On Fri, 26 Mar 2010 19:24:46 -0700
Marcel Holtmann <mar...@holtmann.org> wrote:

> Hi Kristen,
> 
> > I started tested the PPP code and run into a simple crash when not
> > providing username and password. This should be possible.
> > 
> > Program terminated with signal 11, Segmentation fault.
> > #0  0x0000003457e7f2f2 in __strlen_sse2 () from /lib64/libc.so.6
> > (gdb) bt
> > #0  0x0000003457e7f2f2 in __strlen_sse2 () from /lib64/libc.so.6
> > #1  0x000000000040ca9b in chap_process_challenge (priv=0x15a6bf0, 
> > new_packet=0x15a5164 "\001\001")
> >     at gatchat/ppp_auth.c:86
> > #2  chap_process_packet (priv=0x15a6bf0, new_packet=0x15a5164 "\001\001") 
> > at gatchat/ppp_auth.c:143
> > #3  0x000000000040a66f in ppp_recv (channel=<value optimized out>, 
> > cond=<value optimized out>, data=0x15a6d50)
> >     at gatchat/ppp.c:205
> > #4  ppp_feed (channel=<value optimized out>, cond=<value optimized out>, 
> > data=0x15a6d50) at gatchat/ppp.c:286
> > #5  ppp_cb (channel=<value optimized out>, cond=<value optimized out>, 
> > data=0x15a6d50) at gatchat/ppp.c:340
> > #6  0x0000003598a3923e in g_main_context_dispatch () from 
> > /lib64/libglib-2.0.so.0
> > #7  0x0000003598a3cc28 in ?? () from /lib64/libglib-2.0.so.0
> > #8  0x0000003598a3d075 in g_main_loop_run () from /lib64/libglib-2.0.so.0
> > #9  0x0000000000403918 in main (argc=1, argv=0x7fff7b97eb28) at 
> > gatchat/gsmdial.c:624
> 
> your patches haven't fixed this yet.
> 
> Core was generated by `./gatchat/gsmdial -n /dev/ttyUSB0 -c 1 -a internet.com 
> -l -P'.
> Program terminated with signal 11, Segmentation fault.
> #0  __strlen_sse2 () at ../sysdeps/x86_64/strlen.S:31
> 31            pcmpeqb (%rdi), %xmm2
> (gdb) bt
> #0  __strlen_sse2 () at ../sysdeps/x86_64/strlen.S:31
> #1  0x000000000040d13b in chap_process_challenge (priv=0x211aba0, 
> new_packet=0x2119b7c "\001\001")
>     at gatchat/ppp_auth.c:86
> #2  chap_process_packet (priv=0x211aba0, new_packet=0x2119b7c "\001\001") at 
> gatchat/ppp_auth.c:143
> #3  0x000000000040a94e in ppp_recv (channel=<value optimized out>, 
> cond=<value optimized out>, data=0x211bab0)
>     at gatchat/ppp.c:210
> #4  ppp_feed (channel=<value optimized out>, cond=<value optimized out>, 
> data=0x211bab0) at gatchat/ppp.c:295
> #5  ppp_cb (channel=<value optimized out>, cond=<value optimized out>, 
> data=0x211bab0) at gatchat/ppp.c:347
> #6  0x0000003598a3923e in g_main_dispatch (context=0x2118160) at gmain.c:1960
> #7  IA__g_main_context_dispatch (context=0x2118160) at gmain.c:2513
> #8  0x0000003598a3cc28 in g_main_context_iterate (context=0x2118160, 
> block=<value optimized out>, 
>     dispatch=<value optimized out>, self=<value optimized out>) at 
> gmain.c:2591
> #9  0x0000003598a3d075 in IA__g_main_loop_run (loop=0x21183b0) at gmain.c:2799
> #10 0x0000000000403a25 in main (argc=1, argv=0x7fffa4947bf8) at 
> gatchat/gsmdial.c:679
> 
> Regards
> 
> Marcel

I notice that you finally applied my patch to allow the empty secrets.  
Are you still having a problem after applying that patch?
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