common(struct skcipher_walk *walk,
scatterwalk_copychunks(NULL, &walk->in, req->assoclen, 2);
scatterwalk_copychunks(NULL, &walk->out, req->assoclen, 2);
+ scatterwalk_done(&walk->in, 0, walk->total);
+ scatterwalk_done(&walk->out, 0, walk->total);
+
walk->iv = req->iv;
walk->oiv = req->iv;
generated by cgit (git 2.34.1) at 2024-07-02 21:11:25 +0000