[Bug 7235] mppe driver needs 64bit love

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Sun Oct 2 16:00:26 UTC 2005


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------- Additional Comments From charpent at bacbuc.dyndns.org  2005-10-02 17:00 UTC -------
I can confirm that a similar bug exists in Breezy amd64 preview.
(BTW, the modules seems to be called kernel/drivers/net/ppp_mppe_mppc.ko now..)
Testing with a known-good configuration (my Linux pptp home server, already used
with Windows and Linux-IA 32, requiring both mschap-v2 authentication and mppe
encryption), I see that requesting either ms-chap-v2 authentication or mppe
encryption crashes the ppp connexion with a segfault. Here follows an extract of
the syslog 
Call :
pptp aleph debug noauth name pcp-pptp remotename aleph-pptp
Syslog :
Oct  2 17:31:51 localhost pptp[15693]: anon log[main:pptp.c:243]: The
synchronous pptp option is NOT activated
Oct  2 17:31:51 localhost pptp[15696]: anon log[ctrlp_rep:pptp_ctrl.c:243]: Sent
control packet type is 1 'Start-Control-Connection-Request'
Oct  2 17:31:51 localhost pptp[15696]: anon log[ctrlp_disp:pptp_ctrl.c:721]:
Received Start Control Connection Reply
Oct  2 17:31:51 localhost pptp[15696]: anon log[ctrlp_disp:pptp_ctrl.c:755]:
Client connection established.
Oct  2 17:31:52 localhost pptp[15696]: anon log[ctrlp_rep:pptp_ctrl.c:243]: Sent
control packet type is 7 'Outgoing-Call-Request'
Oct  2 17:31:52 localhost pptp[15696]: anon log[ctrlp_disp:pptp_ctrl.c:841]:
Received Outgoing Call Reply.
Oct  2 17:31:52 localhost pptp[15696]: anon log[ctrlp_disp:pptp_ctrl.c:880]:
Outgoing call established (call ID 0, peer's call ID 0).
Oct  2 17:31:52 localhost pppd[15697]: pppd 2.4.3 started by root, uid 0
Oct  2 17:31:52 localhost pppd[15697]: using channel 19
Oct  2 17:31:52 localhost pppd[15697]: Using interface ppp0
Oct  2 17:31:52 localhost pppd[15697]: Connect: ppp0 <--> /dev/pts/3
Oct  2 17:31:52 localhost pppd[15697]: sent [LCP ConfReq id=0x1 <asyncmap 0x0>
<magic 0xc3a5df3d> <pcomp> <accomp>]
#### So far so good ####
Oct  2 17:31:54 localhost pppd[15697]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0>
<auth chap MS-v2> <magic 0xdef20f0a> <pcomp> <accomp>]
Oct  2 17:31:54 localhost pppd[15697]: No auth is possible
#### Yayyy!!! ####
Oct  2 17:31:54 localhost pppd[15697]: sent [LCP ConfRej id=0x1 <auth chap MS-v2>]
Oct  2 17:31:54 localhost pppd[15697]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0>
<magic 0xc3a5df3d> <pcomp> <accomp>]
Oct  2 17:31:54 localhost pppd[15697]: rcvd [LCP ConfReq id=0x2 <asyncmap 0x0>
<magic 0xdef20f0a> <pcomp> <accomp>]
Oct  2 17:31:54 localhost pppd[15697]: sent [LCP ConfAck id=0x2 <asyncmap 0x0>
<magic 0xdef20f0a> <pcomp> <accomp>]
Oct  2 17:31:54 localhost pppd[15697]: sent [LCP EchoReq id=0x0 magic=0xc3a5df3d]
Oct  2 17:31:54 localhost pppd[15697]: sent [CCP ConfReq id=0x1 <deflate 15>
<deflate(old#) 15> <bsd v1 15>]
Oct  2 17:31:54 localhost pppd[15697]: sent [IPCP ConfReq id=0x1 <compress VJ 0f
01> <addr 0.0.0.0>]
Oct  2 17:31:54 localhost pppd[15697]: rcvd [LCP TermReq id=0x3 "peer refused to
authenticate"]
Oct  2 17:31:54 localhost pppd[15697]: LCP terminated by peer (peer refused to
authenticate)
Oct  2 17:31:54 localhost pppd[15697]: sent [LCP TermAck id=0x3]
Oct  2 17:31:54 localhost pptp[15696]: anon log[pptp_read_some:pptp_ctrl.c:525]:
read returned zero, peer has closed
Oct  2 17:31:54 localhost pptp[15696]: anon
log[call_callback:pptp_callmgr.c:77]: Closing connection
Oct  2 17:31:54 localhost kernel: [12612.617841] pptp[15696]: segfault at
00007fffffea3110 rip 0000000000405159 rsp 00007fffffe00a20 error 4
### Yayyy !!! again ... ####
Oct  2 17:31:57 localhost pppd[15697]: Connection terminated.
Oct  2 17:31:57 localhost pppd[15697]: using channel 20
Oct  2 17:31:57 localhost pppd[15697]: Using interface ppp0
Oct  2 17:31:57 localhost pppd[15697]: Connect: ppp0 <--> /dev/pts/3
Oct  2 17:31:57 localhost pppd[15697]: sent [LCP ConfReq id=0x2 <asyncmap 0x0>
<magic 0x4e62f721> <pcomp> <accomp>]
Oct  2 17:31:57 localhost pppd[15697]: sent [LCP TermReq id=0x3]
Oct  2 17:31:57 localhost pppd[15697]: tcflush failed: Bad file descriptor
Oct  2 17:31:57 localhost pptp[15709]: anon warn[decaps_gre:pptp_gre.c:324]:
short read (-1): Protocol not available
Oct  2 17:31:58 localhost pppd[15697]: Exit.

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