On Wed, 6 Dec 2023 15:59:40 +0100
Stefano Brivio <sbrivio@redhat.com> wrote:

> [...]
>
> but on a kernel with your patch, I get ENOTCONN on recvmsg(). If I
> replace that by a simple recv():
> 
>   sendto(5, "ab", 2, 0, NULL, 0)          = 2
>   recvfrom(6, "ab", 10, 0, NULL, NULL)    = 2
> 
> ...so I don't think it's a fundamental issue with this approach, rather
> something with your patch, but I'm not yet sure what. :)

Oops, my bad, I got the order of fields in struct msghdr wrong. New
version attached, this one works.

-- 
Stefano