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Hi! Thanks for finding the memory leak and providing this fix... Do you have a reproducer and/or test that we could add to the CI to catch this class of issues in the future?

I was testing compiling the filter and deploying it, after some request you can clearly see that the memory starts to grow. Now checking If I can add a unit test, I've found several libraries that could be used for this mockalloc and allocation_counter, etc. Any suggestion?

Test added