From unknown Thu Jun 12 08:42:41 2025 X-Loop: help-debbugs@gnu.org Subject: bug#38444: sshd / login segmentation faults Resent-From: Robert Vollmert Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Sun, 01 Dec 2019 14:28:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 38444 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 38444@debbugs.gnu.org X-Debbugs-Original-To: bug-guix@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.157521044012543 (code B ref -1); Sun, 01 Dec 2019 14:28:01 +0000 Received: (at submit) by debbugs.gnu.org; 1 Dec 2019 14:27:20 +0000 Received: from localhost ([127.0.0.1]:35588 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ibQC0-0003GF-1V for submit@debbugs.gnu.org; Sun, 01 Dec 2019 09:27:20 -0500 Received: from lists.gnu.org ([209.51.188.17]:37847) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ibQBy-0003G7-CQ for submit@debbugs.gnu.org; Sun, 01 Dec 2019 09:27:18 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55359) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ibQBx-0000wm-5F for bug-guix@gnu.org; Sun, 01 Dec 2019 09:27:18 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ibQBv-0001N4-99 for bug-guix@gnu.org; Sun, 01 Dec 2019 09:27:16 -0500 Received: from mout-p-201.mailbox.org ([2001:67c:2050::465:201]:61742) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ibQBv-0001KK-3J for bug-guix@gnu.org; Sun, 01 Dec 2019 09:27:15 -0500 Received: from smtp1.mailbox.org (smtp1.mailbox.org [80.241.60.240]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 47QrDF5nH8zQl9R for ; Sun, 1 Dec 2019 15:27:09 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp1.mailbox.org ([80.241.60.240]) by spamfilter03.heinlein-hosting.de (spamfilter03.heinlein-hosting.de [80.241.56.117]) (amavisd-new, port 10030) with ESMTP id M7UKcQxT9c4R for ; Sun, 1 Dec 2019 15:27:06 +0100 (CET) From: Robert Vollmert Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Message-Id: <51DE7E6E-8ABC-4979-8222-3976DB78556A@vllmrt.net> Date: Sun, 1 Dec 2019 15:27:06 +0100 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:67c:2050::465:201 X-Spam-Score: -1.6 (-) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.6 (--) I just had to restart my Guix VPS because both ssh as well as console = login were failing. Rebooting fixed the issue (for now). I haven=E2=80=99t = seen such issues before. The system was pulled and reconfigured from master in the last = couple days, and recently added docker-related services. I hadn=E2=80=99t = rebooted into updated kernels in the last few weeks. Other services were still running successfully, so it seems unlikely = that there was some out-of-resources thing going on, but hard to say. Logs for sshd: Dec 1 14:55:00 localhost vmunix: [1549839.654228] sshd[15465]: segfault = at 7fcf00000008 ip 00007fcfe9257278 sp 00007ffe164811c0 error 4 in = ld-2.28.so[7fcfe9249000+1e000] Dec 1 14:55:00 localhost vmunix: [1549839.654259] Code: 8b 1b 48 03 5a = 08 48 8b 40 08 48 c1 e8 03 85 c0 74 23 83 e8 01 4c 8d 74 c3 08 0f 1f 84 = 00 00 00 00 00 4c 89 ea 4c 89 e6 89 ef 13 48 83 c3 08 49 39 de 75 ed 5b 5d 41 5c 41 5d 41 5e c3 0f 1f Dec 1 14:55:00 localhost vmunix: [1549839.684596] audit: type=3D1326 = audit(1575208500.500:114): auid=3D4294967295 uid=3D989 gid=3D983 = ses=3D4294967295 subj=3D=3Dunc onfined pid=3D15466 comm=3D"sshd" = exe=3D"/gnu/store/l02fsn5jln4jrbsc28yr26abi0lqxz97-openssh-8.0p1/sbin/sshd= " sig=3D31 arch=3Dc000003e syscall=3D41 compat=3D0 ip=3D0x7fcfe8d22f27 = code=3D0x0 Logs for console login: Dec 1 14:53:55 localhost vmunix: [1549774.678304] login[15437]: = segfault at 7f5000000008 ip 00007f5013855278 sp 00007ffd42e196f0 error 4 = in ld-2.28.so[7f5013847000+1e000] Dec 1 14:53:55 localhost vmunix: [1549774.678343] Code: 8b 1b 48 03 5a = 08 48 8b 40 08 48 c1 e8 03 85 c0 74 23 83 e8 01 4c 8d 74 c3 08 0f 1f 84 = 00 00 00 00 00 4c 89 ea 4c 89 e6 89 ef 13 48 83 c3 08 49 39 de 75 ed 5b 5d 41 5c 41 5d 41 5e c3 0f 1f Dec 1 14:53:55 localhost shepherd[1]: Respawning term-tty1.=20 Dec 1 14:53:55 localhost shepherd[1]: Service term-tty1 has been = started.=20