Willem de Bruijn 719c44d340 packet: compat support for sock_fprog ... 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 1957598840 ("soreuseport: add compat case for setsockopt SO_ATTACH_REUSEPORT_CBPF"). Reported-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-06-09 23:41:03 -07:00
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af_packet.c	packet: compat support for sock_fprog	2016-06-09 23:41:03 -07:00
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