From owner-freebsd-questions@FreeBSD.ORG Tue Sep 3 19:40:04 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id F3C4C3E0 for ; Tue, 3 Sep 2013 19:40:03 +0000 (UTC) (envelope-from fernando.apesteguia@gmail.com) Received: from mail-wg0-x22e.google.com (mail-wg0-x22e.google.com [IPv6:2a00:1450:400c:c00::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 6777722F3 for ; Tue, 3 Sep 2013 19:40:03 +0000 (UTC) Received: by mail-wg0-f46.google.com with SMTP id k13so5976971wgh.1 for ; Tue, 03 Sep 2013 12:40:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=vteV6AVP/HmKQCTls9e9ZWjkn3J91VrMr4Vc5pAZICY=; b=x/VEfLWi0fPg4Hwhgb/d24SBj5J8BEGTy5PKRwRZMdTyIMmkoPVtzYbiUjy28E0H7N FxaZo9VvwqLLKwpNj1t9b0314UKh0vUr4eg1C9ZwMOBGG6JDCXRjwo6GFg4P//LakRIf GdzyXf9jTYWgTog7nOQieZX2VwsmkInSRdmcot+0Blb2Lw5vuDhw/Jnh4BXU8YQfbL7+ OTfevBqJGvaqpXkT05MFx9jFFsbyUtPPR3FnkkqOAMXolvBBebxFjsqGvB03Y7/caFYj 4a0eS2DEmjJirlFnUJ+2/G+YOIJZzdyxbpAe+f/Qu19ex+FG4V7tJNTcI8WBYV0Q4y74 CbAw== MIME-Version: 1.0 X-Received: by 10.180.185.97 with SMTP id fb1mr19703347wic.61.1378237201663; Tue, 03 Sep 2013 12:40:01 -0700 (PDT) Received: by 10.180.8.38 with HTTP; Tue, 3 Sep 2013 12:40:01 -0700 (PDT) In-Reply-To: References: Date: Tue, 3 Sep 2013 21:40:01 +0200 Message-ID: Subject: Re: f9 snmpd[4517]: stack overflow detected; terminated From: =?ISO-8859-1?Q?Fernando_Apestegu=EDa?= To: alexus Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: User Questions , James Gosnell X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Sep 2013 19:40:04 -0000 On Tue, Sep 3, 2013 at 9:22 PM, alexus wrote: > #13156 0x0000000000000000 in ?? () > #13157 0x0000000000000001 in ?? () > #13158 0x00007fffffffae80 in ?? () > #13159 0x000000080063c400 in ?? () > #13160 0x00007fffffffae90 in ?? () > #13161 0x00007fffffffae30 in ?? () > #13162 0x000000080063c000 in ?? () > #13163 0x0000000800624244 in dlclose () from /libexec/ld-elf.so.1 > Previous frame inner to this frame (corrupt stack?) > (gdb) > > http://pastebin.com/qhQGC5A4 > It was long indeed :) It seems to me you are receiving a very long query from the network and somehow, the snmp_input_finish() function is blowing up. > > > > On Tue, Sep 3, 2013 at 3:18 PM, Fernando Apestegu=EDa < > fernando.apesteguia@gmail.com> wrote: > >> >> El 03/09/2013 21:11, "alexus" escribi=F3: >> >> > >> > it's _REALLY_ long, but if you want I can upload it somewhere... >> > >> > last couple of lines is following: >> > >> > #13163 0x0000000800624244 in dlclose () from /libexec/ld-elf.so.1 >> > Previous frame inner to this frame (corrupt stack?) >> >> Not much there. >> >> Paste the last 10 or 20 lines please. Let's see if that throws some ligh= t. >> >> > >> > >> > >> > On Tue, Sep 3, 2013 at 3:08 PM, Fernando Apestegu=EDa < >> fernando.apesteguia@gmail.com> wrote: >> >> >> >> >> >> >> >> >> >> On Tue, Sep 3, 2013 at 9:04 PM, alexus wrote: >> >>> >> >>> can you guide me through to get "whole backtrace" please? >> >> >> >> >> >> After opening the core like you did, type "bt" and press enter. >> >> >> >>> >> >>> >> >>> >> >>> On Tue, Aug 27, 2013 at 5:19 PM, Fernando Apestegu=EDa < >> fernando.apesteguia@gmail.com> wrote: >> >>>> >> >>>> >> >>>> El 27/08/2013 05:03, "alexus" escribi=F3: >> >>>> >> >>>> >> >>>> > >> >>>> > f9# gdb `which bsnmpd` /bsnmpd.core >> >>>> > GNU gdb 6.1.1 [FreeBSD] >> >>>> > Copyright 2004 Free Software Foundation, Inc. >> >>>> > GDB is free software, covered by the GNU General Public License, >> and you are >> >>>> > welcome to change it and/or distribute copies of it under certain >> >>>> > conditions. >> >>>> > Type "show copying" to see the conditions. >> >>>> > There is absolutely no warranty for GDB. Type "show warranty" fo= r >> details. >> >>>> > This GDB was configured as "amd64-marcel-freebsd"...(no debugging >> symbols >> >>>> > found)... >> >>>> > Core was generated by `bsnmpd'. >> >>>> > Program terminated with signal 6, Aborted. >> >>>> > Reading symbols from /lib/libbegemot.so.4...(no debugging symbols >> >>>> > found)...done. >> >>>> > Loaded symbols for /lib/libbegemot.so.4 >> >>>> > Reading symbols from /usr/lib/libbsnmp.so.6...(no debugging symbo= ls >> >>>> > found)...done. >> >>>> > Loaded symbols for /usr/lib/libbsnmp.so.6 >> >>>> > Reading symbols from /usr/lib/libwrap.so.6...(no debugging symbol= s >> >>>> > found)...done. >> >>>> > Loaded symbols for /usr/lib/libwrap.so.6 >> >>>> > Reading symbols from /lib/libc.so.7...(no debugging symbols >> found)...done. >> >>>> > Loaded symbols for /lib/libc.so.7 >> >>>> > Reading symbols from /lib/libcrypto.so.6...(no debugging symbols >> >>>> > found)...done. >> >>>> > Loaded symbols for /lib/libcrypto.so.6 >> >>>> > Reading symbols from /usr/lib/snmp_mibII.so...(no debugging symbo= ls >> >>>> > found)...done. >> >>>> > Loaded symbols for /usr/lib/snmp_mibII.so >> >>>> > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols >> >>>> > found)...done. >> >>>> > Loaded symbols for /libexec/ld-elf.so.1 >> >>>> > #0 0x0000000800f54d6c in kill () from /lib/libc.so.7 >> >>>> > (gdb) >> >>>> >> >>>> Is that the whole backtrace? >> >>>> >> >>>> > >> >>>> > >> >>>> > >> >>>> > On Mon, Aug 26, 2013 at 10:42 PM, James Gosnell < >> jamesgosnell@gmail.com>wrote: >> >>>> > >> >>>> > > What's the core dump and your config file look like? >> >>>> > > >> >>>> > > >> >>>> > > On Mon, Aug 26, 2013 at 9:28 PM, alexus >> wrote: >> >>>> > > >> >>>> > > > My bsnmpd(1) keep crashing( >> >>>> > > > >> >>>> > > > f9# uname -a >> >>>> > > > FreeBSD f9.alexus.org 9.1-RELEASE-p6 FreeBSD 9.1-RELEASE-p6 >> #0: Wed Aug >> >>>> > > 21 >> >>>> > > > 20:40:52 UTC 2013 >> >>>> > > > root@amd64-builder.daemonology.net: >> /usr/obj/usr/src/sys/GENERIC >> >>>> > > > amd64 >> >>>> > > > f9# bzip2 -cd all.log.1.bz2 | grep snmpd >> >>>> > > > Aug 24 20:59:55 f9 snmpd[4517]: stack overflow detected; >> terminated >> >>>> > > > Aug 24 20:59:55 f9 kernel: Aug 24 20:59:55 f9 snmpd[4517]: >> stack overflow >> >>>> > > > detected; terminated >> >>>> > > > Aug 24 20:59:56 f9 kernel: pid 4517 (bsnmpd), uid 0: exited o= n >> signal 6 >> >>>> > > > (core dumped) >> >>>> > > > f9# head -1 /etc/snmpd.config >> >>>> > > > # $FreeBSD: release/9.1.0/etc/snmpd.config 216595 2010-12-20 >> 17:28:15Z >> >>>> > > > syrinx $ >> >>>> > > > f9# >> >>>> > > > >> >>>> > > > What can I do to resolve it? >> >>>> > > > >> >>>> > > > -- >> >>>> > > > http://alexus.org/ >> >>>> > > > _______________________________________________ >> >>>> > > > freebsd-questions@freebsd.org mailing list >> >>>> > > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> >>>> > > > To unsubscribe, send any mail to " >> >>>> > > > freebsd-questions-unsubscribe@freebsd.org" >> >>>> > > > >> >>>> > > >> >>>> > > >> >>>> > > >> >>>> > > -- >> >>>> > > James Gosnell, ACP >> >>>> > > _______________________________________________ >> >>>> > > freebsd-questions@freebsd.org mailing list >> >>>> > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> >>>> > > To unsubscribe, send any mail to " >> >>>> > > freebsd-questions-unsubscribe@freebsd.org" >> >>>> > > >> >>>> > >> >>>> > >> >>>> > >> >>>> > -- >> >>>> > http://alexus.org/ >> >>>> > _______________________________________________ >> >>>> > freebsd-questions@freebsd.org mailing list >> >>>> > http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> >>>> > To unsubscribe, send any mail to " >> freebsd-questions-unsubscribe@freebsd.org" >> >>> >> >>> >> >>> >> >>> >> >>> -- >> >>> http://alexus.org/ >> >> >> >> >> > >> > >> > >> > -- >> > http://alexus.org/ >> > > > > -- > http://alexus.org/ >