ila: Fix tailroom allocation of lwtstate
authorThomas Graf <tgraf@suug.ch>
Wed, 19 Oct 2016 21:16:39 +0000 (23:16 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 20 Oct 2016 15:17:55 +0000 (11:17 -0400)
commitc5098ebbd6605e7ba1fd1dbfe4c1297ac2ab7362
treec31dc181cfc25f036f419ea51a9a806607102e29
parent7b1536ef0aa0392da7c90cede82e5eacc0f25da3
ila: Fix tailroom allocation of lwtstate

Tailroom is supposed to be of length sizeof(struct ila_lwt) but
sizeof(struct ila_params) is currently allocated.

This leads to the dst_cache and connected member of ila_lwt being
referenced out of bounds.

struct ila_lwt {
struct ila_params p;
struct dst_cache dst_cache;
u32 connected : 1;
};

Fixes: 65d7ab8de582 ("net: Identifier Locator Addressing module")
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/ila/ila_lwt.c