From patchwork Thu Jun 27 05:04:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiunn Chang X-Patchwork-Id: 11018765 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F135D1398 for ; Thu, 27 Jun 2019 05:04:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D4514287CF for ; Thu, 27 Jun 2019 05:04:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C41F228A18; Thu, 27 Jun 2019 05:04:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 76846287CF for ; Thu, 27 Jun 2019 05:04:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727304AbfF0FEa (ORCPT ); Thu, 27 Jun 2019 01:04:30 -0400 Received: from mail-ot1-f68.google.com ([209.85.210.68]:46771 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727279AbfF0FE3 (ORCPT ); Thu, 27 Jun 2019 01:04:29 -0400 Received: by mail-ot1-f68.google.com with SMTP id z23so916070ote.13; Wed, 26 Jun 2019 22:04:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nsP4OPoyyuGVsj56a75vPqGS9PQmlg/dei1pXS0wrVA=; b=H4s1vftufXCodbOeURMTzz5H0zLx9FKRH5i4Lj1xJRnjKWBNUaMIvJRVpY3+WZm1wB d0oP9wM38G6/W7VbvJSsHCT4k5e60hSEnqZDbbshh05nthhn0nnFTZH2RYy2W6aglkee 28VbZDzty8L2VLUBapKwa5oSY70Lh3LFwiadchO8ygReuPSJSO/lXLxFrFgvzoCjbK3C 3l/he5/QsKgc4CLrWaXilKEQNbTUOoqqMvF9mlgGdoFzt3j+PPRjPolllNXXPvOp7k+i NjLVsZ2eu1wPm764ESk1JEcgR0YTBzw64uAepMmxF+s6WIfkWCiNNR5Y6XlDP0QJI4Ns XtAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nsP4OPoyyuGVsj56a75vPqGS9PQmlg/dei1pXS0wrVA=; b=N7MNr0jiqTZYNF5frdxJY48ia1gMjoXXO47sMCwxZE4It6eSOiA4wotYOLda0BkLdq rwWVI3ma+w5xNeMrG9gi4pQIl+a2W4tB9DsNGJVJoVdQXKWT9eXSGTJqPO7JD3Cspdn0 1nRKjFJ7uOf48YclA7LZWOJr+SrHrFQelTVVLSybj29/lhd6QenJXv60MWAccQp1sfXx /cjJlrnWGWdrPMK5JeeaWEVM5eAtYBsGBfKAfx0pNnzkDDWw+3v1thZgeXrRe27Z78CD +lkXbca7EbKX38zVPjFwNc2U+WxlfYEG6mB6YnbJiwFvheP/D0PEf3PsrBc3IzQb9slw brqA== X-Gm-Message-State: APjAAAX+t2rkqrNU6lThM0UPY39izbWMFAemxi4RSodJ/rMsZDtULbTG OqW1p2RmZ5DVtkmobqWWwCQ= X-Google-Smtp-Source: APXvYqwxKC3A5AYTVKV6MY6xj+cu9+9YYA6FAWmYeB4ViGjNN5w8dp6BdGXjNfxZc2fl9W7cLd/a7A== X-Received: by 2002:a9d:588a:: with SMTP id x10mr1832241otg.144.1561611869236; Wed, 26 Jun 2019 22:04:29 -0700 (PDT) Received: from rYz3n.attlocal.net ([2600:1700:210:3790::48]) by smtp.googlemail.com with ESMTPSA id v18sm613318otn.17.2019.06.26.22.04.28 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 26 Jun 2019 22:04:28 -0700 (PDT) From: Jiunn Chang To: skhan@linuxfoundation.org Cc: linux-kernel-mentees@lists.linuxfoundation.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, johannes@sipsolutions.net Subject: [Linux-kernel-mentees][PATCH v3] nl80211: Fix undefined behavior in bit shift Date: Thu, 27 Jun 2019 00:04:26 -0500 Message-Id: <20190627050426.17925-3-c0d1n61at3@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190627032532.18374-4-c0d1n61at3@gmail.com> References: <20190627032532.18374-4-c0d1n61at3@gmail.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Shifting signed 32-bit value by 31 bits is undefined. Changing most significant bit to unsigned. Signed-off-by: Jiunn Chang --- Changes included in v3: - remove change log from patch description Changes included in v2: - use subsystem specific subject lines - CC required mailing lists include/uapi/linux/nl80211.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 6f09d1500960..fa7ebbc6ff27 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -5314,7 +5314,7 @@ enum nl80211_feature_flags { NL80211_FEATURE_TDLS_CHANNEL_SWITCH = 1 << 28, NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR = 1 << 29, NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR = 1 << 30, - NL80211_FEATURE_ND_RANDOM_MAC_ADDR = 1 << 31, + NL80211_FEATURE_ND_RANDOM_MAC_ADDR = 1U << 31, }; /**