Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc/32: Fix missing NULL pmd check in virt_to_kpte() | Date | Wed, 18 Mar 2020 00:14:50 +1100 (AEDT) |
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On Sat, 2020-03-07 at 10:09:15 UTC, Christophe Leroy wrote: > Commit 2efc7c085f05 ("powerpc/32: drop get_pteptr()"), > replaced get_pteptr() by virt_to_kpte(). But virt_to_kpte() lacks a > NULL pmd check and returns an invalid non NULL pointer when there > is no page table. > > Reported-by: Nick Desaulniers <ndesaulniers@google.com> > Fixes: 2efc7c085f05 ("powerpc/32: drop get_pteptr()") > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/cc6f0e39000900e5dd1448103a9571f0eccd7d4e
cheers
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