Hi, I used the plugin resided in `extras/vpp_sswan` on both 5.9.8 and 5.8.2 Strongswan versions. All functionalities are working great but after Child SAs are established, there's a constant memory growth in charon process( Reaching from 20MB RSS to 46MB RSS in 4 days, but this growth is visible from the beginning of establishment of SAs and is constant. Also I haven't tested it this issue exists with IKE SAs only with no Child SA). There are also no complaints From ASAN.
Interestingly, If `stat_segment_disconnect` is not called( and `stat_segment_connect` is called once) in `query_sa` function, The problem is solved and there is no memory growth. I tried protecting the process of querying SAs with mutex but it was no good. I would like to know if there is any specific reason behind this connecting/fetching stats/disconnecting pattern? Couldn't connect once then keep the connection? I've also checked and tested the `stat_client.c` code. It seems fine and there are no memory issues there. So any advice regarding where to lookup or which tools should be used to catch the root cause of this problem?
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