Memleak with 0.0.20171221-5 on Debian stretch

Baptiste Jonglez baptiste at
Mon Feb 12 08:35:01 CET 2018

Hi Jason,

On 12-02-18, Jason A. Donenfeld wrote:
> Secondly, I'm wondering if you tend to do, "anything strange". For
> example -- are you setting up and taking down the device often in an
> automated way? Or reconfiguring the interface (via wg(8), for example)
> often in an automated way? Or is the sustained day-in-day-out workload
> that leads to this graph simply forwarding and encrypting/decrypting
> packets as usual? If it's the latter, does this device tend to encrypt
> or decrypt more, or both equally?

It's the latter "day-in-day-out" option: the system has a single wireguard
interface, which is configured once at boot-time, and then used
extensively to forward traffic.  It tends to encrypt more than it

> In either case, I'm not sure too much has changed between those version
> spans you gave, with regards to the general packet encryption/decryption
> path, so I suspect this bug will take some hunting to track down.
> Thanks again for the report. Let me know about the kernel version situation.
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