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 C908DEB64DA for ; Thu, 20 Jul 2023 21:48:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229737AbjGTVsC (ORCPT ); Thu, 20 Jul 2023 17:48:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229560AbjGTVsB (ORCPT ); Thu, 20 Jul 2023 17:48:01 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 861C52711 for ; Thu, 20 Jul 2023 14:48:00 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id 98e67ed59e1d1-26598fc0825so1713724a91.0 for ; Thu, 20 Jul 2023 14:48:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1689889680; x=1690494480; 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=twEvmkPU0mxcvyzF5PqdNe8AyZ4NwFNYaQ1CTqmcu+E=; b=No5VDdWPDUvfW7+NJOwgoJQDfOD+IhbiqUf5oJwIfT5+B0/WTewqNZPzRdC+JgE/lP kjJjektXdbhx3MC2con9lxGY6jtKJu4fUqeSH3TvDBcAMLaRTxOfTxMfNZ8F4mxf+mDR KAea+ZtWfUbezLnbGHamUG+Wo9A/RULPP2LYo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689889680; x=1690494480; 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=twEvmkPU0mxcvyzF5PqdNe8AyZ4NwFNYaQ1CTqmcu+E=; b=JxQdHdGezSWXiJyDb5ubn9hcMeIjfKGUpi063MoFETS0O92/Gn+FTndMU4gfDGFg2M CVoX3of6MHEmT3tF00Lq+LZ3ywA9tSwOE6F9Au1aiUEiG2oEYxtQgBHwBFOZ1Efo5XDo 7BKz8wsEeMh8TD2naTK33V8D9rIL5SX4Eh6pUxAk/NbJZ8f9pJL+tk+jO4g8MPJKN9ev VmZbzuf3fobvWPbtZdiI73w4mjCTPgiA3eXDfQh7L+RvC7o4VPBdGP6baPaagWpfXTKS UrNAIrAiUX4NRNMqFIsu3qefIYbrhMDFi98YsNJYCcZDmz6rAL7zCZ7jdzEqmE+pvOf8 nELQ== X-Gm-Message-State: ABy/qLazBPFSAiPAmQgmDajIpulu+ONZbQjcyYdGsFoQioLxoDim3Syl qxb5VffMCvrhTLjzX9NE3XCOrQ== X-Google-Smtp-Source: APBJJlGgt8Uu256GC15jac2zmoopBLCBf3En87S/BmxQdJUTUmMg3SvdGETr/NVT/gJlxKlMTrezCw== X-Received: by 2002:a17:90b:118e:b0:262:fe4b:b45 with SMTP id gk14-20020a17090b118e00b00262fe4b0b45mr171679pjb.19.1689889680021; Thu, 20 Jul 2023 14:48:00 -0700 (PDT) Received: from google.com (KD124209188001.ppp-bb.dion.ne.jp. [124.209.188.1]) by smtp.gmail.com with ESMTPSA id lc14-20020a17090b158e00b002612150d958sm3082786pjb.16.2023.07.20.14.47.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Jul 2023 14:47:59 -0700 (PDT) Date: Fri, 21 Jul 2023 06:47:55 +0900 From: Sergey Senozhatsky To: Ricardo Ribalda Cc: Laurent Pinchart , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , stable@kernel.org, Zubin Mithra Subject: Re: [PATCH v2] media: uvcvideo: Fix OOB read Message-ID: <20230720214755.GE57770@google.com> References: <20230717-uvc-oob-v2-1-c7745a8d5847@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230717-uvc-oob-v2-1-c7745a8d5847@chromium.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On (23/07/20 17:46), Ricardo Ribalda wrote: > > If the index provided by the user is bigger than the mask size, we might do an > out of bound read. > > CC: stable@kernel.org > Fixes: 40140eda661e ("media: uvcvideo: Implement mask for V4L2_CTRL_TYPE_MENU") > Reported-by: Zubin Mithra > Signed-off-by: Ricardo Ribalda Reviewed-by: Sergey Senozhatsky