From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by sourceware.org (Postfix) with ESMTPS id 0609B3858CDA for ; Sat, 20 Aug 2022 23:37:38 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0609B3858CDA Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=jguk.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=jguk.org Received: by mail-wr1-x431.google.com with SMTP id h5so8265694wru.7 for ; Sat, 20 Aug 2022 16:37:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jguk.org; s=google; h=content-transfer-encoding:content-language:to:subject:from :user-agent:mime-version:date:message-id:from:to:cc; bh=CeoLpGC99iClVAgJYgvgfntOsaL+3DfOtMy1kmNcACg=; b=JVkk/e+nvHiF/Y7dMe5Wh5eHFP5SqMj835kcoLsTVDF75EX6/Aw2OYVwvtGI4FJ+2h iDdl1ueCaivfR1NUbDJb1xoZcQ2aw/DD5eARouhEZkTZoCIDN+iSysoqDQB0cfkHdfHR Nay4r3YBBlAuv26cd7xCr4pPqv2T9kcVP8bjrckTMVOxpDarmXfEpSa+rCuxq3NcnkvT 9xxoqYEtQIKdwJYiOL44KNJj8cZ6KiFEcuHJ3/vzjBdMss9pA15WaIrZyWqSx+R61R10 UUM7/gJ/VXeMRRYRHFpWibzLK2gdkVBxVQmZOEiopJ5K91QGvBvagYEQDjuuZEUTekcU /RgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:content-language:to:subject:from :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc; bh=CeoLpGC99iClVAgJYgvgfntOsaL+3DfOtMy1kmNcACg=; b=iqMOzpcb2JSW4n/L8oyk3uchLyI/L/cIwDwpyjaIzAJOLNvv5rmIsssTZ43fWL4owE VGKE1TVtEcbJkzyvdI30iMCq9cH7fiEoM0NQn5wKmJgWpoxanenM6jS1b2JyBozksFjj m3OFVtX5RiisJwWUn8m9o0pNLk5xuHRqo6Lgm/prRfigLGW7u29I71RPzvcLj3flYa80 rMgN9GTfayYDo+yIqOdaFwpzqhGXs5jwo92GLf5VYlkcE4gWrYhma9W61uiV2ABN16mI 0/N/P/vFue6CYt6fjkGCYNqPk/Z7BRW0A4nY7BPj5TBIxfhA27aFcCaIPN3qPqCidUNU m3Wg== X-Gm-Message-State: ACgBeo0cI9zeQcz6Uvj1F9VbWArX8v9myBjDnEvFsbTYsH4z2lkg6GPn WDFutn6KcW9CIqYZpsRN5GNFyMUOMSG3gQ== X-Google-Smtp-Source: AA6agR6rc6JE80hStkH4msVCVzBb8uiMirlHd98Fj8glu16pUltmg384TCEH0VI9MuwxfWbBEz1mjA== X-Received: by 2002:a5d:684a:0:b0:225:4363:c4e9 with SMTP id o10-20020a5d684a000000b002254363c4e9mr2620229wrw.309.1661038656679; Sat, 20 Aug 2022 16:37:36 -0700 (PDT) Received: from [192.168.0.12] (cpc87345-slou4-2-0-cust172.17-4.cable.virginm.net. [81.101.252.173]) by smtp.gmail.com with ESMTPSA id t24-20020a1c7718000000b003a643ac2b08sm4717032wmi.8.2022.08.20.16.37.36 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 20 Aug 2022 16:37:36 -0700 (PDT) Message-ID: Date: Sun, 21 Aug 2022 00:37:35 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 From: Jonny Grant Subject: ld-linux-x86-64 core file SIGSEGV To: libc-help@sourceware.org Content-Language: en-GB Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-help@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-help mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Aug 2022 23:37:44 -0000 Hello I have a core file from a crash in glibc's ld.so Couldn't reproduce it. Was just wondering if there was any useful info I could extract to identify which function it crashed in? I can see the backtrace using 'bt' command. I can see the assembly using 'layout asm' Core was generated by `/lib64/ld-linux-x86-64.so.2 /usr/lib/vmware/lib/libvmware-modconfig.so/libvmwar'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007fac33ccb540 in ?? () (gdb) bt #0 0x00007fac33ccb540 in () #1 0x00007fac33ccea00 in () #2 0x00007fac33ccdfa0 in () #3 0x00007fac33c496b0 in () #4 0x00007fac33c49bf0 in () #5 0x00007fac33c4a130 in () #6 0x00007fac33ccd000 in () #7 0x00007fac33c4a670 in () #8 0x00007fac31cdf310 in () at /usr/lib/vmware/lib/libvmwarebase.so/libvmwarebase.so installing libc6-amd64-dbgsym doesn't show any more I'm running latest Ubuntu LTS. Just thought I would take a look, see if there is an issue. $ /lib64/ld-linux-x86-64.so.2 --version ld.so (Ubuntu GLIBC 2.35-0ubuntu3.1) stable release version 2.35. Copyright (C) 2022 Free Software Foundation, Inc. Cheers, Jonny