Date: Mon, 29 Jan 2001 09:44:35 -0800 (PST) From: david@inty.net To: freebsd-gnats-submit@FreeBSD.org Subject: ports/24723: Bug in SKIP - packet length not set correctly Message-ID: <200101291744.f0THiZ097107@freefall.freebsd.org>
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>Number: 24723
>Category: ports
>Synopsis: Bug in SKIP - packet length not set correctly
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-ports
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Jan 29 09:50:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator: David Hedley
>Release: 3.x 4.x
>Organization:
Intelligent Network Technology Ltd
>Environment:
FreeBSD bill.inty.net 4.0-RELEASE FreeBSD 4.0-RELEASE #0: Mon Mar 20 22:50:22 GMT 2000 root@monster.cdrom.com:/usr/src/sys/compile/GENERIC i386
>Description:
The packet length in the mbuf output from skip is still set to the size of the unencrypted packet and not the encrypted packet. Any ethernet driver which relies on this length (e.g. if_rl.c) will output truncated packets
>How-To-Repeat:
Run skip through a Realtek 8139 card, you will see truncated packets being output
>Fix:
Apply the following patch (against 4.0-RELEASE)
*** skip_es.c.orig Mon Jan 29 17:39:49 2001
--- skip_es.c Mon Jan 29 17:40:14 2001
***************
*** 2314,2319 ****
--- 2314,2321 ----
skip_ipsum(hptr);
+ m->m_pkthdr.len = m->m_len;
+
(*skip_if->if_output)(skip_if->ifp, m, dst, rtp);
RTFREE(rtp);
}
>Release-Note:
>Audit-Trail:
>Unformatted:
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