diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/af_inet6.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 9ccbf74deb99..5a97f53da8c4 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -317,6 +317,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) /* Check if the address belongs to the host. */ if (addr_type == IPV6_ADDR_MAPPED) { + struct net_device *dev = NULL; int chk_addr_ret; /* Binding to v4-mapped address on a v6-only socket @@ -327,9 +328,17 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; } + if (sk->sk_bound_dev_if) { + dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); + if (!dev) { + err = -ENODEV; + goto out; + } + } + /* Reproduce AF_INET checks to make the bindings consistent */ v4addr = addr->sin6_addr.s6_addr32[3]; - chk_addr_ret = inet_addr_type(net, v4addr); + chk_addr_ret = inet_addr_type_dev_table(net, dev, v4addr); if (!net->ipv4.sysctl_ip_nonlocal_bind && !(inet->freebind || inet->transparent) && v4addr != htonl(INADDR_ANY) && |