From: Christoph Hellwig
Date: Wed, 13 May 2020 21:36:41 +0200
> While do_ipv6_getsockopt does not call the high-level recvmsg helper,
> the msghdr eventually ends up being passed to put_cmsg anyway, and thus
> needs msg_control_is_user set to the proper value.
>
> Fixes: 1f466e1f15cf ("net: clea
While do_ipv6_getsockopt does not call the high-level recvmsg helper,
the msghdr eventually ends up being passed to put_cmsg anyway, and thus
needs msg_control_is_user set to the proper value.
Fixes: 1f466e1f15cf ("net: cleanly handle kernel vs user buffers for
->msg_control")
Reported-by: Eric D
