diff options
| author | Dave Airlie <airlied@redhat.com> | 2019-02-18 13:27:15 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-02-18 13:27:15 +1000 |
| commit | c06de56121e3ac0f0f1f4a081c041654ffcacd62 (patch) | |
| tree | 3662e7052352b0f1b78e8832b1d3b91ca211b798 /net/ipv6/af_inet6.c | |
| parent | 8d451a4b6e9f4b52ae3d4cafe17486d8d0c6afb0 (diff) | |
| parent | a3b22b9f11d9fbc48b0291ea92259a5a810e9438 (diff) | |
Merge v5.0-rc7 into drm-next
Backmerging for nouveau and imx that needed some fixes for next pulls.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'net/ipv6/af_inet6.c')
| -rw-r--r-- | net/ipv6/af_inet6.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 0bfb6cc0a30a..d99753b5e39b 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -310,6 +310,7 @@ static int __inet6_bind(struct sock *sk, 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 @@ -320,9 +321,20 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, goto out; } + rcu_read_lock(); + if (sk->sk_bound_dev_if) { + dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); + if (!dev) { + err = -ENODEV; + goto out_unlock; + } + } + /* 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); + rcu_read_unlock(); + if (!inet_can_nonlocal_bind(net, inet) && v4addr != htonl(INADDR_ANY) && chk_addr_ret != RTN_LOCAL && |