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ntdll: Allow changes to DEP flags under Wow64.

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Brendan Shanks 2022-07-21 11:03:18 -07:00 committed by Alexandre Julliard
parent 7527869fe8
commit ce5fe931e1
1 changed files with 10 additions and 6 deletions
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16
dlls/ntdll/unix/process.c
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@ -73,9 +73,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(process);
static ULONG execute_flags = MEM_EXECUTE_OPTION_DISABLE | (sizeof(void *) > sizeof(int) ?
MEM_EXECUTE_OPTION_DISABLE_THUNK_EMULATION |
MEM_EXECUTE_OPTION_PERMANENT : 0);
static ULONG execute_flags = MEM_EXECUTE_OPTION_DISABLE;
static UINT process_error_mode;
@ -1434,8 +1432,14 @@ NTSTATUS WINAPI NtQueryInformationProcess( HANDLE handle, PROCESSINFOCLASS class
case ProcessExecuteFlags:
len = sizeof(ULONG);
if (size == len) *(ULONG *)info = execute_flags;
else ret = STATUS_INFO_LENGTH_MISMATCH;
if (size != len)
ret = STATUS_INFO_LENGTH_MISMATCH;
else if (is_win64 && !NtCurrentTeb()->WowTebOffset)
*(ULONG *)info = MEM_EXECUTE_OPTION_DISABLE |
MEM_EXECUTE_OPTION_DISABLE_THUNK_EMULATION |
MEM_EXECUTE_OPTION_PERMANENT;
else
*(ULONG *)info = execute_flags;
break;
case ProcessPriorityClass:
@ -1560,7 +1564,7 @@ NTSTATUS WINAPI NtSetInformationProcess( HANDLE handle, PROCESSINFOCLASS class,
break;
case ProcessExecuteFlags:
if (is_win64 || size != sizeof(ULONG)) return STATUS_INVALID_PARAMETER;
if ((is_win64 && !NtCurrentTeb()->WowTebOffset) || size != sizeof(ULONG)) return STATUS_INVALID_PARAMETER;
if (execute_flags & MEM_EXECUTE_OPTION_PERMANENT) return STATUS_ACCESS_DENIED;
else
{