kgid_t low, high;
int ret = 0;
+ if (sk->sk_family == AF_INET6)
+ sk->sk_ipv6only = 1;
+
inet_get_ping_group_range_net(net, &low, &high);
if (gid_lte(low, group) && gid_lte(group, high))
return 0;
if (addr_len < sizeof(*addr))
return -EINVAL;
+ if (addr->sin_family != AF_INET &&
+ !(addr->sin_family == AF_UNSPEC &&
+ addr->sin_addr.s_addr == htonl(INADDR_ANY)))
+ return -EAFNOSUPPORT;
+
pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n",
sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port));
return -EINVAL;
if (addr->sin6_family != AF_INET6)
- return -EINVAL;
+ return -EAFNOSUPPORT;
pr_debug("ping_check_bind_addr(sk=%p,addr=%pI6c,port=%d)\n",
sk, addr->sin6_addr.s6_addr, ntohs(addr->sin6_port));
struct pingfakehdr *pfh = (struct pingfakehdr *)from;
if (offset == 0) {
- if (fraglen < sizeof(struct icmphdr))
+ fraglen -= sizeof(struct icmphdr);
+ if (fraglen < 0)
BUG();
- if (csum_partial_copy_fromiovecend(to + sizeof(struct icmphdr),
- pfh->iov, 0, fraglen - sizeof(struct icmphdr),
- &pfh->wcheck))
+ if (csum_and_copy_from_iter(to + sizeof(struct icmphdr),
+ fraglen, &pfh->wcheck,
+ &pfh->msg->msg_iter) != fraglen)
return -EFAULT;
} else if (offset < sizeof(struct icmphdr)) {
BUG();
} else {
- if (csum_partial_copy_fromiovecend
- (to, pfh->iov, offset - sizeof(struct icmphdr),
- fraglen, &pfh->wcheck))
+ if (csum_and_copy_from_iter(to, fraglen, &pfh->wcheck,
+ &pfh->msg->msg_iter) != fraglen)
return -EFAULT;
}
if (msg->msg_namelen < sizeof(*usin))
return -EINVAL;
if (usin->sin_family != AF_INET)
- return -EINVAL;
+ return -EAFNOSUPPORT;
daddr = usin->sin_addr.s_addr;
/* no remote port */
} else {
pfh.icmph.checksum = 0;
pfh.icmph.un.echo.id = inet->inet_sport;
pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence;
- /* XXX: stripping const */
- pfh.iov = (struct iovec *)msg->msg_iter.iov;
+ pfh.msg = msg;
pfh.wcheck = 0;
pfh.family = AF_INET;