Wireshark mailing list archives

Re: Performance plug-in problem


From: Stephen Fisher <steve () stephen-fisher com>
Date: Thu, 26 Aug 2010 14:33:07 -0600

On Thu, Aug 26, 2010 at 1:54 PM, Guillaume PETIT
<guillaume1360 () gmail com> wrote:

To group my word, i define a array: tab[256][256] in which a class my word.
My plug-in is decoding properly my protocol on 1 frame.

Nevertheless, when I load a capture of 50Mbytes, Wireshark crash. I don't
understand why.

It's probably running out of memory because of the static 256 x 256
(64k) arrays that the dissector is using.  How about using dynamic
memory allocation (using the ep_ functions so the memory is
automatically freed after dissecting the current packet) and not
allocating more memory than is required at a time?
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