From: Dave Watson
Date: Thu, 12 Jul 2018 08:03:43 -0700
> In the zerocopy sendmsg() path, there are error checks to revert
> the zerocopy if we get any error code. syzkaller has discovered
> that tls_push_record can return -ECONNRESET, which is fatal, and
> happens after the point at which it is
In the zerocopy sendmsg() path, there are error checks to revert
the zerocopy if we get any error code. syzkaller has discovered
that tls_push_record can return -ECONNRESET, which is fatal, and
happens after the point at which it is safe to revert the iter,
as we've already passed the memory to do
