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Date:      Sat, 30 Sep 2000 01:17:27 +0200 (IST)
From:      Roman Shterenzon <roman@harmonic.co.il>
To:        freebsd-stable@freebsd.org
Cc:        obrien@freebsd.org
Subject:   Coredump in ppp(8)
Message-ID:  <970269447.39d52307e0502@webmail.harmonic.co.il>

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[-- Attachment #1 --]
Hi,
I've tried to connect my palm to 4.1.1-STABLE (built couple of days before)
and it dumped core.
I've already connected my palm to other 4.1-STABLE system back in mid-august.
The only options I'd were:
palm:
 set device /dev/cuaa1
 set speed 57600
 set ifaddr 10.0.0.1 10.0.0.3
 accept dns 
 enable proxy

then I write term in ppp and click on connect in palm.
I can't remember what was the setup on the laptop I used back in august,
but I think that it was the same or, really similar.
I can get more information from ppp(8) if you need, I built it with -g today.
I wonder what the bundle.66 is, it's missing debugging symbols.

--Roman Shterenzon, UNIX System Administrator and Consultant
[ Xpert UNIX Systems Ltd., Herzlia, Israel. Tel: +972-9-9522361 ]

[-- Attachment #2 --]
Script started on Fri Sep 29 17:46:05 2000
alchemy:/root# pppctl /var/run/pppctlzcat /var/log/ppp.log.0.gz | lesspppctl /var/run/pppctlgdb /usr/src/usr.sbin/ppp

ppp/      pppctl/   pppd/     pppstats/ 

alchemy:/root# gdb /usr/src/usr.sbin/ppp/ppp

ppp*      ppp.8     ppp.8.gz  

alchemy:/root# gdb /usr/src/usr.sbin/ppp/ppp ppp.core

GNU gdb 4.18
Copyright 1998 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 "i386-unknown-freebsd"...
Core was generated by `ppp'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/lib/libcrypt.so.2...done.
Reading symbols from /usr/lib/libmd.so.2...done.
Reading symbols from /usr/lib/libutil.so.3...done.
Reading symbols from /usr/lib/libz.so.2...done.
Reading symbols from /usr/lib/libalias.so.4...done.
Reading symbols from /usr/lib/libcrypto.so.1...done.
Reading symbols from /usr/lib/libradius.so.1...done.
Reading symbols from /usr/lib/libnetgraph.so.1...done.
Reading symbols from /usr/lib/libc.so.4...done.
Reading symbols from /usr/libexec/ld-elf.so.1...done.
#0  0x28225cee in memcpy () from /usr/lib/libc.so.4
(gdb) bt
#0  0x28225cee in memcpy () from /usr/lib/libc.so.4
#1  0x808e39c in bundle.66 ()
#2  0x805f251 in FsmRecvConfigNak (fp=0x74692065, lhp=0x20736d65, 
    bp=0x63206e69) at fsm.c:677
#3  0x68742065 in ?? ()
Cannot access memory at address 0x63616c70.
(gdb) up 1
#1  0x808e39c in bundle.66 ()
(gdb) up 2
#3  0x68742065 in ?? ()
(gdb) down
#2  0x805f251 in FsmRecvConfigNak (fp=0x74692065, lhp=0x20736d65, 
    bp=0x63206e69) at fsm.c:677
677	  (*fp->fn->DecodeConfig)(fp, MBUF_CTOP(bp), flen, MODE_NAK, &dec);
(gdb) list
672	
673	  bp = m_pullup(bp);
674	  dec.ackend = dec.ack;
675	  dec.nakend = dec.nak;
676	  dec.rejend = dec.rej;
677	  (*fp->fn->DecodeConfig)(fp, MBUF_CTOP(bp), flen, MODE_NAK, &dec);
678	  if (flen < sizeof(struct fsmconfig))
679	    log_Printf(fp->LogLevel, "  [EMPTY]\n");
680	
681	  switch (fp->state) {
(gdb) print dec
$1 = {
  ack = "\003\006\n\000\000\003\002\006Té¿¿Té¿¿\003\215\006\b\f\000\000\000Té¿¿\f\215\006\b\006\000\000\000\214è¿¿dé¿¿x%04\000\003\013\b\030#\b\b\234ã\b\b\016\205\036(\003\000\000\000Äè¿¿´è¿¿dé¿¿tun0: IPCP: %s: Recv", 
  ackend = 0xbfbfe83c "\003\006\n", 
  nak = "d) state = %s\n\000Z\000 ", '\000' <repeats 30 times>, "\004é¿¿7N\a\b\000\000\000\000\222$\b\b4é¿¿\027ä\005\b\003\000\000\000ì«\n\bôé¿¿E\213\006\b\a\000\000\000\003\000\000\000\004ê¿¿", nakend = 0xbfbfe8a4 "d) state = %s\n", 
  rej = "\000\003\201\006ÂZÄ\201\000-\003\001\201\006ÂZ\031\026\203\006ÂZ\001\005\221§$~efault HISADDR\n enable dns\n\npapchap:\n\n #\n # edit the next three lines an", rejend = 0x65722126 <Address 0x65722126 out of bounds>}
(gdb) quit
alchemy:/root# ^Dexit

Script done on Fri Sep 29 17:46:49 2000

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