[Bug 209475] pf didn't check if enough free RAM for net.pf.states_hashsize

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209475

--- Comment #14 from fehmi noyan isi <fnoyanisi at yahoo.com> ---
(In reply to Kristof Provost from comment #13)

>> I do see why, because it's non-trivial to cope with allocation failures in that part of the code. It gets called from a VNET_SYSINIT(), so it doesn't have a reasonable way of aborting the initialisation.

So, does this come down to supplying a default value and re-attempting malloc()
again?

>> As an aside, the allocations should probably be changed to use mallocarray() too
Yes, that might help to avoid this bug, but I do not think FreeBSD has
mallocarray()?

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