From: Tomas Paukrt <tomaspaukrt@email.cz> stable inclusion from stable-v5.10.110 commit 8e57117142bbe4adcf2088996c6900b128823eb5 bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ 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@email.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Yu Liao <liaoyu15@huawei.com> Reviewed-by: Wei Li <liwei391@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/crypto/mxs-dcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index d19e5ffb5104..d6f9e2fe863d 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -331,7 +331,7 @@ 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; -- 2.20.1