[strongSwan] Memory leak when routing internet traffic via VPN

[Martin Willi]

Hi,

> If I have "leftsubnet=172.30.0.0/16,0.0.0.0/0", the server leaks
> memory - available memory decreases steadily until all memory+swap
> are consumed and the server needs to be rebooted. No processes are
> using this memory - the sum of all shared + RSS is much lower than
> what htop reports as used, and nothing I can kill reclaims it.

Not sure if it is related, but have a look at the following discussion:

  https://lore.kernel.org/netdev/CAMnf+PjGq2qsZzg=+H5Z5kO+PSQbo=R0MHW5rv1CWrqoS=biqw@mail.gmail.com/

Kind regards
Martin