>Synopsis: SIGBUS in rtadvd
>Category: user
>Environment:
System : OpenBSD 6.4
Details : OpenBSD 6.4 (GENERIC.MP) #364: Thu Oct 11 13:30:23 MDT
2018
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
Architecture: OpenBSD.amd64
Machine : amd64
>Description:
Summary of fault:
# gdb --args rtadvd -d bge0
Program received signal SIGBUS, Bus error.
sock_cb (fd=Variable "fd" is not available.
) at /usr/src/usr.sbin/rtadvd/rtadvd.c:513
513 if ((iflist[pi->ipi6_ifindex]->ifm_flags & IFF_UP) == 0) {
More detail below:
/usr/src/usr.sbin/rtadvd$ doas gdb --args obj/rtadvd -d bge0
GNU gdb 6.3
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welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
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This GDB was configured as "amd64-unknown-openbsd6.4"...
(gdb) run
Starting program: /u/1/usr.obj/usr.sbin/rtadvd/rtadvd -d bge0
add 2406:3400:40f:bfa0::/64 to prefix list on bge0
RA timer on bge0 set to 16.0s
RS received from fe80::5642:49ff:fee3:5528 on bge0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 1
RA timer on bge0 set to 16.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 16.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 1, len = 216)
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 255.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 2, len = 216)
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 445.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
received a routing message (type = 1, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 528.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 2, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 531.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
received a routing message (type = 1, len = 216)
received a routing message (type = 2, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 1, len = 216)
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
received a routing message (type = 1, len = 216)
received a routing message (type = 2, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 1, len = 216)
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 315.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 2, len = 216)
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
received a routing message (type = 1, len = 216)
received a routing message (type = 2, len = 216)
received a routing message (type = 1, len = 216)
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 372.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 2, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 306.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
received a routing message (type = 2, len = 216)
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 395.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 569.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 254.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA timer on bge0 is expired
send RA on bge0, # of waitings = 0
RA timer on bge0 set to 444.0s
RA received from fe80::2895:c14f:fde3:e898 on bge0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::8a1d:fcff:fe68:3a00 on pppoe0
RA received from fe80::16cc:20ff:fe8e:902e on bge0
unknown ND option(type 7)
preferred lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 604800 from us
valid lifetime for 2406:3400:40f:bfa0::/64 inconsistent on bge0: 4294967295
from fe80::16cc:20ff:fe8e:902e, 2592000 from us
Program received signal SIGBUS, Bus error.
sock_cb (fd=Variable "fd" is not available.
) at /usr/src/usr.sbin/rtadvd/rtadvd.c:513
513 if ((iflist[pi->ipi6_ifindex]->ifm_flags & IFF_UP) == 0) {
Current language: auto; currently minimal
(gdb) p pi
$1 = (struct in6_pktinfo *) 0x14990b7073d0
(gdb) p iflist
$2 = (struct if_msghdr **) 0x14990b701e00
(gdb) p pi->ipi6_ifindex
$3 = 20
(gdb) p iflist[20]
$4 = (struct if_msghdr *) 0xdfdfdfdfdfdfdfdf
(gdb) The program is running. Exit anyway? (y or n) y
>How-To-Repeat:
Run 'rtadvd bge0' (eg from rcctl)
/etc/rtadvd.conf:
bge0:\
:dnssl="tst.adaptive-enterprises.com":\
:rdnss="2406:3400:40f:bfa0::3":
$ ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 32768
index 3 priority 0 llprio 3
groups: lo
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
inet 127.0.0.1 netmask 0xff000000
bge0:
flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu 1500
lladdr <xxxxxxxx>
index 1 priority 0 llprio 3
groups: ingress
media: Ethernet autoselect (1000baseT
full-duplex,rxpause,txpause)
status: active
inet <xxxxxxxx> netmask 0xffffff00 broadcast <xxxxxxxx>
inet6 fe80::2895:c14f:fde3:e898%bge0 prefixlen 64 scopeid
0x1
inet6 2406:3400:40f:bfa0::3 prefixlen 64
pppoe0:
flags=208951<UP,POINTOPOINT,RUNNING,PROMISC,SIMPLEX,MULTICAST,AUTOCONF6> mtu
1500
index 20 priority 0 llprio 3
dev: bge0 state: session
sid: <xxxx> PADI retries: 131 PADR retries: 0 time: 6d
08:50:43
sppp: phase network authproto pap
groups: pppoe egress
status: active
inet6 fe80::2895:c14f:fde3:e898%pppoe0 -> prefixlen 64
scopeid 0x14
inet <xxxxxxxx> --> <xxxxxxxx> netmask 0xffffffff
>Fix:
Unknown
