[Asterisk-Users] SIP calls cause Segmentation Fault

[Adam Donnison]

I actually found this same thing, and traced it down to
app_dial.c line 190.  It doesn't explicitly check for
a valid chan before trying to use it and it segfaults when
it does a strlen on a chan entity.  I simply put a check
in that winner was non-zero before comparing it to o->chan:

if (winner && winner == o->chan)

Adam

Dave Alan Caruana wrote:
> I have an asterisk installation at a client, it's quite simple.
> Basically it's an asterisk downloaded from CVS about
> a week ago, with 3 Zaptel FXO cards (the digium ones)
> and 10 Grandstream Budgettone SIP phones ...
> 
> Every now and then, especially when a call is ringing
> and not picked up immediately, Asterisk quits with
> a segmentation fault error. IT seems quite inexplicable,
> my dialplan is a modification of the sample one that
> came with Asterisk, and I haven't touched that many
> other conf files actually.
> 
> Any way I can get this debugged?
> 
> cheers
> Dave
> 
> 
> 
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-- 
Adam Donnison                                  email: adam at saki.com.au
Saki Computer Services Pty. Ltd.
93 Kallista-Emerald Road                        phone: +61 3 9752 1512
THE PATCH  VIC 3792    AUSTRALIA                fax:   +61 3 9752 1098