From: Willem de Bruijn <[email protected]> Date: Tue, 7 Jun 2016 12:06:34 -0400
> From: Willem de Bruijn <[email protected]> > > Socket option PACKET_FANOUT_DATA takes a struct sock_fprog as argument > if PACKET_FANOUT has mode PACKET_FANOUT_CBPF. This structure contains > a pointer into user memory. If userland is 32-bit and kernel is 64-bit > the two disagree about the layout of struct sock_fprog. > > Add compat setsockopt support to convert a 32-bit compat_sock_fprog to > a 64-bit sock_fprog. This is analogous to compat_sock_fprog support for > SO_REUSEPORT added in commit 1957598840f4 ("soreuseport: add compat > case for setsockopt SO_ATTACH_REUSEPORT_CBPF"). > > Reported-by: Daniel Borkmann <[email protected]> > Signed-off-by: Willem de Bruijn <[email protected]> Applied.
