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Saar Amar
Wow, crazy issue bypasses PAN: Part of the uaccess routines (__arch_clear_user() and __arch_copy_{in,from,to}_user()) fail to re-enable PAN if they encounter an unhandled fault while accessing userspace. Check out the patch:
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Saar Amar 23. sij
Odgovor korisniku/ci @s1guza
Short time after the publish of the crazy design issue, contradicting XOM on EL0 && PAN (the arch can't create ---/--x, checkout 's amazing post. TL;DR )
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Gil Dabah 23. sij
Odgovor korisniku/ci @AmarSaar @Liran_Alon
Lol
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