Ethereal-dev: Re: [Ethereal-dev] ethereal crash when set display filter

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From: didier <dgautheron@xxxxxxxx>
Date: Thu, 02 Mar 2006 14:37:49 +0000
Hi
Ming Zhang wrote:

Hi Ulf

Managed to cut the size. I found that this trace will not crash
the .10.12 from ubuntu linux, but will on svn code.
It's a bug in 10.12 or 10.14 iscsi dissector with at least 2 bugs in ethereal. :) 
Look at frame 29 with 10.14 the desegmentation is weird.

Now in ethereal
in proto.c, proto_tree_add_protocol_format doesn't set the tvb if start != 0, ie it's not a new tvb_subset, so far so good but then: 
- in fvalue-tvbuff.c functions don't check for a null tvb.
- why it doesn't do the same if proto_add_item is used rather than proto_tree_add_protocol_format? 

Didier



bugzilla need login, i donot have that account.

Create one.

Didier