Many thanks for the pcap.  I'll take a look and see what I can find....


On 2014 Oct 02 (Thu) at 18:18:08 +0200 (+0200), Remi Locherer wrote:
:On Tue, Sep 23, 2014 at 06:34:50PM -0500, [email protected] wrote:
:> >Synopsis:   bgpd(8) dies when accepting phessler's spam feed
:> >Category:   user
:> >Environment:
:>      System      : OpenBSD 5.5
:>      Details     : OpenBSD 5.5 (GENERIC) #0: Fri Apr 25 13:07:59 CEST 2014
:>                       
[email protected]:/binpatchng/work-binpatch55-amd64/src/sys/arch/amd64/compile/GENERIC
:
:Today bgpd also failed on my 5.5 i386 box.
:
:From /var/log/damon:
:Oct  2 14:08:07 typhoon bgpd[7906]: neighbor 64.142.121.62: state change 
Connect -> Active, reason: Connection open failed
:Oct  2 14:10:07 typhoon bgpd[7906]: neighbor 64.142.121.62: state change 
Connect -> OpenSent, reason: Connection opened
:Oct  2 14:10:07 typhoon bgpd[7906]: neighbor 64.142.121.62: graceful restart 
of IPv4 unicast, not restarted, flushing
:Oct  2 14:10:07 typhoon bgpd[7906]: neighbor 64.142.121.62: state change 
OpenSent -> OpenConfirm, reason: OPEN message received
:Oct  2 14:10:07 typhoon bgpd[7906]: neighbor 64.142.121.62: state change 
OpenConfirm -> Established, reason: KEEPALIVE message received
:Oct  2 14:10:07 typhoon bgpd[11293]: fatal in RDE: peer_up: bad state Oct  2 
14:10:07 typhoon bgpd[3779]: Lost child: route decision engine exited
:Oct  2 14:10:07 typhoon bgpd[7906]: fatal in SE: session_dispatch_imsg: pipe 
closed
:Oct  2 14:10:07 typhoon bgpd[3779]: Terminating
:X-Spam-Status: No, hits=0.000000 required=0.900000
:
:
:The config:
:spamdAS="65066"
:
:AS 65371
:fib-update no    # Mandatory, to not update the local routing table
:
:group "spamd-bgp" {
:        remote-as $spamdAS
:        multihop 64
:        announce none   # Do not send Route Server any information
:
:        # rs.bgp-spamd.net
:        neighbor 64.142.121.62
:}
:
:# 'match' is required, to remove entries when routes are withdrawn
:match from group spamd-bgp community $spamdAS:42  set pftable 
"bgp-spamd-bypass"
:
:
:I was capturing the bgp traffic. The pcap file can be downloaded here:
:https://relo.ch/bgp.pcap.gz
:
:
:OpenBSD 5.5 (GENERIC) #0: Fri Apr 25 15:04:32 CEST 2014
:    
[email protected]:/binpatchng/work-binpatch55-i386/src/sys/arch/i386/compile/GENERIC
:cpu0: AMD Athlon(tm) 64 Processor 3700+ ("AuthenticAMD" 686-class, 1024KB L2 
cache) 2.20 GHz
:cpu0: 
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,SSE3,LAHF
:real mem  = 2145873920 (2046MB)
:avail mem = 2098520064 (2001MB)
:mainbus0 at root
:bios0 at mainbus0: AT/286+ BIOS, date 10/12/06, BIOS32 rev. 0 @ 0xfb020, 
SMBIOS rev. 2.3 @ 0xf0000 (36 entries)
:bios0: vendor Phoenix Technologies, LTD version "V3.6" date 10/12/2006
:bios0: MICRO-STAR INTERNATIONAL CO., LTD MS-7094
:acpi0 at bios0: rev 0
:acpi0: sleep states S0 S1 S4 S5
:acpi0: tables DSDT FACP SRAT APIC
:acpi0: wakeup devices PCI0(S5) USB0(S1) USB1(S1) USB2(S1) USB3(S1) USB4(S1) 
USB5(S1) USB6(S1) USB7(S1) LAN0(S5) AC97(S5) UAR1(S5)
:acpitimer0 at acpi0: 3579545 Hz, 24 bits
:acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
:cpu0 at mainbus0: apid 0 (boot processor)
:mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
:cpu0: apic clock running at 199MHz
:ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 3, 24 pins
:acpiprt0 at acpi0: bus 0 (PCI0)
:acpicpu0 at acpi0
:acpibtn0 at acpi0: PWRB
:bios0: ROM list: 0xc0000/0xa800 0xcc000/0x1000 0xcd000/0x4c00!
:cpu0: Cool'n'Quiet K8 2200 MHz: speeds: 2200 2000 1800 1000 MHz
:pci0 at mainbus0 bus 0: configuration mode 1 (bios)
:pchb0 at pci0 dev 0 function 0 "VIA K8HTB Host" rev 0x00
:agp at pchb0 not configured
:pchb1 at pci0 dev 0 function 1 "VIA K8HTB Host" rev 0x00
:pchb2 at pci0 dev 0 function 2 "VIA K8HTB Host" rev 0x00
:pchb3 at pci0 dev 0 function 3 "VIA K8HTB Host" rev 0x00
:pchb4 at pci0 dev 0 function 4 "VIA K8HTB Host" rev 0x00
:pchb5 at pci0 dev 0 function 7 "VIA K8HTB Host" rev 0x00
:ppb0 at pci0 dev 1 function 0 "VIA K8HTB AGP" rev 0x00
:pci1 at ppb0 bus 1
:vga1 at pci1 dev 0 function 0 "ATI Rage Fury" rev 0x00
:wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
:wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
:rl0 at pci0 dev 9 function 0 "Realtek 8139" rev 0x10: apic 2 int 17, address 
00:e0:4c:c2:69:7c
:rlphy0 at rl0 phy 0: RTL internal PHY
:pciide0 at pci0 dev 15 function 0 "VIA VT6420 SATA" rev 0x80: DMA
:pciide0: using apic 2 int 20 for native-PCI interrupt
:wd0 at pciide0 channel 0 drive 0: <SAMSUNG HD321KJ>
:wd0: 16-sector PIO, LBA48, 305245MB, 625142448 sectors
:wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 6
:wd1 at pciide0 channel 1 drive 0: <SAMSUNG HD321KJ>
:wd1: 16-sector PIO, LBA48, 305245MB, 625142448 sectors
:wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 6
:pciide1 at pci0 dev 15 function 1 "VIA VT82C571 IDE" rev 0x06: ATA133, channel 
0 configured to compatibility, channel 1 configured to compatibility
:pciide1: channel 0 disabled (no drives)
:pciide1: channel 1 disabled (no drives)
:uhci0 at pci0 dev 16 function 0 "VIA VT83C572 USB" rev 0x81: apic 2 int 21
:uhci1 at pci0 dev 16 function 1 "VIA VT83C572 USB" rev 0x81: apic 2 int 21
:uhci2 at pci0 dev 16 function 2 "VIA VT83C572 USB" rev 0x81: apic 2 int 21
:uhci3 at pci0 dev 16 function 3 "VIA VT83C572 USB" rev 0x81: apic 2 int 21
:ehci0 at pci0 dev 16 function 4 "VIA VT6202 USB" rev 0x86: apic 2 int 21
:usb0 at ehci0: USB revision 2.0
:uhub0 at usb0 "VIA EHCI root hub" rev 2.00/1.00 addr 1
:viapm0 at pci0 dev 17 function 0 "VIA VT8237 ISA" rev 0x00: SMI
:iic0 at viapm0
:iic0: addr 0x2f 00=02 01=0f 02=00 03=01 04=07 05=00 06=18 07=00 08=00 14=14 
15=62 16=02 17=05 words 00=02ff 01=0fff 02=00ff 03=01ff 04=07ff 05=00ff 06=18ff 
07=00ff
:spdmem0 at iic0 addr 0x50: 1GB DDR SDRAM non-parity PC3200CL3.0
:spdmem1 at iic0 addr 0x51: 1GB DDR SDRAM non-parity PC3200CL3.0
:pchb6 at pci0 dev 24 function 0 "AMD AMD64 0Fh HyperTransport" rev 0x00
:pchb7 at pci0 dev 24 function 1 "AMD AMD64 0Fh Address Map" rev 0x00
:pchb8 at pci0 dev 24 function 2 "AMD AMD64 0Fh DRAM Cfg" rev 0x00
:kate0 at pci0 dev 24 function 3 "AMD AMD64 0Fh Misc Cfg" rev 0x00
:usb1 at uhci0: USB revision 1.0
:uhub1 at usb1 "VIA UHCI root hub" rev 1.00/1.00 addr 1
:usb2 at uhci1: USB revision 1.0
:uhub2 at usb2 "VIA UHCI root hub" rev 1.00/1.00 addr 1
:usb3 at uhci2: USB revision 1.0
:uhub3 at usb3 "VIA UHCI root hub" rev 1.00/1.00 addr 1
:usb4 at uhci3: USB revision 1.0
:uhub4 at usb4 "VIA UHCI root hub" rev 1.00/1.00 addr 1
:isa0 at mainbus0
:isadma0 at isa0
:com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
:com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
:pckbc0 at isa0 port 0x60/5
:pckbd0 at pckbc0 (kbd slot)
:pckbc0: using irq 1 for kbd slot
:wskbd0 at pckbd0: console keyboard, using wsdisplay0
:pcppi0 at isa0 port 0x61
:spkr0 at pcppi0
:lpt0 at isa0 port 0x378/4 irq 7
:wbsio0 at isa0 port 0x2e/2: W83627THF rev 0x83
:lm1 at wbsio0 port 0x290/8: W83627THF
:npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
:fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
:vscsi0 at root
:scsibus0 at vscsi0: 256 targets
:softraid0 at root
:scsibus1 at softraid0: 256 targets
:sd0 at scsibus1 targ 1 lun 0: <OPENBSD, SR RAID 1, 005> SCSI2 0/direct fixed
:sd0: 301140MB, 512 bytes/sector, 616734822 sectors
:root on wd0a (2d9dcffe56f336a5.a) swap on wd0b dump on wd0b
:

-- 
Paranoia is simply an optimistic outlook on life.

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