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Revert "decnet: dn_rtmsg: Improve input length sanitization in dnrmg_receive_user_skb"

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This reverts commit 85eac2ba35.

There is an updated version of this fix which we should
use instead.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-06-08 10:50:18 -04:00
parent 9065bc386f
commit c164772dd3
1 changed files with 1 additions and 3 deletions
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4
net/decnet/netfilter/dn_rtmsg.c
View file

@ -102,9 +102,7 @@ static inline void dnrmg_receive_user_skb(struct sk_buff *skb)
{
struct nlmsghdr *nlh = nlmsg_hdr(skb);
if (skb->len < sizeof(nlh->nlmsg_len) ||
nlh->nlmsg_len < sizeof(*nlh) ||
skb->len < nlh->nlmsg_len)
if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len)
return;
if (!netlink_capable(skb, CAP_NET_ADMIN))