Liav A 9559682f5c Kernel: Disallow jail creation from a process within a jail ...

We now disallow jail creation from a process within a jail because there
is simply no valid use case to allow it, and we will probably not enable
this behavior (which is considered a bug) again.

Although there was no "real" security issue with this bug, as a process
would still be denied to join that jail, there's an information reveal
about the amount of jails that are or were present in the system.

2022-11-13 16:58:54 -07:00

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