On Tue, Jul 15, 2014 at 8:42 PM, Alexander V. Chernikov
<[email protected]> wrote:
On 15.07.2014 14:36, chk wrote:
Hi, everyone,
Help....
I have a tincd vpn running in freebsd box FreeBSD 10.0-RELEASE-p2 #0 r265318M.
below is ifconfig outut:
[chk@NUC ~]$ ifconfig
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
ether ec:a8:6b:f3:76:6a
inet 192.168.2.202 netmask 0xffffff00 broadcast 255.255.255.255
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
inet 127.0.0.1 netmask 0xff000000
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
run0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
ether c8:3a:35:c0:b8:2f
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
status: associated
em0.3: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=103<RXCSUM,TXCSUM,TSO4>
ether ec:a8:6b:f3:76:6a
inet 192.168.3.1 netmask 0xffffff00 broadcast 255.255.255.0
inet6 fe80::eea8:6bff:fef3:766a%em0.3 prefixlen 64 scopeid 0x4
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vlan: 3 parent interface: em0
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether c8:3a:35:c0:b8:2f
inet 192.168.30.222 netmask 0xffffff00 broadcast 255.255.255.0
inet6 fe80::ca3a:35ff:fec0:b82f%wlan0 prefixlen 64 scopeid 0x5
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier
ssid "" channel 10 (2457 MHz 11g)
country US authmode WPA1+WPA2/802.11i privacy MIXED deftxkey UNDEF
txpower 0 bmiss 7 scanvalid 60 protmode CTS wme roaming MANUAL
tun0: flags=8043<UP,BROADCAST,RUNNING,MULTICAST> metric 0 mtu 1500
options=80000<LINKSTATE>
inet 192.168.30.254 netmask 0xffffff00 broadcast 192.168.30.255
inet6 fe80::eea8:6bff:fef3:766a%tun0 prefixlen 64 scopeid 0x6
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
Opened by PID 1015
=========================
Convenient for connect to vpn, I add a pppoe_server to mpd5, but when client
dialing up, kernel panic.
Is it reproducible?
Can you issue "route -n monitor" and share its output before the panic?
Yes, after several times of re dail up, kernel panic
route -n monitor print as below:
[root@NUC /usr/home/chk]# route -n monitor
got message of size 24 on Wed Jul 16 01:15:28 2014
RTM_IEEE80211: IEEE 802.11 wireless event: len 24, pid: 0, seq
6881280, errno 0,
flags:<UP,MODIFIED,DONE,XRESOLVE,LLINFO,STATIC,PROTO2,PINNED,LOCAL>
locks: inits:
got message of size 24 on Wed Jul 16 01:15:34 2014
RTM_IEEE80211: IEEE 802.11 wireless event: len 24, pid: 0, seq
6881280, errno 0,
flags:<UP,MODIFIED,DONE,XRESOLVE,LLINFO,STATIC,PROTO2,PINNED,LOCAL>
locks: inits:
got message of size 24 on Wed Jul 16 01:15:41 2014
RTM_IEEE80211: IEEE 802.11 wireless event: len 24, pid: 0, seq
6881280, errno 0,
flags:<UP,MODIFIED,DONE,XRESOLVE,LLINFO,STATIC,PROTO2,PINNED,LOCAL>
locks: inits:
got message of size 24 on Wed Jul 16 01:15:46 2014
RTM_IFANNOUNCE: interface arrival/departure: len 24, if# 7, what: arrival
got message of size 168 on Wed Jul 16 01:15:46 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<PTP,NOARP,SIMPLEX,MULTICAST>
got message of size 184 on Wed Jul 16 01:15:46 2014
RTM_DELETE: Delete Route: len 184, pid: 0, seq 0, errno 0,
flags:<UP,GATEWAY,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
0.0.0.0 (0) (0)
got message of size 100 on Wed Jul 16 01:15:46 2014
RTM_DELADDR: address being removed from iface: len 100, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
0.0.0.0 ng0 (0) (0)
got message of size 184 on Wed Jul 16 01:15:46 2014
RTM_DELETE: Delete Route: len 184, pid: 0, seq 0, errno 0,
flags:<UP,GATEWAY,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
0.0.0.0 (0) (0)
got message of size 108 on Wed Jul 16 01:15:46 2014
RTM_DELADDR: address being removed from iface: len 108, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
255.255.255.255 ng0 (0) (0)
got message of size 116 on Wed Jul 16 01:15:46 2014
RTM_NEWADDR: address being added to iface: len 116, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
255.255.255.255 ng0 192.168.40.1 192.168.41.50
got message of size 224 on Wed Jul 16 01:15:46 2014
RTM_ADD: Add Route: len 224, pid: 0, seq 0, errno 0, flags:<UP,HOST,PINNED>
locks: inits:
sockaddrs: <DST,GATEWAY>
192.168.41.50 link#7
got message of size 148 on Wed Jul 16 01:15:46 2014
RTM_NEWADDR: address being added to iface: len 148, metric 0, flags:<HOST>
sockaddrs: <NETMASK,IFP,IFA,BRD>
ffff:ffff:ffff:ffff:: ng0 fe80::eea8:6bff:fef3:766a%ng0 (0)
got message of size 272 on Wed Jul 16 01:15:46 2014
RTM_ADD: Add Route: len 272, pid: 0, seq 0, errno 0, flags:<UP,HOST,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
fe80::eea8:6bff:fef3:766a%ng0 0.0.0.0.0.0 ffff:ffff:ffff:ffff::
got message of size 104 on Wed Jul 16 01:15:46 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::1:fff3:766a%ng0
got message of size 104 on Wed Jul 16 01:15:46 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::1%ng0
got message of size 104 on Wed Jul 16 01:15:46 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::2:ffd7:6760%ng0
got message of size 104 on Wed Jul 16 01:15:46 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::2:d767:6055%ng0
got message of size 104 on Wed Jul 16 01:15:46 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff01::1%ng0
got message of size 344 on Wed Jul 16 01:15:46 2014
RTM_ADD: Add Route: len 344, pid: 0, seq 0, errno 0, flags:<UP,DONE>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK,IFP,IFA>
fe80::%ng0 link#7 (255) ffff ffff ffff ffff ffff ffff ffff ng0
fe80::eea8:6bff:fef3:766a%ng0
got message of size 168 on Wed Jul 16 01:15:46 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<UP,PTP,RUNNING,NOARP,SIMPLEX,MULTICAST>
got message of size 168 on Wed Jul 16 01:15:46 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<PTP,RUNNING,NOARP,SIMPLEX,MULTICAST>
got message of size 272 on Wed Jul 16 01:15:46 2014
RTM_DELETE: Delete Route: len 272, pid: 0, seq 0, errno 0, flags:<HOST,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
fe80::eea8:6bff:fef3:766a%7 link#0 ffff:ffff:ffff:ffff::
got message of size 148 on Wed Jul 16 01:15:46 2014
RTM_DELADDR: address being removed from iface: len 148, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
ffff:ffff:ffff:ffff:: ng0 fe80::eea8:6bff:fef3:766a%7 (0)
got message of size 344 on Wed Jul 16 01:15:46 2014
RTM_DELETE: Delete Route: len 344, pid: 0, seq 0, errno 0, flags:<DONE>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK,IFP,IFA>
fe80::%7 link#7 (255) ffff ffff ffff ffff ffff ffff ffff ng0
fe80::eea8:6bff:fef3:766a%7
got message of size 24 on Wed Jul 16 01:15:46 2014
RTM_IFANNOUNCE: interface arrival/departure: len 24, if# 7, what: departure
got message of size 24 on Wed Jul 16 01:15:48 2014
RTM_IEEE80211: IEEE 802.11 wireless event: len 24, pid: 0, seq
6881280, errno 0,
flags:<UP,MODIFIED,DONE,XRESOLVE,LLINFO,STATIC,PROTO2,PINNED,LOCAL>
locks: inits:
got message of size 24 on Wed Jul 16 01:15:54 2014
RTM_IEEE80211: IEEE 802.11 wireless event: len 24, pid: 0, seq
6881280, errno 0,
flags:<UP,MODIFIED,DONE,XRESOLVE,LLINFO,STATIC,PROTO2,PINNED,LOCAL>
locks: inits:
got message of size 24 on Wed Jul 16 01:15:55 2014
RTM_IFANNOUNCE: interface arrival/departure: len 24, if# 7, what: arrival
got message of size 168 on Wed Jul 16 01:15:55 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<PTP,NOARP,SIMPLEX,MULTICAST>
got message of size 184 on Wed Jul 16 01:15:55 2014
RTM_DELETE: Delete Route: len 184, pid: 0, seq 0, errno 0,
flags:<UP,GATEWAY,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
0.0.0.0 (0) (0)
got message of size 100 on Wed Jul 16 01:15:55 2014
RTM_DELADDR: address being removed from iface: len 100, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
0.0.0.0 ng0 (0) (0)
got message of size 184 on Wed Jul 16 01:15:55 2014
RTM_DELETE: Delete Route: len 184, pid: 0, seq 0, errno 0,
flags:<UP,GATEWAY,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
0.0.0.0 (0) (0)
got message of size 108 on Wed Jul 16 01:15:55 2014
RTM_DELADDR: address being removed from iface: len 108, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
255.255.255.255 ng0 (0) (0)
got message of size 116 on Wed Jul 16 01:15:55 2014
RTM_NEWADDR: address being added to iface: len 116, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
255.255.255.255 ng0 192.168.40.1 192.168.41.50
got message of size 224 on Wed Jul 16 01:15:55 2014
RTM_ADD: Add Route: len 224, pid: 0, seq 0, errno 0, flags:<UP,HOST,PINNED>
locks: inits:
sockaddrs: <DST,GATEWAY>
192.168.41.50 link#7
got message of size 148 on Wed Jul 16 01:15:55 2014
RTM_NEWADDR: address being added to iface: len 148, metric 0, flags:<HOST>
sockaddrs: <NETMASK,IFP,IFA,BRD>
ffff:ffff:ffff:ffff:: ng0 fe80::eea8:6bff:fef3:766a%ng0 (0)
got message of size 272 on Wed Jul 16 01:15:55 2014
RTM_ADD: Add Route: len 272, pid: 0, seq 0, errno 0, flags:<UP,HOST,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
fe80::eea8:6bff:fef3:766a%ng0 0.0.0.0.0.0 ffff:ffff:ffff:ffff::
got message of size 104 on Wed Jul 16 01:15:55 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::1:fff3:766a%ng0
got message of size 104 on Wed Jul 16 01:15:55 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::1%ng0
got message of size 104 on Wed Jul 16 01:15:55 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::2:ffd7:6760%ng0
got message of size 104 on Wed Jul 16 01:15:55 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::2:d767:6055%ng0
got message of size 104 on Wed Jul 16 01:15:55 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff01::1%ng0
got message of size 344 on Wed Jul 16 01:15:55 2014
RTM_ADD: Add Route: len 344, pid: 0, seq 0, errno 0, flags:<UP,DONE>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK,IFP,IFA>
fe80::%ng0 link#7 (255) ffff ffff ffff ffff ffff ffff ffff ng0
fe80::eea8:6bff:fef3:766a%ng0
got message of size 168 on Wed Jul 16 01:15:55 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<UP,PTP,RUNNING,NOARP,SIMPLEX,MULTICAST>
got message of size 168 on Wed Jul 16 01:15:55 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<PTP,RUNNING,NOARP,SIMPLEX,MULTICAST>
got message of size 272 on Wed Jul 16 01:15:55 2014
RTM_DELETE: Delete Route: len 272, pid: 0, seq 0, errno 0, flags:<HOST,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
fe80::eea8:6bff:fef3:766a%7 link#0 ffff:ffff:ffff:ffff::
got message of size 148 on Wed Jul 16 01:15:55 2014
RTM_DELADDR: address being removed from iface: len 148, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
ffff:ffff:ffff:ffff:: ng0 fe80::eea8:6bff:fef3:766a%7 (0)
got message of size 344 on Wed Jul 16 01:15:55 2014
RTM_DELETE: Delete Route: len 344, pid: 0, seq 0, errno 0, flags:<DONE>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK,IFP,IFA>
fe80::%7 link#7 (255) ffff ffff ffff ffff ffff ffff ffff ng0
fe80::eea8:6bff:fef3:766a%7
got message of size 24 on Wed Jul 16 01:15:55 2014
RTM_IFANNOUNCE: interface arrival/departure: len 24, if# 7, what: departure
got message of size 24 on Wed Jul 16 01:15:59 2014
RTM_IFANNOUNCE: interface arrival/departure: len 24, if# 7, what: arrival
got message of size 168 on Wed Jul 16 01:15:59 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<PTP,NOARP,SIMPLEX,MULTICAST>
got message of size 184 on Wed Jul 16 01:15:59 2014
RTM_DELETE: Delete Route: len 184, pid: 0, seq 0, errno 0,
flags:<UP,GATEWAY,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
0.0.0.0 (0) (0)
got message of size 100 on Wed Jul 16 01:15:59 2014
RTM_DELADDR: address being removed from iface: len 100, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
0.0.0.0 ng0 (0) (0)
got message of size 184 on Wed Jul 16 01:15:59 2014
RTM_DELETE: Delete Route: len 184, pid: 0, seq 0, errno 0,
flags:<UP,GATEWAY,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
0.0.0.0 (0) (0)
got message of size 108 on Wed Jul 16 01:15:59 2014
RTM_DELADDR: address being removed from iface: len 108, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
255.255.255.255 ng0 (0) (0)
got message of size 116 on Wed Jul 16 01:15:59 2014
RTM_NEWADDR: address being added to iface: len 116, metric 0, flags:
sockaddrs: <NETMASK,IFP,IFA,BRD>
255.255.255.255 ng0 192.168.40.1 192.168.41.50
got message of size 224 on Wed Jul 16 01:15:59 2014
RTM_ADD: Add Route: len 224, pid: 0, seq 0, errno 0, flags:<UP,HOST,PINNED>
locks: inits:
sockaddrs: <DST,GATEWAY>
192.168.41.50 link#7
got message of size 148 on Wed Jul 16 01:15:59 2014
RTM_NEWADDR: address being added to iface: len 148, metric 0, flags:<HOST>
sockaddrs: <NETMASK,IFP,IFA,BRD>
ffff:ffff:ffff:ffff:: ng0 fe80::eea8:6bff:fef3:766a%ng0 (0)
got message of size 272 on Wed Jul 16 01:15:59 2014
RTM_ADD: Add Route: len 272, pid: 0, seq 0, errno 0, flags:<UP,HOST,STATIC>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK>
fe80::eea8:6bff:fef3:766a%ng0 0.0.0.0.0.0 ffff:ffff:ffff:ffff::
got message of size 104 on Wed Jul 16 01:15:59 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::1:fff3:766a%ng0
got message of size 104 on Wed Jul 16 01:15:59 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::1%ng0
got message of size 104 on Wed Jul 16 01:15:59 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::2:ffd7:6760%ng0
got message of size 104 on Wed Jul 16 01:15:59 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff02::2:d767:6055%ng0
got message of size 104 on Wed Jul 16 01:15:59 2014
RTM_NEWMADDR: new multicast group membership on iface: len 104,
sockaddrs: <IFP,IFA>
ng0 ff01::1%ng0
got message of size 344 on Wed Jul 16 01:15:59 2014
RTM_ADD: Add Route: len 344, pid: 0, seq 0, errno 0, flags:<UP,DONE>
locks: inits:
sockaddrs: <DST,GATEWAY,NETMASK,IFP,IFA>
fe80::%ng0 link#7 (255) ffff ffff ffff ffff ffff ffff ffff ng0
fe80::eea8:6bff:fef3:766a%ng0
got message of size 168 on Wed Jul 16 01:15:59 2014
RTM_IFINFO: iface status change: len 168, if# 7, link: unknown,
flags:<UP,PTP,RUNNING,NOARP,SIMPLEX,MULTICAST>
here is information of core dump:
[root@NUC /var/log]# kgdb -c ../crash/vmcore.1 /boot/kernel/kernel
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"...
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x0
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff8098ae09
stack pointer = 0x28:0xfffffe0234584660
frame pointer = 0x28:0xfffffe02345846f0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 780 (wpa_supplicant)
trap number = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff808f5910 at kdb_backtrace+0x60
#1 0xffffffff808bd3f5 at panic+0x155
#2 0xffffffff80c9c1e2 at trap_fatal+0x3a2
#3 0xffffffff80c9c4b9 at trap_pfault+0x2c9
#4 0xffffffff80c9bc46 at trap+0x5e6
#5 0xffffffff80c82ee2 at calltrap+0x8
#6 0xffffffff809852f0 at rn_walktree+0x70
#7 0xffffffff8098a470 at sysctl_rtsock+0x1a0
#8 0xffffffff808c894f at sysctl_root+0x24f
#9 0xffffffff808c8f08 at userland_sysctl+0x1d8
#10 0xffffffff808c8cf4 at sys___sysctl+0x74
#11 0xffffffff80c9cad7 at amd64_syscall+0x357
#12 0xffffffff80c831cb at Xfast_syscall+0xfb
Uptime: 10m24s
(ada0:ahcich0:0:0:0): STANDBY_IMMEDIATE. ACB: e0 00 00 00 00 40 00 00 00 00 00
00
(ada0:ahcich0:0:0:0): CAM status: CCB request is in progress
(ada0:ahcich0:0:0:0): Error 5, Retries exhausted
(ada0:ahcich0:0:0:0): Spin-down disk failed
Dumping 439 out of 8067 MB:..4%..11%..22%..33%..41%..51%..62%..73%..81%..92%
(kgdb) f 7
#7 0xffffffff8098ae09 in sysctl_dumpentry (rn=0xfffff800110eae10,
vw=0xfffffe0234584748)
at /usr/src/sys/net/rtsock.c:1592
1592 info.rti_info[RTAX_IFP] = rt->rt_ifp->if_addr->ifa_addr;
Current language: auto; currently minimal
(kgdb) l
1587 info.rti_info[RTAX_DST] = rt_key(rt);
1588 info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
1589 info.rti_info[RTAX_NETMASK] = rt_mask(rt);
1590 info.rti_info[RTAX_GENMASK] = 0;
1591 if (rt->rt_ifp) {
1592 info.rti_info[RTAX_IFP] = rt->rt_ifp->if_addr->ifa_addr;
This one looks strange. There is a check on added routes that rt_ifp is not
NULL.
1593 info.rti_info[RTAX_IFA] = rt->rt_ifa->ifa_addr;
1594 if (rt->rt_ifp->if_flags & IFF_POINTOPOINT)
1595 info.rti_info[RTAX_BRD] =
rt->rt_ifa->ifa_dstaddr;
1596 }
(kgdb) i loc
info = {rti_addrs = 0, rti_info = {0xfffff80005dace00, 0xfffff80005dace10, 0x0,
0x0, 0x0, 0x0,
0x0, 0x0}, rti_flags = 0, rti_ifa = 0x0, rti_ifp = 0x0}
error = Cannot access memory at address 0x0
(kgdb) p *rt
No symbol "rt" in current context.
(kgdb) p rt
No symbol "rt" in current context.
(kgdb) p info
$1 = {rti_addrs = 0, rti_info = {0xfffff80005dace00, 0xfffff80005dace10, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0}, rti_flags = 0, rti_ifa = 0x0, rti_ifp = 0x0}
Can you decode which prefix it is?
e.g.
p (struct sockaddr_in *)info.rti_info[RTAX_DST]
(kgdb) p *(struct sockaddr_in *)info.rti_info[0]
$2 = {sin_len = 16 '\020', sin_family = 2 '\002', sin_port = 0,
sin_addr = {s_addr = 841590976},
sin_zero = "\000\000\000\000\000\000\000"}
