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;
