A lot of malloc implementations hold on to memory pages received from the kernel. #openbsd's #malloc is reasonably aggressive with unmapping pages that are unused, catching use-after-free bugs with segmentation violations.
bsd.network is a *BSD-themed Mastodon Instance. General use is encouraged, and everyone is welcome as long as you follow our code of conduct!
If you wish to donate, we are on Liberapay: Donate using