From owner-freebsd-net@FreeBSD.ORG Mon Jul 11 14:00:25 2011 Return-Path: Delivered-To: freebsd-net@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 08F97106566C for ; Mon, 11 Jul 2011 14:00:25 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id BAE5F8FC29 for ; Mon, 11 Jul 2011 14:00:24 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p6BE0Oov040564 for ; Mon, 11 Jul 2011 14:00:24 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p6BE0ODA040563; Mon, 11 Jul 2011 14:00:24 GMT (envelope-from gnats) Date: Mon, 11 Jul 2011 14:00:24 GMT Message-Id: <201107111400.p6BE0ODA040563@freefall.freebsd.org> To: freebsd-net@FreeBSD.org From: Sergey Kandaurov Cc: Subject: Re: kern/152036: [libc] getifaddrs(3) returns truncated sockaddrs for netmasks X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Sergey Kandaurov List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jul 2011 14:00:25 -0000 The following reply was made to PR kern/152036; it has been noted by GNATS. From: Sergey Kandaurov To: bug-followup@FreeBSD.org, kbyanc@gmail.com Cc: Subject: Re: kern/152036: [libc] getifaddrs(3) returns truncated sockaddrs for netmasks Date: Mon, 11 Jul 2011 17:59:47 +0400 [Some thoughts and testing...] This is rather a kernel bug, i.e. this is not a getifaddrs() bug. This is confirmed by (undocumented) ioctl SIOCGIFNETMASK. I found that the bug is manifested for ip4, and not for lladdr, ipv6.