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 896D2CDB482 for ; Mon, 16 Oct 2023 19:49:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233527AbjJPTtg (ORCPT ); Mon, 16 Oct 2023 15:49:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233724AbjJPTtd (ORCPT ); Mon, 16 Oct 2023 15:49:33 -0400 Received: from mail-ot1-x32d.google.com (mail-ot1-x32d.google.com [IPv6:2607:f8b0:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2172EF2 for ; Mon, 16 Oct 2023 12:49:29 -0700 (PDT) Received: by mail-ot1-x32d.google.com with SMTP id 46e09a7af769-6b9e478e122so3429766a34.1 for ; Mon, 16 Oct 2023 12:49:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1697485768; x=1698090568; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=TDEvoDDFlhaScQdoPW2tJhTzTU/5dfUG14nxqzDs2yA=; b=JsWsXFp7B+tTYU2ItV0yg6gp2M0FieKyfLU1u65a9OD1zULLXTI9IUZjcTP7nPF7Cn YSCdjyak05QNzkxjgILMkBBeuFuaEDcGmtspaaZ0UkOdFWCCO9Y+CEAiN6jstBqMGYAA 5fy3L2H023WgcLg5FJNBOoKl/Kgvhf3HtIiXQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697485768; x=1698090568; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=TDEvoDDFlhaScQdoPW2tJhTzTU/5dfUG14nxqzDs2yA=; b=CSJziks4HVed0YCkdXnDmmHSrPTEWuQBowN6f/JFYR4+sW35AIfpfpIQ2ihSWifEP3 52tS08W2thSlfm89ljgFMF69ugFffvVB9LjNH6h0z6wlOEPEgkii6EXhcI7s7JWaE/TD chAAhwp8I7xaz72xClYDJYPH/y5v4uzdwT4aYr1fP2HKWQpgx2xvaKiIyaqUzP7OMY0+ Ks1mUS+GhxRaU1Us9Sioro41cPH2V1mFdymWTeYtAdODoKoIL52WDMnJUAQJ/H5LqL1s LNAC+GZuALV7hUfblB3YP0kkEE03qeyQ9Iktqt2JUBNPZy8aJemueImrzV4cVuDz9QLt gAZA== X-Gm-Message-State: AOJu0YwTJCFSVLaldmHEClLeWFLDHdFo7S7lq+6jHgpTqJANizJvM7Tr ylsiLGCVZ1LNi8+3UoQmm/8EoQ== X-Google-Smtp-Source: AGHT+IGzztkRAoioNbwxGtaNyJL8FtTv0uRRmTERYsx7mf9E05Z0DIj6n8vDcTI8S1PZr6xfpA678g== X-Received: by 2002:a9d:6d9a:0:b0:6b8:807b:b50 with SMTP id x26-20020a9d6d9a000000b006b8807b0b50mr221886otp.22.1697485768484; Mon, 16 Oct 2023 12:49:28 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id v67-20020a626146000000b00690d1269691sm309260pfb.22.2023.10.16.12.49.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Oct 2023 12:49:27 -0700 (PDT) Date: Mon, 16 Oct 2023 12:49:27 -0700 From: Kees Cook To: Kartik Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, andy@kernel.org, akpm@linux-foundation.org, arnd@arndb.de, ulf.hansson@linaro.org, linus.walleij@linaro.org, pshete@nvidia.com, petlozup@nvidia.com, frank.li@vivo.com, robh@kernel.org, stefank@nvidia.com, pdeschrijver@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v5 1/8] mm/util: Introduce kmemdup_array() Message-ID: <202310161249.A59D2AE2@keescook> References: <20231016053411.3380-1-kkartik@nvidia.com> <20231016053411.3380-2-kkartik@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231016053411.3380-2-kkartik@nvidia.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 16, 2023 at 11:04:04AM +0530, Kartik wrote: > Introduce kmemdup_array() API to duplicate `n` number of elements > from a given array. This internally uses kmemdup to allocate and duplicate > the `src` array. > > Signed-off-by: Kartik Acked-by: Kees Cook -- Kees Cook