Commit b18bcb00 authored by Liping Zhang's avatar Liping Zhang Committed by Pablo Neira Ayuso

netfilter: nfnetlink_queue: fix memory leak when attach expectation successfully

User can use NFQA_EXP to attach expectations to conntracks, but we
forget to put back nf_conntrack_expect when it is inserted successfully,
i.e. in this normal case, expect's use refcnt will be 3. So even we
unlink it and put it back later, the use refcnt is still 1, then the
memory will be leaked forever.
Signed-off-by: default avatarLiping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent b173a28f
......@@ -2362,12 +2362,8 @@ ctnetlink_glue_attach_expect(const struct nlattr *attr, struct nf_conn *ct,
return PTR_ERR(exp);
err = nf_ct_expect_related_report(exp, portid, report);
if (err < 0) {
nf_ct_expect_put(exp);
return err;
}
return 0;
}
static void ctnetlink_glue_seqadj(struct sk_buff *skb, struct nf_conn *ct,
......
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