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* [PATCH 3.8-stable] netfilter: nfnetlink_acct: return -EINVAL if object name is empty
@ 2013-04-12 15:16 Jonghwan Choi
  2013-04-13 10:08 ` Pablo Neira Ayuso
  0 siblings, 1 reply; 2+ messages in thread
From: Jonghwan Choi @ 2013-04-12 15:16 UTC (permalink / raw)
  To: Pablo Neira Ayuso; +Cc: stable, netfilter, Jonghwan Choi

From: Pablo Neira Ayuso <pablo@netfilter.org>

This patch looks like it should be in the 3.8-stable tree, should we apply
it?

------------------

From: "Pablo Neira Ayuso <pablo@netfilter.org>"

commit deadcfc3324410726cd6a663fb4fc46be595abe7 upstream

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>
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
---
 net/netfilter/nfnetlink_acct.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 589d686..dc3fd5d 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -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)
-- 
1.7.10.4


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2013-04-12 15:16 [PATCH 3.8-stable] netfilter: nfnetlink_acct: return -EINVAL if object name is empty Jonghwan Choi
2013-04-13 10:08 ` Pablo Neira Ayuso

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