- Add target process reference/dereference in ProcessWow64Information case of NtQueryInformationProcess.

- Check buffer length svn path=/trunk/; revision=41466
2025-02-23 17:05:46 +00:00 · 2009-06-19 08:49:01 +00:00 · 2009-06-19 08:49:01 +00:00 · 97aea8189d
commit 97aea8189d
parent 1cdc856b9c
1 changed files with 23 additions and 0 deletions
--- a/reactos/ntoskrnl/ps/query.c
+++ b/reactos/ntoskrnl/ps/query.c
@ -447,6 +447,29 @@ NtQueryInformationProcess(IN HANDLE ProcessHandle,

        /* WOW64: Not implemented */
        case ProcessWow64Information:
+
+            /* Set the return length */
+            Length = sizeof(ULONG_PTR);
+
+            if (ProcessInformationLength != Length)
+            {
+                Status = STATUS_INFO_LENGTH_MISMATCH;
+                break;
+            }
+
+            /* Reference the process */
+            Status = ObReferenceObjectByHandle(ProcessHandle,
+                                               PROCESS_QUERY_INFORMATION,
+                                               PsProcessType,
+                                               PreviousMode,
+                                               (PVOID*)&Process,
+                                               NULL);
+            if (!NT_SUCCESS(Status)) break;
+
+            DPRINT1("Not implemented: ProcessWow64Information\n");
+
+            /* Dereference the process */
+            ObDereferenceObject(Process);
            Status = STATUS_NOT_IMPLEMENTED;
            break;