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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 701EFC432C0 for ; Wed, 27 Nov 2019 21:41:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3780D20869 for ; Wed, 27 Nov 2019 21:41:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574890919; bh=05CNfXklO5AkLQeHnG44yjPSeuDjG6GdgTpsbdsJ3LU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=doPefkUadwzff2w6Te+c18tOrg5MUMnCmxeIDa1CWAgDReCvg8OobsNfgGYACWH51 E+j9gar8iU7cmR/EBjQqHCRgMVgAUmTWmDd44MZwr3yCax7vf86R2fBudAT088OQsG Um8NtqH1WcO1UMYs7XoJo4DXkftjNJUkLnI9SZ1U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728568AbfK0Uku (ORCPT ); Wed, 27 Nov 2019 15:40:50 -0500 Received: from mail.kernel.org ([198.145.29.99]:45508 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729075AbfK0Ukq (ORCPT ); Wed, 27 Nov 2019 15:40:46 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5AABF215A5; Wed, 27 Nov 2019 20:40:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574887245; bh=05CNfXklO5AkLQeHnG44yjPSeuDjG6GdgTpsbdsJ3LU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HESOFqJOUI9F3m86RACdvQk5VoaMTEwRNvRSzythhbRh81TdPvtTe9vHDIkrbJ3pR p6lkWO5GH7J5gtHbQ+c8f14WypH/RsXLF4slj6e+BJs8iJrY6h0zw8q22kGbtZ0YRE 11qVN/1qKQSNQVcE3yhcPFo7Ki/EwgKtvZ9hGDS8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kyeongdon Kim , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 037/151] net: fix warning in af_unix Date: Wed, 27 Nov 2019 21:30:20 +0100 Message-Id: <20191127203023.103006467@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191127203000.773542911@linuxfoundation.org> References: <20191127203000.773542911@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kyeongdon Kim [ Upstream commit 33c4368ee2589c165aebd8d388cbd91e9adb9688 ] This fixes the "'hash' may be used uninitialized in this function" net/unix/af_unix.c:1041:20: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] addr->hash = hash ^ sk->sk_type; Signed-off-by: Kyeongdon Kim Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/unix/af_unix.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index cecf51a5aec4f..32ae82a5596d9 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -224,6 +224,8 @@ static inline void unix_release_addr(struct unix_address *addr) static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned int *hashp) { + *hashp = 0; + if (len <= sizeof(short) || len > sizeof(*sunaddr)) return -EINVAL; if (!sunaddr || sunaddr->sun_family != AF_UNIX) -- 2.20.1