[PATCH v3] getrandom system call wrapper [BZ #17252]

[Zack Weinberg]

On Wed, Oct 12, 2016 at 11:58 AM, Florian Weimer <fweimer@redhat.com> wrote:
>>> Can the system call really block indefinitely, or only for a long time
>>> and (ie, will return eventually)?
>>
>> Yes, if the system enters a deadlock condition where the waiting for
>> randomness prevents it from accumulating additional randomness.
>
> This is what happens here:
>
>   <https://bugzilla.redhat.com/show_bug.cgi?id=1383060>

... How about we make the kernel not start userspace at all until the
RNG is fully operational?

zw