Date: Wed, 4 Sep 2013 11:52:57 -0400 From: alexus <alexus@gmail.com> To: =?UTF-8?Q?Fernando_Apestegu=C3=ADa?= <fernando.apesteguia@gmail.com> Cc: User Questions <freebsd-questions@freebsd.org>, James Gosnell <jamesgosnell@gmail.com> Subject: Re: f9 snmpd[4517]: stack overflow detected; terminated Message-ID: <CAJxePNLUGDi_K%2B9FczAooK5y-sYBB-gkwSkRtCv33p-m2BjUew@mail.gmail.com> In-Reply-To: <CAGwOe2apznPDZoAbFRb6VfoVyzExw26i1AowZLVbDZFQNrCUew@mail.gmail.com> References: <CAJxePN%2BTKu7VS2p2odo7iMce61hA5GgLC5TBp4O=Th9pR428AQ@mail.gmail.com> <CAEhBLvj25v%2BxWzNLCNPmmKd3V92v%2BWm%2BySJ-gL3VoT%2BDCwwoPA@mail.gmail.com> <CAJxePNJXr2Ln=mv=DHN6RWCGpL0w_QGjneeuB-SS6otE56ts2g@mail.gmail.com> <CAGwOe2b9LDtScpm7U0w3cfGR%2B80Exf-SNX%2BqFKu3CzsHWUYfiA@mail.gmail.com> <CAJxePNKfwN1_1Q1a_F_XL=NSuOoMHEktn%2BK-qxiP-42DHBaJjw@mail.gmail.com> <CAGwOe2bydwQZEObudtZwrOQ3vO=EYHjhw4VaD3G-bDxC_72wiQ@mail.gmail.com> <CAJxePN%2BHKHYeQ%2Bkj-4tvXui-ZrS1SEOe9A0MTV72818hL7ejTQ@mail.gmail.com> <CAGwOe2a83py3Sx9j_6wB4dkz0882NB%2BppZfN5VNwk2_0pfn=5g@mail.gmail.com> <CAJxePNLhgYCLaCR3mNEaTr2%2Bwmrs=cW6FyUokwxSXh_G%2BT5z3g@mail.gmail.com> <CAGwOe2agZGai4ftCg1Ywsw9ceG%2Bryd4074A3R7MG0sMdk7qz0g@mail.gmail.com> <CAJxePNKGBfJaprEYa=9Qy=hAohXJS9ZfG_0YvMoUk5%2B3W29qkA@mail.gmail.com> <CAGwOe2apznPDZoAbFRb6VfoVyzExw26i1AowZLVbDZFQNrCUew@mail.gmail.com>
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so mean while, I'm thinking adding something like this to cron as @daily, but I'm getting error( f9# service bsnmpd status ; if [ $? !=3D 0 ] ; then service bsnmpd start ; = fi bsnmpd is running as pid 4269. if: Expression Syntax. then: Command not found. fi: Command not found. f9# On Tue, Sep 3, 2013 at 4:41 PM, Fernando Apestegu=C3=ADa < fernando.apesteguia@gmail.com> wrote: > > El 03/09/2013 21:47, "alexus" <alexus@gmail.com> escribi=C3=B3: > > > > > I use bsnmpd w/ mrtg (have been for very long time and everything was > ok, till recently), mrtg just monitors interface(s) as it always did, > nothing special.. > > > > any ideas how to solve it though? > > I'm really sorry. I don't use SNMP. > I would try to configure snmpd to be as verbose as possible and see if it > can log something interesting before it crashes. > > Maybe someone who uses it can step in and help you to debug the problem. > > > > > > > On Tue, Sep 3, 2013 at 3:40 PM, Fernando Apestegu=C3=ADa < > fernando.apesteguia@gmail.com> wrote: > >> > >> > >> > >> > >> On Tue, Sep 3, 2013 at 9:22 PM, alexus <alexus@gmail.com> 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 an= d > somehow, the snmp_input_finish() function is blowing up. > >> > >> > >> > >>> > >>> > >>> > >>> > >>> On Tue, Sep 3, 2013 at 3:18 PM, Fernando Apestegu=C3=ADa < > fernando.apesteguia@gmail.com> wrote: > >>>> > >>>> > >>>> El 03/09/2013 21:11, "alexus" <alexus@gmail.com> escribi=C3=B3: > >>>> > >>>> > >>>> > > >>>> > 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 > light. > >>>> > >>>> > > >>>> > > >>>> > > >>>> > On Tue, Sep 3, 2013 at 3:08 PM, Fernando Apestegu=C3=ADa < > fernando.apesteguia@gmail.com> wrote: > >>>> >> > >>>> >> > >>>> >> > >>>> >> > >>>> >> On Tue, Sep 3, 2013 at 9:04 PM, alexus <alexus@gmail.com> 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=C3=ADa < > fernando.apesteguia@gmail.com> wrote: > >>>> >>>> > >>>> >>>> > >>>> >>>> El 27/08/2013 05:03, "alexus" <alexus@gmail.com> escribi=C3=B3: > >>>> >>>> > >>>> >>>> > >>>> >>>> > > >>>> >>>> > 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= " > for 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 > symbols > >>>> >>>> > found)...done. > >>>> >>>> > Loaded symbols for /usr/lib/libbsnmp.so.6 > >>>> >>>> > Reading symbols from /usr/lib/libwrap.so.6...(no debugging > symbols > >>>> >>>> > 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 > symbols > >>>> >>>> > 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 <alexus@gmail.com> > 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 on 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/ > >> > >> > > > > > > > > -- > > http://alexus.org/ > --=20 http://alexus.org/
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