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 X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E54CEC433B4 for ; Fri, 16 Apr 2021 21:12:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB3326101D for ; Fri, 16 Apr 2021 21:12:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235608AbhDPVNJ (ORCPT ); Fri, 16 Apr 2021 17:13:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235809AbhDPVNI (ORCPT ); Fri, 16 Apr 2021 17:13:08 -0400 Received: from mail-qk1-x72c.google.com (mail-qk1-x72c.google.com [IPv6:2607:f8b0:4864:20::72c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E381C061574; Fri, 16 Apr 2021 14:12:43 -0700 (PDT) Received: by mail-qk1-x72c.google.com with SMTP id o5so30375308qkb.0; Fri, 16 Apr 2021 14:12:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=pej7cYSY7G++pCyMAJmDVXBzw+DrojrmueaKR2kfWvY=; b=BX/Uss1RFKucFsMCZsRQ0QE7jgcdrT1NnTd1q4O6jafSkjbXH39SrsG8+l0iWy0DIU ExSUB5BDfr84ZeqgYn2q6VYaM6yaGa7hGs3xf1+ozEp6y+C5y85tGE1kiHnXV/IHFs3q m7d6S5iikMF2BQvD2FeAg0n/Z6PRZBVX9EjtBLcvC/zgBLzcsgzUuENtKqtwm78JTO9p JF5TzsiVWfJOPMA9Egz2N7KZymkTvOguPpre2YOFxm9+ksiSDyL/oDBXqiOhHb+AshWV ndJl5JeDtQc4VNYsDHVYeSoQbPNBLB/mgERlgkdsK70uFb0L5X929MiczHULRjZDa8hJ E0Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=pej7cYSY7G++pCyMAJmDVXBzw+DrojrmueaKR2kfWvY=; b=mx5ssOIlI1hUa5h650ID+FIDRNKAhdPRUMh3LlzZDdpZIM0hKGmwVcAeE6uiI1EiFN 0f+KQsHFA7b7DLxJ/Tb416iHR2oDd0KRlBRPBKyVqbPZgm/5T3Ep04RrVuypblE2L8Rm SQPzOauBOLqBUY8QjjW/D2xQiFFCAHVWGO0u+2IsylLkoIdn16JLtxdx4irBbK14EnK1 eXEI1Lzi/vgJU4AJsiZpC5dHuR9ifq5kVcWpOZYm/sfsyTz2zFsWZ0WNXi0AIRM7wE7u n5A7T1EKQTgIKfrcumlp1PhV7aWS1dgPLr300z2PE/Gjp31j/ra5cxVEvtDHmYhDPSP3 dmBg== X-Gm-Message-State: AOAM533dWV9jg5k8M3E9SiB+LOkyfzO65DycpdbdC61l5EgZ3yH3/Bva lbZCk8dCy97u/JCATVLOuvVJx+WRwf5uQdm9 X-Google-Smtp-Source: ABdhPJwz15JS4tTE2Z7l24KG2GsiWuSfGDGJ4OnV+YsQx2YUL//IMrj070shK8loUGD6wZjFLwtjYg== X-Received: by 2002:a37:e50e:: with SMTP id e14mr1201256qkg.117.1618607562894; Fri, 16 Apr 2021 14:12:42 -0700 (PDT) Received: from horizon.localdomain ([2001:1284:f016:34ad:eee9:5f0:5b4c:3593]) by smtp.gmail.com with ESMTPSA id d14sm5064497qkg.33.2021.04.16.14.12.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Apr 2021 14:12:42 -0700 (PDT) Received: by horizon.localdomain (Postfix, from userid 1000) id 13155C086B; Fri, 16 Apr 2021 18:12:40 -0300 (-03) Date: Fri, 16 Apr 2021 18:12:40 -0300 From: Marcelo Ricardo Leitner To: "Gustavo A. R. Silva" Cc: Vlad Yasevich , Neil Horman , "David S. Miller" , Jakub Kicinski , linux-sctp@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH][next] sctp: Fix out-of-bounds warning in sctp_process_asconf_param() Message-ID: References: <20210416191236.GA589296@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210416191236.GA589296@embeddedor> Precedence: bulk List-ID: X-Mailing-List: linux-sctp@vger.kernel.org On Fri, Apr 16, 2021 at 02:12:36PM -0500, Gustavo A. R. Silva wrote: > Fix the following out-of-bounds warning: > > net/sctp/sm_make_chunk.c:3150:4: warning: 'memcpy' offset [17, 28] from the object at 'addr' is out of the bounds of referenced subobject 'v4' with type 'struct sockaddr_in' at offset 0 [-Warray-bounds] > > This helps with the ongoing efforts to globally enable -Warray-bounds > and get us closer to being able to tighten the FORTIFY_SOURCE routines > on memcpy(). > > Link: https://github.com/KSPP/linux/issues/109 > Reported-by: kernel test robot > Signed-off-by: Gustavo A. R. Silva Acked-by: Marcelo Ricardo Leitner Thanks.