03/03: [KMTESTS/MM] Enable again accessing forbidden memory.

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5d91d52417f94e41427bd3...

commit 5d91d52417f94e41427bd3ecc7239c31d726d8ac
Author:     Jérôme Gardou [e-mail]
AuthorDate: Fri Nov 2 18:26:52 2018 +0100
Commit:     Jérôme Gardou [e-mail]
CommitDate: Sat Nov 3 12:50:16 2018 +0100

[KMTESTS/MM] Enable again accessing forbidden memory.

Also adda test case for the PAGE_GUARD case

ROSTESTS-110
---
 .../rostests/kmtests/ntos_mm/ZwMapViewOfSection.c   | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/modules/rostests/kmtests/ntos_mm/ZwMapViewOfSection.c b/modules/rostests/kmtests/ntos_mm/ZwMapViewOfSection.c
index b6e6146536..aa8e145954 100644
--- a/modules/rostests/kmtests/ntos_mm/ZwMapViewOfSection.c
+++ b/modules/rostests/kmtests/ntos_mm/ZwMapViewOfSection.c
@@ -433,8 +433,6 @@ BehaviorChecks(HANDLE FileHandleReadOnly, HANDLE FileHandleWriteOnly)
         ZwUnmapViewOfSection(NtCurrentProcess(), BaseAddress);
     }

-/* FIXME: Crash. See ROSTESTS-110 */
-#ifdef ROSTESTS_110_FIXED
     //try to access forbidden memory
     BaseAddress = NULL;
     ViewSize = 0;
@@ -448,7 +446,24 @@ BehaviorChecks(HANDLE FileHandleReadOnly, HANDLE FileHandleWriteOnly)

ZwUnmapViewOfSection(NtCurrentProcess(), BaseAddress);
     }
-#endif /* ROSTESTS_110_FIXED */
+
+    //try to access guarded memory
+    BaseAddress = NULL;
+    ViewSize = 0;
+    SectionOffset.QuadPart = 0;
+    Status = ZwMapViewOfSection(WriteSectionHandle, NtCurrentProcess(), &BaseAddress, 0, 0, &SectionOffset, &ViewSize, ViewUnmap, 0, PAGE_GUARD | PAGE_READWRITE);
+    if (!skip(NT_SUCCESS(Status), "Error mapping view with PAGE_NOACCESS priv. Error = %p\n", Status))
+    {
+        KmtStartSeh()
+            RtlCompareMemory(BaseAddress, TestString, TestStringSize);
+        KmtEndSeh(STATUS_GUARD_PAGE_VIOLATION);
+
+        KmtStartSeh()
+            RtlCompareMemory(BaseAddress, TestString, TestStringSize);
+        KmtEndSeh(STATUS_SUCCESS);
+
+        ZwUnmapViewOfSection(NtCurrentProcess(), BaseAddress);
+    }

ZwClose(WriteSectionHandle);