[Bug 474] New: nf_conntrack marks all packets as INVALID on sparc64 (probably endianness bug)

bugzilla-daemon at bugzilla.netfilter.org bugzilla-daemon at bugzilla.netfilter.org
Thu May 11 17:51:44 CEST 2006


https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=474

           Summary: nf_conntrack marks all packets as INVALID on sparc64
                    (probably endianness bug)
           Product: netfilter/iptables
           Version: linux-2.6.x
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: nf_conntrack
        AssignedTo: yasuyuki.kozakai at toshiba.co.jp
        ReportedBy: jan.oravec at 6com.sk


I have new connection tracking engine in kernel 2.6.16 -- nf_conntrack -- and
the following rules in IPv4 iptables INPUT table:

iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -m state --state INVALID -j DROP

All INPUT packet are dropped on the INVALID rule. (e.g. icmp echo request/reply,
...)

The machine is sparc64 running 64-bit kernel. I think that the problem is
related to big endianness, because I haven't observed it on other architectures
(amd64, x86).

The nf_conntrack is loaded into kernel as module.

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