From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
This patch looks like it should be in the 3.8-stable tree, should we apply
it?
------------------
From: "Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>"
commit deadcfc3324410726cd6a663fb4fc46be595abe7 upstream
If user-space tries to create accounting object with an empty
name, then return -EINVAL.
Reported-by: Michael Zintakis <michael.zintakis@xxxxxxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Jonghwan Choi <jhbird.choi@xxxxxxxxxxx>
---
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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