Messages in this thread | | | Date | Thu, 3 Jan 2019 21:29:01 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH v6 07/13] arm64: add basic pointer authentication support |
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On Fri 2018-12-07 18:39:25, Kristina Martsenko wrote: > From: Mark Rutland <mark.rutland@arm.com> > > This patch adds basic support for pointer authentication, allowing > userspace to make use of APIAKey, APIBKey, APDAKey, APDBKey, and > APGAKey. The kernel maintains key values for each process (shared by all > threads within), which are initialised to random values at exec() time.
...
> +/* > + * We give each process its own keys, which are shared by all threads. The keys > + * are inherited upon fork(), and reinitialised upon exec*(). > + */ > +struct ptrauth_keys { > + struct ptrauth_key apia; > + struct ptrauth_key apib; > + struct ptrauth_key apda; > + struct ptrauth_key apdb; > + struct ptrauth_key apga; > +};
intstruction_a, data_a, generic_a? Should be easier to understand than "apdb" ...
Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] | |