https://git.reactos.org/?p=reactos.git;a=commitdiff;h=4b4bff0642fd06fde2945e711e70b366abbaa4a2
commit 4b4bff0642fd06fde2945e711e70b366abbaa4a2 Author: Timo Kreuzer <[email protected]> AuthorDate: Sun Nov 1 15:13:36 2020 +0100 Commit: Jérôme Gardou <[email protected]> CommitDate: Tue Feb 16 18:02:57 2021 +0100 [NTOS:MM] Handle demand zero PTEs with MM_EXECUTE_READWRITE and MM_READWRITE --- ntoskrnl/mm/ARM3/pagfault.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/ntoskrnl/mm/ARM3/pagfault.c b/ntoskrnl/mm/ARM3/pagfault.c index eefee2b340b..6d60645debd 100644 --- a/ntoskrnl/mm/ARM3/pagfault.c +++ b/ntoskrnl/mm/ARM3/pagfault.c @@ -2262,12 +2262,13 @@ UserFault: } /* Quick check for demand-zero */ - if (TempPte.u.Long == (MM_READWRITE << MM_PTE_SOFTWARE_PROTECTION_BITS)) + if ((TempPte.u.Long == (MM_READWRITE << MM_PTE_SOFTWARE_PROTECTION_BITS)) || + (TempPte.u.Long == (MM_EXECUTE_READWRITE << MM_PTE_SOFTWARE_PROTECTION_BITS))) { /* Resolve the fault */ MiResolveDemandZeroFault(Address, PointerPte, - MM_READWRITE, + TempPte.u.Soft.Protection, CurrentProcess, MM_NOIRQL);
