From: Dave Watson
Date: Fri, 19 Jan 2018 12:30:13 -0800
> The scatterlist is reused by both sendmsg and sendfile.
> If a sendmsg of smaller number of pages is followed by a sendfile
> of larger number of pages, the scatterlist may be too short, resulting
> in a crash in gcm_encrypt.
>
> Add sg_u
The scatterlist is reused by both sendmsg and sendfile.
If a sendmsg of smaller number of pages is followed by a sendfile
of larger number of pages, the scatterlist may be too short, resulting
in a crash in gcm_encrypt.
Add sg_unmark_end to make the list the correct length.
tls_sw_sendmsg already
