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 B8A2DC7EE24 for ; Tue, 16 May 2023 18:19:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231894AbjEPSTQ (ORCPT ); Tue, 16 May 2023 14:19:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231722AbjEPSTO (ORCPT ); Tue, 16 May 2023 14:19:14 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB6C6271B for ; Tue, 16 May 2023 11:19:10 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id d2e1a72fcca58-644d9bf05b7so8503781b3a.3 for ; Tue, 16 May 2023 11:19:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1684261150; x=1686853150; 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=S2KXWalTdvuGRBWwyxeiECFs48vb0kc6jIG6BVZ17mo=; b=Z+oc/RnmkqCau1eig8XC59UFZDXTkKpJLVIle+4Fox0TpnKXHVaVyftTO51uf+LWTX IcxX+7w1jlQ3yRO8Q4hNA1rbsRiqf14wZo1H/OmgD0pGGRHlElIMPYPqO0hK9ONPzhL0 U3caLl/jlIPZqNdr5fhCkQQMWIz7+cJDQYnY0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684261150; x=1686853150; 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=S2KXWalTdvuGRBWwyxeiECFs48vb0kc6jIG6BVZ17mo=; b=GfJWv1f5Mx7VHYJHCHzDdyL6hkfUY57S20vbX0SUx2AIFDB3IF42afL3Yr52YhGmWh BjaG1cGcSnjEIJ7B8/wj/NfxjWwW1n9fcMDfK90Y2sR59V19wiWo3+RKJQJ7ZO4Yv6oY naM7NUAnIlBURa2EGtQkrQpxQa0SaeNdXfXxru+tfCSLlSqWWLeQ+Q3cZXiyGfuEPcWW N+pJGqGcvmHUUCHZAmdzJIn93GZlYAQjAxnhc4vm3mPAECY81+2VN3z3ksdFOvhMcr+L XRDqDEOwTg0QAQBpbqsj55rcRzfao/4Vyo4SzOvY/wycmk1aVyW/F0gvxSXmCJknZrlW oGKw== X-Gm-Message-State: AC+VfDxGZ3fXFXrE8yv33XoMeDiQ4dadSb3oHZi+ScGGpEkBbh6LXGI5 Apf0v9IBE9m4XuXvMNw2CGKx2g== X-Google-Smtp-Source: ACHHUZ5JIQKxCPQ27BHIeg2iA39AMfvy4E6QWK0tSVz7aRpKK8uGONHyNmjFI2YOy2GrosvFVaFsWA== X-Received: by 2002:a05:6a00:22d3:b0:64a:a432:f313 with SMTP id f19-20020a056a0022d300b0064aa432f313mr22510808pfj.31.1684261150336; Tue, 16 May 2023 11:19:10 -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 a6-20020aa78646000000b0062607d604b2sm13768911pfo.53.2023.05.16.11.19.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 May 2023 11:19:09 -0700 (PDT) Date: Tue, 16 May 2023 11:19:09 -0700 From: Kees Cook To: "Gustavo A. R. Silva" Cc: Jiawen Wu , Mengyuan Lou , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH][next] net: libwx: Replace zero-length array with flexible-array member Message-ID: <202305161119.B6E9737124@keescook> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 15, 2023 at 01:23:46PM -0600, Gustavo A. R. Silva wrote: > Zero-length arrays as fake flexible arrays are deprecated, and we are > moving towards adopting C99 flexible-array members instead. > > Transform zero-length array into flexible-array member in struct > wx_q_vector. > > Link: https://github.com/KSPP/linux/issues/21 > Link: https://github.com/KSPP/linux/issues/286 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > Signed-off-by: Gustavo A. R. Silva Reviewed-by: Kees Cook -- Kees Cook