From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mtareserve89.acsu.buffalo.edu ([128.205.6.188]:58921 "EHLO mtareserve1.acsu.buffalo.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750874AbcCHU1P (ORCPT ); Tue, 8 Mar 2016 15:27:15 -0500 Received: from localmailf.acsu.buffalo.edu (localmailf.acsu.buffalo.edu [128.205.4.17]) by mtareserve1.acsu.buffalo.edu (Postfix) with ESMTP id 600EEDB7E04 for ; Tue, 8 Mar 2016 15:27:14 -0500 (EST) Received: from localmailf.acsu.buffalo.edu (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 53CF880066 for ; Tue, 8 Mar 2016 15:27:14 -0500 (EST) Received: from localmailf.acsu.buffalo.edu (localhost [127.0.0.1]) by localmailf.acsu.buffalo.edu (Postfix) with ESMTP id 2804C8008B for ; Tue, 8 Mar 2016 15:27:14 -0500 (EST) Received: from smtp.buffalo.edu (smtp4.acsu.buffalo.edu [128.205.5.229]) by localmailf.acsu.buffalo.edu (Prefixe) with ESMTP id 266F980066 for ; Tue, 8 Mar 2016 15:27:14 -0500 (EST) Received: from flyline.acsu.buffalo.edu (porkchopexpress.acsu.buffalo.edu [128.205.123.27]) by smtp.buffalo.edu (Postfix) with ESMTP id E6AEAE1BACA for ; Tue, 8 Mar 2016 15:27:13 -0500 (EST) Message-ID: <56DF35A1.1000007@buffalo.edu> Date: Tue, 08 Mar 2016 15:27:13 -0500 From: Mark Valites MIME-Version: 1.0 To: linux-nfs@vger.kernel.org Subject: Re: RH 7 nfs-utils update causes segfault References: <56DDA2C2.3010806@buffalo.edu> <56DDABE2.3040204@buffalo.edu> <56DF0497.6090407@buffalo.edu> <56DF1C65.9090007@buffalo.edu> <56DF286F.3010704@buffalo.edu> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-nfs-owner@vger.kernel.org List-ID: On 03/08/2016 03:16 PM, Benjamin Coddington wrote: > That's where we want the backtrace; that's when you should do 'bt'. Feel > free to leave out everything else. Wow - Sorry about that. (gdb) handle SIG37 nostop Signal Stop Print Pass to program Description SIG37 No Yes Yes Real-time event 37 (gdb) continue Continuing. Program received signal SIG37, Real-time event 37. Program received signal SIG37, Real-time event 37. Program received signal SIG37, Real-time event 37. Program received signal SIG37, Real-time event 37. Program received signal SIG37, Real-time event 37. Program received signal SIGSEGV, Segmentation fault. __strcmp_ssse3 () at ../sysdeps/x86_64/strcmp.S:212 212 movlpd (%rdi), %xmm1 (gdb) bt #0 __strcmp_ssse3 () at ../sysdeps/x86_64/strcmp.S:212 #1 0x00007fec0dfb60f4 in find_keytab_entry (context=0x7fec0f82d6d0, kt=0x7fec0f829a10, tgtname=tgtname@entry=0x7fec0f829910 "ubfs1.itorg.ad.buffalo.edu", kte=kte@entry=0x7fffc8ca1ec0, svcnames=svcnames@entry=0x7fffc8ca1e90) at krb5_util.c:894 #2 0x00007fec0dfb6ded in gssd_refresh_krb5_machine_credential (hostname=0x7fec0f829910 "ubfs1.itorg.ad.buffalo.edu", ple=ple@entry=0x0, service=service@entry=0x0) at krb5_util.c:1311 #3 0x00007fec0dfb4030 in krb5_use_machine_creds (clp=clp@entry=0x7fec0f82bcb0, uid=uid@entry=0, tgtname=tgtname@entry=0x0, service=service@entry=0x0, rpc_clnt=rpc_clnt@entry=0x7fffc8ca2000) at gssd_proc.c:1086 #4 0x00007fec0dfb4416 in process_krb5_upcall (clp=clp@entry=0x7fec0f82bcb0, uid=0, fd=13, tgtname=tgtname@entry=0x0, service=service@entry=0x0) at gssd_proc.c:1222 #5 0x00007fec0dfb4d03 in handle_gssd_upcall (clp=clp@entry=0x7fec0f82bcb0) at gssd_proc.c:1413 #6 0x00007fec0dfb264e in scan_poll_results (ret=1) at gssd_main_loop.c:85 #7 gssd_poll (nfds=, fds=) at gssd_main_loop.c:201 #8 gssd_run () at gssd_main_loop.c:258 #9 0x00007fec0dfb111a in main (argc=, argv=0x7fffc8ca2418) at gssd.c:216 (gdb) continue Continuing. Program terminated with signal SIGSEGV, Segmentation fault. The program no longer exists. (gdb) FWIW, the ubfs1.itorg.ad.buffalo.edu hostname mentioned in the backtrace is the nfs server.