Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp3623619ybl; Mon, 27 Jan 2020 07:23:44 -0800 (PST) X-Google-Smtp-Source: APXvYqzXaiWf9sHCdnua19vNn+5qsy71baw5AY+h4rZaZxL6sxNo2Bm4LbA+sD+Kuio1zUpNxSKH X-Received: by 2002:a54:4707:: with SMTP id k7mr5843195oik.153.1580138624444; Mon, 27 Jan 2020 07:23:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1580138624; cv=none; d=google.com; s=arc-20160816; b=Rt+SGkjx8EuV5AyokJPROY4OylXzX8dVg/OBR87HD4Ltapnbbzfhcr8Prz6GOLAIAv 8xAx8t66VpKyWCjN07CBC7QOBcljbrmRjshCoRa/fvhYEfD8CFjjrotYgeOTPZv53zVh vIdiTVjMJvViqPQr7ZxSGGkghGbQ5enM3wGjvv9hYqAQvRmymoFuaLGsTDKb7fPNRH8A 7dxFaBGcJxbFmLhFBahjzH25jBVnixvO5CXlYhczRRbZwsBAOQtTO/9G7A9aihL82AT7 4E/SL/zqWD91HrF1dCL/ZCixPJCJPMY+yk4OnjnTzf1DFQ+YBkoX9q9l2Sdd9JL4DHGj yPdA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=QjMETMAiTJJTMebxmvIOpTK7NVSsq+l6+TUBDAz7YBI=; b=IUlDRA2/y2n9GorkKn8NnJSpIl8yBw6DrIbcL4C1cBK4CUx5V0pcApzYWsnnNOxLMx p+UlA6iM2j4g3WW5iWPrpDpG7VobnhX5xgDb7FnDaZH2iK8gc6l1EHi5QdWGQMkCHh/5 NA/kPBF0mlzSLKrtMYygFr1d4kMaSN5jzAqwnYYFUSVrENy2xwxnS8N4bVk3rO4CNow/ AvTKe9Iv5TCtEFO08x0ZlafL2baX2fFirmOCQKUFVWeKEGWzU8fM/rZylcwtYhk3ffxH e1ycAs8Ycn5th6Dpz+g4XIPOTZBFOMEKi62Q5bS49RX3g2YIuOnuu3+bVBJe7HszfGJr V0VQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l8si3522712oii.249.2020.01.27.07.23.28; Mon, 27 Jan 2020 07:23:44 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-crypto-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729335AbgA0PXG (ORCPT + 99 others); Mon, 27 Jan 2020 10:23:06 -0500 Received: from mail-oi1-f195.google.com ([209.85.167.195]:33210 "EHLO mail-oi1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729321AbgA0PXG (ORCPT ); Mon, 27 Jan 2020 10:23:06 -0500 Received: by mail-oi1-f195.google.com with SMTP id q81so7020387oig.0; Mon, 27 Jan 2020 07:23:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QjMETMAiTJJTMebxmvIOpTK7NVSsq+l6+TUBDAz7YBI=; b=l+mgQm9Ck7Wa4k0wcJBjI5Tbt1OmwKNIoGXfNYNgSHQHc9YnvbN3UwGH3Pvkar+l5f Itj72vMZ4AC9qn1ySoXfBoyCDiCtkzREeRRBiJ7wOZ8fNA9E+8i6GMB3mShBDmGehgT1 l+TnkQBmmmUkDuROcIxkaNZAOLaiu/6V1A9BYupGZCEG6HrzN18R3ttqvMRpW5NGneCL bhtfOiHKGCtxFt32P4QXT23ak2zCnS93gg6Y2rOX6GoCaHyq+ecQrjbsx0Gmm+QlhSE0 WX/zFnBRA6uIV51oDS7hwjgdZ3rfUcdHv1SMBWDvA4LhjHwB3/ifF+bA4yYlxqJmXChk ozew== X-Gm-Message-State: APjAAAVjm2nBmhm0HL5PTAtBnJWg48nZbx7tBDZsUDoJBH9BDU9QbZwh mgj/LSU2JTXW13I4vUgm6OatvMHxoKC7WwOprs0= X-Received: by 2002:aca:5905:: with SMTP id n5mr7883509oib.54.1580138585003; Mon, 27 Jan 2020 07:23:05 -0800 (PST) MIME-Version: 1.0 References: <20200127150822.12126-1-gilad@benyossef.com> In-Reply-To: <20200127150822.12126-1-gilad@benyossef.com> From: Geert Uytterhoeven Date: Mon, 27 Jan 2020 16:22:53 +0100 Message-ID: Subject: Re: [RFC v3] crypto: ccree - protect against short scatterlists To: Gilad Ben-Yossef Cc: Herbert Xu , "David S. Miller" , Ofir Drang , Linux Crypto Mailing List , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Hi Gilad, On Mon, Jan 27, 2020 at 4:08 PM Gilad Ben-Yossef wrote: > Deal gracefully with the event of being handed a scatterlist > which is shorter than expected. > > This mitigates a crash in some cases due to > attempt to map empty (but not NULL) scatterlists with none > zero lengths. > > Signed-off-by: Gilad Ben-Yossef > Reported-by: Geert Uytterhoeven Thank you, boots fine on Salvator-XS with R-Car H3ES2.0, and CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y. Tested-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds