netdev - Fw: [Bug 47021] New: kernel panic with l2tpv3 & mtu

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Date:	Tue, 4 Sep 2012 09:07:56 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	netdev@...r.kernel.org
Subject: Fw: [Bug 47021] New: kernel panic with l2tpv3 & mtu > 1500



Begin forwarded message:

Date: Tue,  4 Sep 2012 16:06:06 +0000 (UTC)
From: bugzilla-daemon@...zilla.kernel.org
To: shemminger@...ux-foundation.org
Subject: [Bug 47021] New: kernel panic with l2tpv3 & mtu > 1500


https://bugzilla.kernel.org/show_bug.cgi?id=47021

           Summary: kernel panic with l2tpv3 & mtu > 1500
           Product: Networking
           Version: 2.5
    Kernel Version: 3.2.28
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: shemminger@...ux-foundation.org
        ReportedBy: a1bert@...as.cz
        Regression: No


first l2tpv3 packet that enters physical device with MTU > 1500 causes kernel
panic

tunel created using:

l2tpv3tun add tunnel tunnel_id 1 peer_tunnel_id 1 encap udp udp_sport 5001
udp_dport 5001 local 192.168.1.1 remote 192.168.1.2

l2tpv3tun add session tunnel_id 1 session_id 1 peer_session_id 1 dev l2tpeth1


reproducible: always

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