Hi,
On Thu, May 5, 2011 at 2:49 PM, Arnaud Lacombe <lacom...@gmail.com> wrote:
> There is a stale reference to the mbuf passed to, and freed in
> m_megapullup(); could you test the following patch ?
>
> diff --git a/sys/netinet/ipfw/ip_fw_nat.c b/sys/netinet/ipfw/ip_fw_nat.c
> index f8c3e63..80c13dc 100644
> --- a/sys/netinet/ipfw/ip_fw_nat.c
> +++ b/sys/netinet/ipfw/ip_fw_nat.c
> @@ -263,7 +263,7 @@ ipfw_nat(struct ip_fw_args *args, struct cfg_nat
> *t, struct mbuf *m)
> retval = LibAliasOut(t->lib, c,
> mcl->m_len + M_TRAILINGSPACE(mcl));
> if (retval == PKT_ALIAS_RESPOND) {
> - m->m_flags |= M_SKIP_FIREWALL;
> + mcl->m_flags |= M_SKIP_FIREWALL;
> retval = PKT_ALIAS_OK;
> }
> if (retval != PKT_ALIAS_OK &&
>
> This was introduced in r188294 by piso@ (added to the CC: list).
>
this can only happen if you are NAT'ing SCTP traffic. So it might not
be the culprit in your case..
- Arnaud
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