Jan Engelhardt wrote:
I am not quite sure whether it is possible to even set up an
expectation when ctstate(ct) == IP_CT_NEW, is it?
It is - TFTP, SIP and netbios_ns are doing this.
Fact is, this piece
of code segfaults on me right away in nf_ct_expect_related(),
possibly because exp->master or so is NULL, causing bad things when
issuing nfct_help(exp->master) in nf_ct_expect_related.
Any hints?
→ nf_ct_expect_init(exp, NF_CT_EXPECT_CLASS_DEFAULT, PF_INET6,
→ → (const union nf_inet_addr *)&iph->daddr,
→ → (const union nf_inet_addr *)&iph->saddr,
→ → IPPROTO_MH, NULL, &man);
→ printk(KERN_INFO "expectation set up\n");
→ nf_ct_dump_tuple(&exp->tuple);
→ if (nf_ct_expect_related(exp) != 0)
→ → printk(KERN_INFO "hm\n");
→ nf_ct_expect_put(exp); /* yes no ? /
^ yes
The part above is correct, the bug must be elsewhere.
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