Date: Tue, 3 Sep 2013 21:40:01 +0200 From: =?ISO-8859-1?Q?Fernando_Apestegu=EDa?= <fernando.apesteguia@gmail.com> To: alexus <alexus@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: <CAGwOe2agZGai4ftCg1Ywsw9ceG%2Bryd4074A3R7MG0sMdk7qz0g@mail.gmail.com> In-Reply-To: <CAJxePNLhgYCLaCR3mNEaTr2%2Bwmrs=cW6FyUokwxSXh_G%2BT5z3g@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>
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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 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" <alexus@gmail.com> 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 <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=EDa < >> fernando.apesteguia@gmail.com> wrote: >> >>>> >> >>>> >> >>>> El 27/08/2013 05:03, "alexus" <alexus@gmail.com> 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 <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 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/ >
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