[stunnel-users] Memory Leak in stunnel 5.31

MichaƂ Trojnara Michal.Trojnara at stunnel.org
Tue Apr 19 23:31:15 CEST 2016


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On 31.03.2016 22:28, Fritz Gschwendner wrote:
> we have a memory leak with stunnel 5.31 in server mode on Windows
> Server 2012. Page File Bytes of the stunnel process keep growing.
[cut]
> I suspect it has something to do with clients not closing the
> connection correctly. We have a lot of connections ending like
> this:
[cut]
> Is my suspicion plausible? Can you recommend a change in the 
> configuration to avoid this issue? Anything else I can do to
> debug?

Your suspicion looks plausible.  I have added a heuristic algorithm
that identifies excessive memory allocations.

Please try stunnel-5.32b2:
https://www.stunnel.org/downloads.html
The logged warnings should allow identification of the leak source.

Best regards,
	Mike
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