Message ID | 1459159739-51541-1-git-send-email-yanhaishuang@cmss.chinamobile.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Date: Mon, 28 Mar 2016 18:08:59 +0800 > For the input parameter count, it's better to use the size > of destination buffer size, as nla_memcpy would take into > account the length of the source netlink attribute when > a data is copied from an attribute. > > Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Applied, thanks.
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index dc5eb29..f8a8d43 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -968,7 +968,8 @@ static int parse_nat(const struct nlattr *attr, break; case OVS_NAT_ATTR_IP_MIN: - nla_memcpy(&info->range.min_addr, a, nla_len(a)); + nla_memcpy(&info->range.min_addr, a, + sizeof(info->range.min_addr)); info->range.flags |= NF_NAT_RANGE_MAP_IPS; break;
For the input parameter count, it's better to use the size of destination buffer size, as nla_memcpy would take into account the length of the source netlink attribute when a data is copied from an attribute. Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> --- net/openvswitch/conntrack.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)