Messages in this thread | | | Subject | Re: Re: [PATCH v12 00/18] Enable FSGSBASE instructions | From | Jarkko Sakkinen <> | Date | Wed, 27 May 2020 11:31:28 +0300 |
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On Sun, 2020-05-24 at 12:45 -0700, hpa@zytor.com wrote: > On a related topic (needless to say, this should never have happened > and is being raised at the highest levels inside Intel): > > There are legitimate reasons to write a root-hole module, the main one > being able to test security features like SMAP. I have requested > before a TAINT flag specifically for this purpose, because > TAINT_CRAP is nowhere near explicit enough, and is also used for > staging drivers. Call it TAINT_TOXIC or TAINT_ROOTHOLE; it should > always be accompanied with a CRIT level alert.
Are these flags easy to bump into in the first place for a person with no prior familarity with the kernel?
/Jarkko
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