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Date:      Thu, 12 Nov 2020 19:12:07 +0300
From:      Yuri Pankov <ypankov@xsmail.com>
To:        Andrea Venturoli <ml@netfence.it>, freebsd-ports@freebsd.org, freebsd@gregv.net
Subject:   Re: Sudden trouble with net/rdesktop
Message-ID:  <0af296a2-2896-87ba-3f8e-de68276a3baf@xsmail.com>
In-Reply-To: <1420575d-2622-2063-3a2f-bb0591b9f71c@netfence.it>
References:  <1420575d-2622-2063-3a2f-bb0591b9f71c@netfence.it>

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Andrea Venturoli wrote:
> Hello.
> 
> After many year of happy usage, since yesterday rdesktop dumps core 
> (12.2/amd64).
> 
>> % rdesktop xxxxxx
>> Assertion failed: ((len * 2) < size), function _utils_data_to_hex, 
>> file utils.c, line 499.
>> Abort (core dumped)
> 
> This is systematic with 4 servers out of 5; the 5th still works 
> perfectly, but I have no idea in which way it might differ from the others.
> 
> I don't think this has anything to do with the upgrade to 1.9.0, since I 
> was able to use 1.9.0 for a while.
> 
> Anyone else seeing this?
> Where do I go and look?

I see a similar report on github:

https://github.com/rdesktop/rdesktop/issues/380

Could it be something that changed on remote side, e.g. any recent updates?

As a workaround, try increasing the buf size to e.g. 512 in 
utils.c:_utils_cert_get_info().



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