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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DDC37C2D0A6 for ; Thu, 15 Oct 2026 17:58:32 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4j5G5g1NbPz2xHG; Fri, 16 Oct 2026 04:58:31 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c04:e001:324:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1792087111; cv=none; b=ILSRFEKhbpeF2xFh9Tya/ABYvFeqUVgC7UEXMbmdA2OT0uqv8XbJg7+YJlc2XiL46691/szU16f1Mfa3Ur6Hdg/9dDHkyWdE6hVhlKIKFDmLunNA8SuKe6uG5vOsFw5+Dn+HMtMa6ELFqFL79vOCFAtOpKSkZN7hqpK4vEGimxe0dHZJq6j9SkE/I391XH3rvj87/kgFYs5jOyA5uGTY4eVHYqPEZgsi9Fv8J5N9Mkj55/CQ8M7RtEkFTTff90ngfmvTv0hDeRn8qwGJetArD5vrF/Yc4hwcWfg9Os8wsauwB6p9pVdiA6rWucqm5c/j9emr7bZ6ivUHvS1yHflDEw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1792087111; c=relaxed/relaxed; bh=sw5Vs35NHiaOZ7dr1okYjwaIOYOwhFc/brSVUiHaWv8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eE6c6/be5hZ5ritrWa7bkD9X3lgtJrwRgG5qMM+56mHTKDloYjJx8ccN/bBzItxMrVDLSB+CbH8elXk1iTdbuxgofawW5QCXfLtXFFoCYud6LdXXSazv0KTxmgFWAsg8cpfXrh9htTBMH5SIq2xwzA1H1z4+brrmnVYOd1+gcIYND7+fz4J5eE631tEv/YQcPH6aE2J1wEOxbgAcWekosATz4W0Yz6odjjRxsGCyUJ1Fhm2VIC9d4P93xOcsU3UYuszndGqbPvGzpMySYZat7sA0WfWCOirdtHz+YhYkKlQaE267k5DUK4ZWJ+t1jbax1IPqGU3k4MI04e2vfFGTzA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=M+BYtSrj; dkim-atps=neutral; spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=kees@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=M+BYtSrj; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=kees@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4j5G5f2PvWz2xH9 for ; Fri, 16 Oct 2026 04:58:30 +1100 (AEDT) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 6356260200; Thu, 15 Oct 2026 17:58:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 178CF1F000C4; Thu, 15 Oct 2026 17:58:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792087107; bh=sw5Vs35NHiaOZ7dr1okYjwaIOYOwhFc/brSVUiHaWv8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=M+BYtSrjlClM7TXreyMdxE+xstViocEmiak/TbwCFFCvktQOhci+9Gywo+ijccSnB 6OTF3Ps/9DioxA0L6HeYBSDO3NntO2HyAR8DbFoZXbeSrNyLlRAQ2HilkaTB++WF7K 6aM329sP3dqdyj/vqZDuQzoImAfaMSBK+/UA6zckbvIhaZNzsOnyb7vllQ/qmjkROU X6atAnnSx4s2bmmuiSrPDQCFJbDf5KbCkfmevi621I/rS2zRJvpl4GTjYWOKmYqkcB hhpZY22kfVWKgNe2YMuveV7/ZQzxrqWU7jG35aaRuasr90tcohMG0KrcTN2DTwKIHz E7h1P+/zBl5qA== Date: Thu, 15 Oct 2026 10:58:26 -0700 From: Kees Cook To: Jakub Kicinski Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , "Gustavo A. R. Silva" , Qingfang Deng , Jiri Pirko , Brad Spengler , PaX Team , Bill Wendling , Justin Stitt , netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-hardening@vger.kernel.org, Yeswanth Krishna Tellakula , stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next net] netdev: Hide the netdev_priv() origin from GCC in netdev_from_priv() Message-ID: <202610151056.DB82177C@keescook> References: <20261015165959.i.798-kees@kernel.org> <202610151006.E2F587A60@keescook> <20261015103410.15ae1b8e@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261015103410.15ae1b8e@kernel.org> On Thu, Oct 15, 2026 at 10:34:10AM -0700, Jakub Kicinski wrote: > On Thu, 15 Oct 2026 10:07:06 -0700 Kees Cook wrote: > > geh, for the subject "net" and "net-next" glitch: I've poked my > > subject-building tooling again, this should be for "net", not > > "net-next"... > > :) Ack. Just missed today's PR but looks like this is 2 releases > old so not _extremely_ urgent. If you think it is we can also ask > Linus to take it direct This is only hitting one place (currently), but as it went unnoticed for a while (GCC has been bugged for a few releases, it seems), I think the urgency isn't high. -- Kees Cook