From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-2.9 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, FROM_EXCESS_BASE64,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id E80DF1F453 for ; Sat, 29 Sep 2018 15:29:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728294AbeI2V5y (ORCPT ); Sat, 29 Sep 2018 17:57:54 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:34490 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728262AbeI2V5x (ORCPT ); Sat, 29 Sep 2018 17:57:53 -0400 Received: by mail-ed1-f68.google.com with SMTP id q19-v6so10617259edr.1 for ; Sat, 29 Sep 2018 08:29:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:user-agent:in-reply-to:date :message-id:mime-version; bh=Li/RjQqj/zhBssKk51gD1dyhLj1h/qWrc5WSIUzuDwI=; b=iPsIiehSaeqZULiqyNyfT1bbkOp3QUsuc7kUyPvbamsObCsGuNTQxyKCerf5POmco3 j+0mMTimmrVbbxsEh6kKqOhonQRnusjHONoMgofZrR50oi7bVgirxuKrFe5sHwutHnt5 SKAhYYAk1EAiNp28HBkcBGeHePWmd+ui1Gh4xrEbTMQujFtJkvhUCWgJpHBSWTti6pKn 7rpaYZ4Rq8rJgpi9g1gdv6MvEDdIJH9nnZNVGopxne4Vvy2hDyg7LB7OO92q/+2Fye+U qVvQBstz0Yij7YplB0+43FkwoD11La3RGJgy1VffGeZ/BUDPI576eOzIYYAQAof7zpMs CnGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:user-agent :in-reply-to:date:message-id:mime-version; bh=Li/RjQqj/zhBssKk51gD1dyhLj1h/qWrc5WSIUzuDwI=; b=GQOyBbgEswu3AcFrYT4sN/LMTJaOwDrNG8qU+gvvMGP3w9uAr2lMCAa7weSzvzdNOh i/2g9AqC0ElUnALO1uZmde3tWgkj7iGu7d8KyYFeexAA2xyAhaHO6sS2vuOPoIBWJNL3 Wh70RqqUkXUZn3/PBSUZr++JwGPfGTGtE7RfKoast0m2jFGlslO0lJH6Ml9Hr8+gC94V zkwfx9oNmXbseDCJ17d7d9Y1Slf5GT1yOXwCPq1DehcYlb64WP/bXasCnOvJMeTNOW4f 6gh/JQWJ04R07WCsTWmSL/x8G6fVFWpOHiFunjId7HJCQ7q5DD4Afqut2uFu/tCvABFu 0kRA== X-Gm-Message-State: ABuFfojy3ywElNaziVMcvvo6Xe4P31VOiKYyopVcfQSD77C6CZyBeGGy tgCUg68b496tsVWtP8haNr2/Nod4m6Q= X-Google-Smtp-Source: ACcGV60PyBzfH2g6LSSJTZ9XlH2PxxCfWwKQUTrzHt+Q2MZDBxNdwnVWKUOhB/T3dwLs5bv6PHSH1g== X-Received: by 2002:aa7:c81a:: with SMTP id a26-v6mr8737585edt.27.1538234942797; Sat, 29 Sep 2018 08:29:02 -0700 (PDT) Received: from evledraar (g74155.upc-g.chello.nl. [80.57.74.155]) by smtp.gmail.com with ESMTPSA id h20-v6sm1200273ejb.11.2018.09.29.08.29.02 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 29 Sep 2018 08:29:02 -0700 (PDT) From: =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason To: Raymond Jennings Cc: git@vger.kernel.org, Stefan Beller Subject: Re: [BUG] Segfault in "git submodule" References: User-agent: Debian GNU/Linux testing (buster); Emacs 25.2.2; mu4e 1.1.0 In-reply-to: Date: Sat, 29 Sep 2018 17:29:01 +0200 Message-ID: <87bm8giapu.fsf@evledraar.gmail.com> MIME-Version: 1.0 Content-Type: text/plain Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Sat, Sep 29 2018, Raymond Jennings wrote: > [New LWP 19644] > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib64/libthread_db.so.1". > Core was generated by `git submodule--helper status'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 refs_read_raw_ref (type=, referent=, > oid=, refname=, ref_store= out>) at refs.c:1451 > 1451 return ref_store->be->read_raw_ref(ref_store, refname, oid, > referent, type); > #0 refs_read_raw_ref (type=, referent=, > oid=, refname=, ref_store= out>) at refs.c:1451 > #1 refs_resolve_ref_unsafe (refs=0x0, > refname=refname@entry=0x55e863062253 "HEAD", > resolve_flags=resolve_flags@entry=1, oid=oid@entry=0x7ffdc834b1c0, > flags=flags@entry=0x7ffdc834b1bc) at refs.c:1493 > #2 0x000055e862fcad5c in refs_read_ref_full (flags=0x7ffdc834b1bc, > oid=0x7ffdc834b1c0, resolve_flags=1, refname=0x55e863062253 "HEAD", > refs=) at refs.c:224 > #3 refs_head_ref (refs=, fn=fn@entry=0x55e862f25fb0 > , cb_data=cb_data@entry=0x7ffdc834b300) at > refs.c:1314 > #4 0x000055e862f292a2 in status_submodule (flags=0, prefix= out>, ce_flags=0, ce_oid=0x55e86468d4d4, path=0x55e86468d4e8 > "lpc-doc") at builtin/submodule--helper.c:624 > #5 status_submodule_cb (cb_data=0x7ffdc834b240, > list_item=0x55e86468d490) at builtin/submodule--helper.c:665 > #6 for_each_listed_submodule (cb_data=, fn= out>, list=) at builtin/submodule--helper.c:404 > #7 module_status (argc=, argv=, > prefix=) at builtin/submodule--helper.c:698 > #8 0x000055e862eaec95 in run_builtin (argv=, > argc=, p=) at git.c:346 > #9 handle_builtin (argc=, argv=) at git.c:554 > #10 0x000055e862eaf985 in run_argv (argv=0x7ffdc834be20, > argcp=0x7ffdc834be2c) at git.c:606 > #11 cmd_main (argc=, argv=) at git.c:683 > #12 0x000055e862eae96a in main (argc=3, argv=0x7ffdc834c078) at common-main.c:43 Can you consistently reproduce this? Maybe Stefan can make some sense of this, but it would be really useful if you could compile git from the master branch with CFLAGS="-O0 -g" and run gdb with that and paste that backtrace, and even better if you're in a position to share a copy of the repository where this happens.