Wireshark-dev: Re: [Wireshark-dev] Repeated crashes after update to GTK 2.12.0

From: Graham Bloice <graham.bloice@xxxxxxxxxxxxx>
Date: Mon, 01 Oct 2007 12:39:19 +0100

Peter Johansson wrote:
> After having updated the GTK version to 2.12.0 (using nmake -f
> makefile.nmake setup) I run into crashes when running Wireshark. I
> have rebuilt all the sources and the problem remains.
>  
> Unfortunately Wireshark does not crash every time, just sometimes. I
> have two scenarios:
> 1. Crashes occurr once Wireshark has been started and I press the
> "show capture options" button (but not every time).
> 2. Crashes occurr when capturing data and "Network name resolution" is
> enabled (but not every time, and not for all frames).
>  
> The two scenarios seem unrelated and at least scenario 2 *should* not
> be a result from the update to GTK 2.12.0.
> I have no other information regarding scenario 1.
> For scenario 2 however, it seems that host_name_lookup_process is
> passing *ans->rrs.str to add_ipv4_name when the correct information is
> actually stored in ans->rrs.bytes (note that this one should not be
> preceeded by "*").
>  
> When changing the call to add_ipv4_name to use ans->rrs.bytes as input
> instead of *ans->rrs.str, name resloution seems to work. But I cannot
> understand why it has worked before as I cannot find a change in the
> SVN repository that has changed this anytime recently (at least not
> since the renaming from Ethereal).
> Should add_ipv4_name be called with ans->rrs.bytes instead of
> *ans->rrs.str? The (missing) documentation for adns is a bit unclear
> on on when to use what from the ans->rrs union :-(
>  
> Has the adns version been bumped recently?
>  
> Has anyone else seen anything like this?
What compiler version?

If you're on Windows, and using a version of MSVC later than 6.0, have
you recompiled the adns library?  setup removes the old one.
-- 
Regards,

Graham Bloice