Ethereal-dev: Re: [Ethereal-dev] Crash after applying a filter

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From: Richard Sharpe <sharpe@xxxxxxxxxx>
Date: Thu, 25 Jan 2001 12:36:13 +1000
At 11:02 AM 1/24/01 -0500, Gilbert Ramirez wrote:
>On Wed, Jan 24, 2001 at 03:33:53PM +0100, andreas.sikkema@xxxxxxxxxxx wrote:
>> Hi
>> 
>> Ethereal 0.8.15 with my H.323 patch (on WIN32) crashes after applying a
filter:
>> 
>> format_text(const unsigned char * 0x008a5000, int 59052) line 175 + 3 bytes
>> dissect_transact2_smb(const unsigned char * 0x00891144, int 38353,
_frame_data * 0x010e1c98, _GNode * 0x010bfce0, _GNode * 0x010bfe0c,
smb_info {...}, int 35, int 58, int 0, int 0) line 9464 + 32 bytes
>
>The circle is now complete. It was a problem in the SMB dissector, only
>a few hundred lines above this one,  which provoked me into implementing
>tvbuffs (see
http://www.ethereal.com/lists/ethereal-dev/200004/msg00295.html ),
>but the SMB dissector is one of the last ones to be converted to tvbuffs
>because it is so big.

OK, I admit it, the SMB dissector needs some work.

In a couple of weeks I will be giving a Linux course in Brisbane (QLD, not
CA), and will look at overhauling the dissector.

Targets are:

1. More complete dissection
2. UNICODE support
3. tvbuffication
4. Filtering
...


>thanks,
>
>--gilbert
>
>
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>

Regards
-------
Richard Sharpe, sharpe@xxxxxxxxxx
Samba (Team member, www.samba.org), Ethereal (Team member, www.zing.org)
Contributing author, SAMS Teach Yourself Samba in 24 Hours
Author, Special Edition, Using Samba