From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31C91C10F0E for ; Fri, 12 Apr 2019 17:26:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A91E2077C for ; Fri, 12 Apr 2019 17:26:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727082AbfDLR0R (ORCPT ); Fri, 12 Apr 2019 13:26:17 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:47148 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726765AbfDLR0Q (ORCPT ); Fri, 12 Apr 2019 13:26:16 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 2628D133EB06B; Fri, 12 Apr 2019 10:26:16 -0700 (PDT) Date: Fri, 12 Apr 2019 10:26:15 -0700 (PDT) Message-Id: <20190412.102615.318305780093509959.davem@davemloft.net> To: penguin-kernel@I-love.SAKURA.ne.jp Cc: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org Subject: Re: [PATCH 8/9] bpf: Check address length before reading address family From: David Miller In-Reply-To: <1555066547-9656-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> References: <1555066547-9656-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 12 Apr 2019 10:26:16 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tetsuo Handa Date: Fri, 12 Apr 2019 19:55:47 +0900 > KMSAN will complain if valid address length passed to bpf_bind() is > shorter than sizeof("struct sockaddr"->sa_family) bytes. > > Signed-off-by: Tetsuo Handa Applied.