From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by sourceware.org (Postfix) with ESMTPS id 0852B3857379 for ; Fri, 10 Jun 2022 19:39:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0852B3857379 Received: by mail-pg1-x52e.google.com with SMTP id q140so71443pgq.6 for ; Fri, 10 Jun 2022 12:39:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=WArSWtBNWLL/oTGl/DA91FOnSrqa8Jq/MqWjZMTTThM=; b=77QuApMDScLgCJGrSZJ5Vrgp71fZWjou/HHn5mJ7P7Fn5zWVxFTQMhx38/GSJWpHya upbEYpc4cgSnpo5CVW7wvm0Ph4hr//SdJcIkTpsZ0Ry6qhUna9gSvO5a0ihSwOgdqEQy RTK7DLScPy3KkxMQtXzcXoU2j4axms1uUZJx4YaIxHAVmzjwOiiCnZhtk/HjGPhmWJ6X v9vlbYEYfZO27d8Uhg413dLOHuXUpvnG6/JYoHLo4HA9ssnvHPFCIdSiCQHfUl1ZPKRo Zsb42RzyxjTUVQnA/2kx8arUPSjra45ZMOigaD4Ce5JYVpKApvpxsE5bkBh3ixx+9PzU 6ZJg== X-Gm-Message-State: AOAM533d5a06vhokDdWlyVe2qwHUCp8Sq5b3TOefpIsdfLLivhPEj0Mh ILDJTk+EnhBQNre/Gfs56vmGdMKX23TbdmxP++b3UQPqEVw= X-Google-Smtp-Source: ABdhPJwIDabBqElYrEoV53TvVa4Mbaxb0QqKAXwrPmbUxsDgTtg7p1b91eM0xqF6v31Xs4Jg7S7DnEzk8eiPqfpv540= X-Received: by 2002:a63:90c8:0:b0:3fc:ad6f:6e96 with SMTP id a191-20020a6390c8000000b003fcad6f6e96mr41444501pge.256.1654889945034; Fri, 10 Jun 2022 12:39:05 -0700 (PDT) MIME-Version: 1.0 From: "H.J. Lu" Date: Fri, 10 Jun 2022 12:38:29 -0700 Message-ID: Subject: Bug in dynamic linker ld 2.37.20211103-150100.7.29 To: pierre.lauber@aiub.unibe.ch, Jan Beulich , Binutils Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3019.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: Fri, 10 Jun 2022 19:39:07 -0000 commit 17c6c3b99156fe82c1e637e1a5fd9f163ac788c8 Author: Jan Beulich Date: Fri May 7 12:05:12 2021 +0200 x86-64/ELF: clear src_mask for all reloc types x86-64 uses rela relocations. The comment next to the field's declaration says "Non-zero values for ELF USE_RELA targets should be viewed with suspicion ..." And indeed the fields being non-zero causes section contents to be accumulated into the final relocated values in addition to the relocations' addends, which is contrary to the ELF spec. But for_main.o from https://lists.gnu.org/archive/html/bug-binutils/2022-06/msg00064.html has 28: e8 fc ff ff ff call 29 29: R_X86_64_PLT32 for_rtl_init_ 2d: e8 fc ff ff ff call 2e 2e: R_X86_64_PLT32 MAIN__ 32: e8 fc ff ff ff call 33 33: R_X86_64_PLT32 for_rtl_finish_ This is clearly wrong since addend is 0. This is a bug in the compiler which was used to generate it. If you have to use the buggy compiler, you need to use binutils 2.36 or older. -- H.J.