Re: STIBP by default.. Revert?

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On Sun, Nov 18, 2018 at 02:40:28PM -0800, Tim Chen wrote:
> Tasks that want extra security will enable that via prctl interface or
> making themselves non-dumpable.

Well, you need to be careful regarding the last part of your option
above, because a number of network daemons become non-dumpable by
executing setuid() at boot, and certainly don't want to suffer a
performance loss as a side effect of wanting to become "normally"
secure. I'd suggest to use the prctl only so that it doesn't
randomly hit innocent applications that would only have as a last
resort to turn off reasonable security features to avoid this impact.

Regards,
Willy



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