Em Thu, Nov 03, 2016 at 08:59:46AM -0700, Eric Dumazet escreveu:
> From: Eric Dumazet <edumazet@xxxxxxxxxx>
>
> While fuzzing kernel with syzkaller, Andrey reported a nasty crash
> in inet6_bind() caused by DCCP lacking a required method.
Ouch, thanks, forgot the mapped case :-)
Acked-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
- Arnaldo
> Fixes: ab1e0a13d7029 ("[SOCK] proto: Add hashinfo member to struct proto")
> Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Reported-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> Tested-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> ---
> net/dccp/ipv6.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
> index 3828f94b234c..95353bdbfa7b 100644
> --- a/net/dccp/ipv6.c
> +++ b/net/dccp/ipv6.c
> @@ -956,6 +956,7 @@ static const struct inet_connection_sock_af_ops
> dccp_ipv6_mapped = {
> .getsockopt = ipv6_getsockopt,
> .addr2sockaddr = inet6_csk_addr2sockaddr,
> .sockaddr_len = sizeof(struct sockaddr_in6),
> + .bind_conflict = inet6_csk_bind_conflict,
> #ifdef CONFIG_COMPAT
> .compat_setsockopt = compat_ipv6_setsockopt,
> .compat_getsockopt = compat_ipv6_getsockopt,
>
>
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