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Commit 20c61fbd authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki
Browse files

ipv6 mcast: Check address family of gf_group in getsockopt(MS_FILTER). 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
parent 513fd370

net/ipv6/ipv6_sockglue.c

+2 −0
Original line number Diff line number Diff line
@@ -874,6 +874,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, 
			return -EINVAL;

		if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0)))

			return -EFAULT;

		if (gsf.gf_group.ss_family != AF_INET6)

			return -EADDRNOTAVAIL;

		lock_sock(sk);

		err = ip6_mc_msfget(sk, &gsf,

			(struct group_filter __user *)optval, optlen);