diff options
| author | Dan Aloni <dan@kernelim.com> | 2018-09-17 20:24:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-20 18:00:47 +0100 |
| commit | 6081558fa8eaff568e44afedbf867937035283c9 (patch) | |
| tree | df5002b61a9f30f6e485f52fcf45ff4286f05b7e | |
| parent | 9f5f7e9fe2a155463cb9ab20f58c6f2ead2ed394 (diff) | |
crypto: fix a memory leak in rsa-kcs1pad's encryption mode
[ Upstream commit 3944f139d5592790b70bc64f197162e643a8512b ]
The encryption mode of pkcs1pad never uses out_sg and out_buf, so
there's no need to allocate the buffer, which presently is not even
being freed.
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: linux-crypto@vger.kernel.org
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Dan Aloni <dan@kernelim.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | crypto/rsa-pkcs1pad.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index 407c64bdcdd9..3279b457c4ed 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -261,15 +261,6 @@ static int pkcs1pad_encrypt(struct akcipher_request *req) pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf, ctx->key_size - 1 - req->src_len, req->src); - req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL); - if (!req_ctx->out_buf) { - kfree(req_ctx->in_buf); - return -ENOMEM; - } - - pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf, - ctx->key_size, NULL); - akcipher_request_set_tfm(&req_ctx->child_req, ctx->child); akcipher_request_set_callback(&req_ctx->child_req, req->base.flags, pkcs1pad_encrypt_sign_complete_cb, req); |