[ros-diffs] [reactos] 12/15: [NTOS:MM] In the x64 version of MmCreateProcessAddressSpace() zero out all page table PFNs

[Timo Kreuzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=bebcda0b0b57ab1c7fe09…

commit bebcda0b0b57ab1c7fe092c5157c0f627e2b009b
Author:     Timo Kreuzer <timo.kreuzer(a)reactos.org>
AuthorDate: Mon Jan 29 12:34:45 2018 +0100
Commit:     Timo Kreuzer <timo.kreuzer(a)reactos.org>
CommitDate: Sun Sep 20 23:08:17 2020 +0200

    [NTOS:MM] In the x64 version of MmCreateProcessAddressSpace() zero out all page table
PFNs
---
 ntoskrnl/mm/amd64/page.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/mm/amd64/page.c b/ntoskrnl/mm/amd64/page.c
index c5f6158d813..fb00e41bb96 100644
--- a/ntoskrnl/mm/amd64/page.c
+++ b/ntoskrnl/mm/amd64/page.c
@@ -626,8 +626,11 @@ MmCreateProcessAddressSpace(IN ULONG MinWs,
     /* Release PFN lock */
     MiReleasePfnLock(OldIrql);
 
-    /* Zero pages */ /// FIXME:
+    /* Zero pages */
+    MiZeroPhysicalPage(TableBasePfn);
     MiZeroPhysicalPage(HyperPfn);
+    MiZeroPhysicalPage(HyperPdPfn);
+    MiZeroPhysicalPage(HyperPtPfn);
     MiZeroPhysicalPage(WorkingSetPfn);
 
     /* Set the base directory pointers */