Date: Wed, 3 Sep 2003 01:28:05 +0100 (BST) From: Bruce M Simpson <bms@spc.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/56343: IP_ONESBCAST breaks udp checksums Message-ID: <20030903002805.C2E1F37@saboteur.dek.spc.org> Resent-Message-ID: <200309030030.h830UGCI069369@freefall.freebsd.org>
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>Number: 56343 >Category: kern >Synopsis: IP_ONESBCAST breaks udp checksums >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 02 17:30:16 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Bruce M Simpson >Release: FreeBSD 5.1-RELEASE i386 >Organization: >Environment: System: FreeBSD saboteur.dek.spc.org 5.1-RELEASE FreeBSD 5.1-RELEASE #4: Wed Aug 20 07:43:54 BST 2003 root@saboteur.dek.spc.org:/usr/src/sys/i386/compile/SABOTEUR i386 >Description: My IP_ONESBCAST code does not handle non-deferred checksums correctly. Checksum offloading obscured the problem. >How-To-Repeat: Generate traffic using IP_ONESBCAST and observe broken checksums using tcpdump. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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