On Tue, 2018-06-12 at 18:52 +0200, Greg Kroah-Hartman wrote:
> 4.4-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Eric Dumazet <edumazet@xxxxxxxxxx>
>
> [ Upstream commit 5b5e7a0de2bbf2a1afcd9f49e940010e9fb80d53 ]
[...]
> --- a/net/ipv4/fib_semantics.c
> +++ b/net/ipv4/fib_semantics.c
> @@ -979,6 +979,8 @@ fib_convert_metrics(struct fib_info *fi,
> if (val == TCP_CA_UNSPEC)
> return -EINVAL;
> } else {
> + if (nla_len(nla) != sizeof(u32))
> + return false;
For 4.4 and 4.9, the return value on error needs to be -EINVAL.
Ben.
> val = nla_get_u32(nla);
> }
> if (type == RTAX_ADVMSS && val > 65535 - 40)
--
Ben Hutchings, Software Developer Codethink Ltd
https://www.codethink.co.uk/ Dale House, 35 Dale Street
Manchester, M1 2HF, United Kingdom
