https://bugzilla.novell.com/show_bug.cgi?id=709127
https://bugzilla.novell.com/show_bug.cgi?id=709127#c0
Summary: VPN using PPTP giving segfaults and timeouts while
trying to connect.
Classification: openSUSE
Product: openSUSE 11.4
Version: Final
Platform: x86
OS/Version: openSUSE 11.4
Status: NEW
Severity: Major
Priority: P5 - None
Component: Network
AssignedTo: bnc-team-screening@forge.provo.novell.com
ReportedBy: divineghost@gmail.com
QAContact: qa@suse.de
Found By: ---
Blocker: ---
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/534.16
(KHTML, like Gecko) Chrome/10.0.648.204 Safari/534.16
Problem Description: Trying to connect to VPN using PPTP. This results in the
segfault, seen in the /var/log/messages. Note: This was for working initially
for a few days with on issues, one fine this issue was seen. There were no
changes to the conf / setting or update of any packages recently.
Versions:
pptp-1.7.2-31.1.i586
NetworkManager-pptp-lang-0.8.2-4.1.noarch
NetworkManager-pptp-kde4-0.9.svn1192577-7.2.i586
NetworkManager-pptp-0.8.2-4.1.i586
NetworkManager-pptp-gnome-0.8.2-4.1.i586
ppp-2.4.5-5.1.i586
Details of pptp settings /etc/ppp/peers/pptp.conf: (using OATH tokens / OPT)
nodetach
remotename XXXX
name XXXXXXXXXX
require-mppe-128
mppe-stateful
bsdcomp 9
deflate 9
refuse-chap
refuse-eap
refuse-mschap
refuse-pap
usepeerdns
defaultroute
Logs:
sudo tail -f /var/log/NetworkManager
Jul 25 17:39:32 linux NetworkManager[1400]: <info> Starting VPN service
'pptp'...
Jul 25 17:39:32 linux NetworkManager[1400]: <info> VPN service 'pptp' started
(org.freedesktop.NetworkManager.pptp), PID 9081
Jul 25 17:39:32 linux NetworkManager[1400]: <info> VPN service 'pptp' appeared;
activating connections
Jul 25 17:39:40 linux NetworkManager[1400]: <info> VPN plugin state changed: 3
Jul 25 17:39:40 linux NetworkManager[1400]: <info> VPN connection 'myVPN'
(Connect) reply received.
Jul 25 17:40:21 linux NetworkManager[1400]: <warn> VPN connection 'myVPN' (IP
Config Get) timeout exceeded.
Jul 25 17:40:21 linux NetworkManager[1400]: <info> Policy set 'xxxxxx' (wlan0)
as default for IPv4 routing and DNS.
Jul 25 17:40:27 linux NetworkManager[1400]: <info> VPN service 'pptp'
disappeared
Sometimes I also see:
Jul 26 09:08:48 linux NetworkManager[9741]: <info> Starting VPN service
'pptp'...
Jul 26 09:08:48 linux NetworkManager[9741]: <info> VPN service 'pptp' started
(org.freedesktop.NetworkManager.pptp), PID 10132
Jul 26 09:08:48 linux NetworkManager[9741]: <info> VPN service 'pptp' appeared;
activating connections
Jul 26 09:08:48 linux NetworkManager[9741]: <info> VPN plugin state changed: 1
Jul 26 09:09:01 linux NetworkManager[9741]: <info> VPN plugin state changed: 3
Jul 26 09:09:01 linux NetworkManager[9741]: <info> VPN connection 'hp_ch'
(Connect) reply received.
Jul 26 09:09:05 linux NetworkManager[9741]: <warn> VPN plugin failed: 1
Jul 26 09:09:05 NetworkManager[9741]: last message repeated 2 times
Jul 26 09:09:05 linux NetworkManager[9741]: <info> VPN plugin state changed: 6
Jul 26 09:09:05 linux NetworkManager[9741]: <info> VPN plugin state change
reason: 0
Jul 26 09:09:05 linux NetworkManager[9741]: <warn> error disconnecting VPN:
Could not process the request because no VPN connection was active.
Jul 26 09:09:05 linux NetworkManager[9741]: <info> Policy set 'Auto mywifi'
(wlan0) as default for IPv4 routing and DNS.
Jul 26 09:09:11 linux NetworkManager[9741]: <info> VPN service 'pptp'
disappeared
Tried the same thing using pppd command line (isolating networkmanager GUI):
sudo pppd call pptp.conf debug nodetach
using channel 12
Using interface ppp0
Connect: ppp0 <--> /dev/pts/5
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <auth eap> <pcomp>
<accomp> <callback CBCP> < 17 04 ca
8e>]
sent [LCP ConfRej id=0x1 <callback CBCP> < 17 04 ca 8e>]
rcvd [LCP ConfReq id=0x2 <auth eap> <pcomp>
<accomp> ]
sent [LCP ConfNak id=0x2 <auth chap MS-v2>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x3 <auth chap MS-v2>
<pcomp> <accomp> ]
sent [LCP ConfAck id=0x3 <auth chap MS-v2>
<pcomp> <accomp> ]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0xd2b06642]
rcvd [CHAP Challenge id=0x0 <bfc6bf4eea415ce8ce01d3b3e22ebd91>, name =
"G1W1647"]
sent [CHAP Response id=0x0
<f86c80ce3e653f0a72c3f9b478455fa00000000000000000d6bdf7ea85eb3c0acceb4b4581284aaa66cffb00ca40f7fd00>,
name = "xxxxxxxxxxx"]
rcvd [LCP EchoRep id=0x0 magic=0x78790abc]
Script /usr/sbin/pptp --debug --loglevel 1 my.vpn.gateway.net --nolaunchpppd
finished (pid 12468), status = 0x0
Modem hangup
Connection terminated.
dmesg output:
[10023.593491] pptpcm[11987]: segfault at c0db027c ip 0804c251 sp bfda4ce0
error 7 in pptp[8048000+e000]
[10043.591119] pptpcm[12005]: segfault at c0a6593c ip 0804c251 sp bfa5a3a0
error 7 in pptp[8048000+e000]
[10775.608960] pptpcm[12279]: segfault at c0c88c88 ip 0804c251 sp bfc7d6f0
error 7 in pptp[8048000+e000]
[11003.621178] pptpcm[12381]: segfault at c0cbd118 ip 0804c251 sp bfcb1b80
error 7 in pptp[8048000+e000]
Reproducible: Always
Steps to Reproduce:
1.Configure pptp ether through networkmanager or pppt.conf
2.connect with cmd -> "/usr/sbin/pptp --debug --loglevel 1 my.vpn.gateway.net
--nolaunchpppd"
3.check command output, dmesg output and /var/log/Networkingmanager for output
Actual Results:
sudo pppd call pptp.conf debug nodetach
using channel 12
Using interface ppp0
Connect: ppp0 <--> /dev/pts/5
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <auth eap> <pcomp>
<accomp> <callback CBCP> < 17 04 ca
8e>]
sent [LCP ConfRej id=0x1 <callback CBCP> < 17 04 ca 8e>]
rcvd [LCP ConfReq id=0x2 <auth eap> <pcomp>
<accomp> ]
sent [LCP ConfNak id=0x2 <auth chap MS-v2>]
sent [LCP ConfReq id=0x1 <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x3 <auth chap MS-v2>
<pcomp> <accomp> ]
sent [LCP ConfAck id=0x3 <auth chap MS-v2>
<pcomp> <accomp> ]
rcvd [LCP ConfAck id=0x1 <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0xd2b06642]
rcvd [CHAP Challenge id=0x0 <bfc6bf4eea415ce8ce01d3b3e22ebd91>, name =
"G1W1647"]
sent [CHAP Response id=0x0
<f86c80ce3e653f0a72c3f9b478455fa00000000000000000d6bdf7ea85eb3c0acceb4b4581284aaa66cffb00ca40f7fd00>,
name = "xxxxxxxxxxx"]
rcvd [LCP EchoRep id=0x0 magic=0x78790abc]
Script /usr/sbin/pptp --debug --loglevel 1 my.vpn.gateway.net --nolaunchpppd
finished (pid 12468), status = 0x0
Modem hangup
Connection terminated.
dmesg output:
[10023.593491] pptpcm[11987]: segfault at c0db027c ip 0804c251 sp bfda4ce0
error 7 in pptp[8048000+e000]
[10043.591119] pptpcm[12005]: segfault at c0a6593c ip 0804c251 sp bfa5a3a0
error 7 in pptp[8048000+e000]
[10775.608960] pptpcm[12279]: segfault at c0c88c88 ip 0804c251 sp bfc7d6f0
error 7 in pptp[8048000+e000]
[11003.621178] pptpcm[12381]: segfault at c0cbd118 ip 0804c251 sp bfcb1b80
error 7 in pptp[8048000+e000]
Expected Results:
Should be able to connect to VPN successfully
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