From owner-freebsd-wireless@freebsd.org Mon May 16 22:03:04 2016 Return-Path: Delivered-To: freebsd-wireless@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2EAC0B38B20 for ; Mon, 16 May 2016 22:03:04 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-ig0-x235.google.com (mail-ig0-x235.google.com [IPv6:2607:f8b0:4001:c05::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EFA1C1DB5; Mon, 16 May 2016 22:03:03 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-ig0-x235.google.com with SMTP id s8so301669ign.0; Mon, 16 May 2016 15:03:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=N4M+MgbehFV4WHFTfzyU2cClX4hsvDNnoS83ZPzlR4g=; b=ngtyTXmU7C6qz03ARKrNcaCcVKKIDaV0Nm1F/hh5j9hPYwzYRkwx+E7uxDJ8+zKKVQ OaoDs4fjhNdudHYExt5y6u4Z0i672sFwCgNFFx1LdB2rMZrJcy3SaPRDbtdcm84L7mG3 Smz7wAtIx42DrwNFWZlRkUrymYkiWpStHi1UMEPjNF5636O/YTwVFlLaEByAHMAR8va6 Xs0qC3WiazaK1B9prDZINHRt6P5tQLLZrXB7NQisQuISh6pxnZlJ7vZYrHQdwgbSbfm3 XCFRSWrCqDRy+H2OSluuQVQ7nrQOP9dsO1lF91iylUwVbLEuAA4DBo9T1n9RL0RqT+4X +rhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=N4M+MgbehFV4WHFTfzyU2cClX4hsvDNnoS83ZPzlR4g=; b=Wu9S8HzcyTmf4egETHI3jO/c41YxZt52/HSTDzjlCtMF2DTHtuc4fFxe+NS0ObDzbi 3OG4t0V+KkspuEsxAlmUhC+iT/zr7nEKfGN5RsmuNHgSDDbKz0Gwjbr9aqOmURuykXqv 2xQULaSaoq8cqq7i9AAzMGUnTqqTv13Pihn60hgj9nkljI80Pe8++V1XHzpN9C6Xr7e3 cQ2cHCfPAhHHCHTQoRdShzZrQ9ELxMUQHmv5onwnHSqLC0ARoaTuawVJ9xJcZ/yJD7ZJ 1BXXQCopY1HKDg7Zhh1XQiyH1sveqclbcLjsmNmWHBmu99CMiiwiR8J7JCQXPYiQfISC KM2g== X-Gm-Message-State: AOPr4FXNNeNv2FL0EUX9v6hv2oow9soZFjbmoBKCAR8S63E91qQ4zI2uOJTzUJPfxKPFUEG3CAn3IW/Xp1p7Vg== MIME-Version: 1.0 X-Received: by 10.50.3.73 with SMTP id a9mr10331595iga.22.1463436183292; Mon, 16 May 2016 15:03:03 -0700 (PDT) Received: by 10.36.113.3 with HTTP; Mon, 16 May 2016 15:03:03 -0700 (PDT) In-Reply-To: References: <201605162142.u4GLgs8d072880@gw.catspoiler.org> Date: Mon, 16 May 2016 15:03:03 -0700 Message-ID: Subject: Re: minor array overflow in ifconfig set80211chanlist() From: Adrian Chadd To: Andriy Voskoboinyk Cc: Don Lewis , "freebsd-wireless@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 May 2016 22:03:04 -0000 Heh, god, it's used for both maximum ieee channel number /and/ the array size? we should eventually fix that; 11ac channels will likely overflow all of the above. :( -a