Commit deadcfc3 authored Mar 23, 2013 by Pablo Neira Ayuso

netfilter: nfnetlink_acct: return -EINVAL if object name is empty



If user-space tries to create accounting object with an empty
name, then return -EINVAL.

Reported-by: Michael Zintakis <michael.zintakis@googlemail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

parent 558724a5

net/netfilter/nfnetlink_acct.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@ nfnl_acct_new(struct sock nfnl, struct sk_buff skb,
		return -EINVAL;

		acct_name = nla_data(tb[NFACCT_NAME]);
		if (strlen(acct_name) == 0)
		return -EINVAL;

		list_for_each_entry(nfacct, &nfnl_acct_list, head) {
		if (strncmp(nfacct->name, acct_name, NFACCT_NAME_MAX) != 0)