tree 8dec6d6bff81a9a9c79e074b3b83f4b46ca3e6b2
parent 687c59e702f48e0eca91455d3ef3197b7b8a8314
author Namjae Jeon <linkinjeon@kernel.org> 1630620584 +0900
committer Steve French <stfrench@microsoft.com> 1630729785 -0500

ksmbd: add validation for ndr read/write functions

If ndr->length is smaller than expected size, ksmbd can access invalid
access in ndr->data. This patch add validation to check ndr->offset is
over ndr->length. and added exception handling to check return value of
ndr read/write function.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>