mirror of
https://github.com/reactos/reactos.git
synced 2024-11-05 06:09:58 +00:00
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
|
|
* PROJECT: ReactOS kernel-mode tests
|
|
* LICENSE: GPLv2+ - See COPYING in the top level directory
|
|
* PURPOSE: Kernel-Mode Test Suite Guarded Memory example test
|
|
* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
|
|
*/
|
|
|
|
#include <kmt_test.h>
|
|
|
|
#ifdef __GNUC__
|
|
#pragma GCC diagnostic ignored "-Wnonnull"
|
|
#endif /* defined __GNUC__ */
|
|
|
|
START_TEST(GuardedMemory)
|
|
{
|
|
NTSTATUS Status;
|
|
SIZE_T Size = 123;
|
|
PCHAR *Buffer;
|
|
|
|
/* access some invalid memory to test SEH */
|
|
Status = STATUS_SUCCESS;
|
|
_SEH2_TRY
|
|
{
|
|
RtlFillMemory(NULL, 1, 0);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
} _SEH2_END;
|
|
ok_eq_hex(Status, STATUS_ACCESS_VIOLATION);
|
|
|
|
/* get guarded mem */
|
|
Buffer = KmtAllocateGuarded(Size);
|
|
|
|
if (skip(Buffer != NULL, "Failed to allocate guarded memory\n"))
|
|
return;
|
|
|
|
/* access to guarded mem should be fine */
|
|
Status = STATUS_SUCCESS;
|
|
_SEH2_TRY
|
|
{
|
|
RtlFillMemory(Buffer, Size, 0);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
} _SEH2_END;
|
|
ok_eq_hex(Status, STATUS_SUCCESS);
|
|
|
|
/* access one byte behind guarded mem must cause an access violation! */
|
|
Status = STATUS_SUCCESS;
|
|
_SEH2_TRY
|
|
{
|
|
RtlFillMemory(Buffer + Size, 1, 0);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
} _SEH2_END;
|
|
ok_eq_hex(Status, STATUS_ACCESS_VIOLATION);
|
|
|
|
KmtFreeGuarded(Buffer);
|
|
}
|