From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id A44933947C3E for ; Tue, 22 Mar 2022 14:20:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A44933947C3E Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-119--VVFnTqNMd6aCqoz_i1Ekg-1; Tue, 22 Mar 2022 10:20:41 -0400 X-MC-Unique: -VVFnTqNMd6aCqoz_i1Ekg-1 Received: by mail-wm1-f71.google.com with SMTP id m35-20020a05600c3b2300b0038c90ef2dceso1389430wms.4 for ; Tue, 22 Mar 2022 07:20:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=jNUxEJhXVROyvb1Hmsnl6JC7l0vYO/REGn62huja2vM=; b=sfeWiu0cj4vJlGwwxJX8YNhQGY3zHq+Z4JOsUAOuFk3fSHmsnuD9mEVnzKiCFjLr9u sJRbMutYgEuBWLQySwRm4CU2d7Hj6O+purJRsfyreftkCV8JyldH5B9CSpaBkjupMpyR 3iixWIvYcMUSfykkLEBqlAI71plawjaeG7z2atDItvjw8tGqR1KuFRy6uDctJNd1+c8v BIqUR0HkmBXusscE2o8quhe+plArNtqEILm6OgW39KH7Ngy2dXNHcn00vCcrQUZ2Eglf fLeKenGLOpUWlmYkNrkNZeJvvoQ1fu03zlY0+ysew8AryvuYczmiWNVyMqmE1fgZQt1P d8sw== X-Gm-Message-State: AOAM533HXX7w8f/fr9P8JKm6bDgJ0xg53mLmh+YADv1+B6+zj0Vgv/i/ NSOy5/+jHHFP6hU14BI+NANqRZZQdI+GLQ4Vx+Jhh338bfcmnqnv3mWxPDd+YUM26RRxew+6mZ5 vOaHasPSQprxktxBRgw== X-Received: by 2002:adf:cc89:0:b0:203:f654:116a with SMTP id p9-20020adfcc89000000b00203f654116amr16933881wrj.320.1647958840696; Tue, 22 Mar 2022 07:20:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwA3qxuWo9Qz4vFjKeio8CrP6pxM3MkMQ2Iq/xTvUA9QFXSs8ZRQMN/dmLjovvZLQAGs79AGw== X-Received: by 2002:adf:cc89:0:b0:203:f654:116a with SMTP id p9-20020adfcc89000000b00203f654116amr16933870wrj.320.1647958840549; Tue, 22 Mar 2022 07:20:40 -0700 (PDT) Received: from [192.168.1.6] (adsl-2-solo-173-39.claranet.co.uk. [80.168.173.39]) by smtp.gmail.com with ESMTPSA id t4-20020a05600001c400b00203fb5dcf29sm9838921wrx.40.2022.03.22.07.20.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Mar 2022 07:20:40 -0700 (PDT) Message-ID: <4c38242a-aa82-b6a7-1d0c-27c1eb5296f8@redhat.com> Date: Tue, 22 Mar 2022 14:20:39 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH v2] ELF32: don't silently truncate relocation addends To: Jan Beulich , Binutils References: <20dd63c2-09c7-6308-c8a6-d2ecd9726430@suse.com> From: Nick Clifton In-Reply-To: <20dd63c2-09c7-6308-c8a6-d2ecd9726430@suse.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-GB Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Mar 2022 14:20:48 -0000 Hi Jan, > At least x86-64's x32 sub-mode and RISC-V's 32-bit mode calculate > addends as 64-bit values, but store them in signed 32-bit fields when > generating the file without encountering any earlier error. When the > relocated field is a 64-bit one, the value resulting after processing > the relocation record when linking (or the latest when loading) may > thus be wrong due to the truncation. Patch approved - please apply. Cheers Nick