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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9EAC5C7619A for ; Wed, 12 Apr 2023 21:48:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229845AbjDLVst (ORCPT ); Wed, 12 Apr 2023 17:48:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229469AbjDLVsh (ORCPT ); Wed, 12 Apr 2023 17:48:37 -0400 Received: from mail-qt1-x82d.google.com (mail-qt1-x82d.google.com [IPv6:2607:f8b0:4864:20::82d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D482469D for ; Wed, 12 Apr 2023 14:48:36 -0700 (PDT) Received: by mail-qt1-x82d.google.com with SMTP id l11so14669164qtj.4 for ; Wed, 12 Apr 2023 14:48:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681336115; x=1683928115; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=OA4ifBjjUBhqxW1kL8wHvEfhchEHzp6wDC3omb1/uGI=; b=YxQ53+/Lvgn0A/3+q+D1DR+MFB0RM6t3VinLU+JbxQpL8aQ/V1AIbenP65zMHsLrH7 wJpn5GTEHor/sWSKobH+vUrPBvoWCR6hKt9h9R2U2mmT7ZAKlELxDweSDEMp9dKfAf22 GpdKgYgR+rCwQRVe1iASC8cJSXlnuoV6Rvo6R+Na6FzoD7x0a2q67BX/alM6Z6m7FOpb 1+sw0ZM7fTWu2MXJgLACpvh0+8pYAXod6srHNhebCPws4XMIBfD/Sry6y2Rr4t7zeDgW FOu+HLJZYgxX8wnQ6mvSA/Ts02JVySetK9m6jnWOybb3S0KKKPaBEHAH+tNvub/Aoxtc B7pQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681336115; x=1683928115; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OA4ifBjjUBhqxW1kL8wHvEfhchEHzp6wDC3omb1/uGI=; b=Vxfw6sSi377u+ICa/MDEmXHu8sJEBgix0gMprPC/6Ly/pqV4689l0TlBiZzN6hoYYT gnwSCLfvCkh0huOFVePic0G3fVqnItm3OYWkaIj2SvJahec8wx8sHYLNT+59w1pClAB1 yPYp+VX2Rrqcu7Jxr4e1rGFDrSmRTZpbSSDXOPneIdPF4xp1Rm2LtxNhtJtso9IoxRz9 lkMwpfBpj8CSBMqzmNUN4UWr9dZ5yGBEH1j25lKFhvFln4j5VGZZUAe3E9HhFC4a1rg0 IwzaqC7FivRJXayJkhLra5qZoKUeLTKjViYx56/vcXzineno2pKpPR29kd4ScPxVWZGH qEXA== X-Gm-Message-State: AAQBX9clf/2K+Pga4eMMmAD0RUtdnRxQkPuuMZ9BqjfCBbBjkZxwYkc+ XfMWYKsKYARzX2uO1xeFM8Y= X-Google-Smtp-Source: AKy350YEqTIQ7X+Mrh6KNWSf9/lvz6I6UYu4ISdAZx5eL6cgvGTCkHjrKJ7virLFCTeR/6XDsSS1vQ== X-Received: by 2002:ac8:5bc2:0:b0:3da:e3a8:b01a with SMTP id b2-20020ac85bc2000000b003dae3a8b01amr152551qtb.0.1681336115557; Wed, 12 Apr 2023 14:48:35 -0700 (PDT) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id g3-20020ac84b63000000b003e3910db4f1sm23201qts.35.2023.04.12.14.48.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Apr 2023 14:48:34 -0700 (PDT) Message-ID: <95dae940-af15-d8ef-5ce9-4ac983dfdef8@gmail.com> Date: Wed, 12 Apr 2023 14:48:29 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH 1/3] ARM: compressed: Pass the actual output length to the decompressor Content-Language: en-US To: =?UTF-8?Q?Jonathan_Neusch=c3=a4fer?= , linux-arm-kernel@lists.infradead.org Cc: Russell King , Nick Terrell , Arnd Bergmann , Tony Lindgren , Geert Uytterhoeven , Linus Walleij , Sebastian Reichel , Nick Hawkins , Christophe Leroy , Nick Desaulniers , Xin Li , Seung-Woo Kim , Paul Bolle , Bart Van Assche , linux-kernel@vger.kernel.org, "Russell King (Oracle)" References: <20230412212126.3966502-1-j.neuschaefer@gmx.net> <20230412212126.3966502-2-j.neuschaefer@gmx.net> From: Florian Fainelli In-Reply-To: <20230412212126.3966502-2-j.neuschaefer@gmx.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/12/23 14:21, Jonathan Neuschäfer wrote: > ZSTD writes outside of the space that is necessary for the uncompressed > data, when it is told it has unlimited output length. To fix this, pass > the actual output length (the length of the uncompressed kernel) to the > decompressor. > > The uncompressed length is already stored as a little endian 32-bit > constant before the input_data_end symbol. > > Signed-off-by: Jonathan Neuschäfer Reviewed-by: Florian Fainelli -- Florian