This is a note to let you know that I've just added the patch titled crypto: mxs-dcp - Fix scatterlist processing to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: crypto-mxs-dcp-fix-scatterlist-processing.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit b88b4d6a17dfc408b6f3fe771ef38ee8d66bc973 Author: Tomas Paukrt <tomaspaukrt@xxxxxxxx> Date: Sat Jan 22 18:07:53 2022 +0100 crypto: mxs-dcp - Fix scatterlist processing [ Upstream commit 28e9b6d8199a3f124682b143800c2dacdc3d70dd ] This patch fixes a bug in scatterlist processing that may cause incorrect AES block encryption/decryption. Fixes: 2e6d793e1bf0 ("crypto: mxs-dcp - Use sg_mapping_iter to copy data") Signed-off-by: Tomas Paukrt <tomaspaukrt@xxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index 5edc91cdb4e6..a9d3e675f7ff 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -330,7 +330,7 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq) memset(key + AES_KEYSIZE_128, 0, AES_KEYSIZE_128); } - for_each_sg(req->src, src, sg_nents(src), i) { + for_each_sg(req->src, src, sg_nents(req->src), i) { src_buf = sg_virt(src); len = sg_dma_len(src); tlen += len;