[PATCH v2 1/3] server: Validate status in continue_debug_event.

[Rémi Bernon]

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
 dlls/ntdll/tests/exception.c |  4 ++++
 server/debugger.c            | 12 ++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c
index e8b481e703f..07e05e45c90 100644
--- a/dlls/ntdll/tests/exception.c
+++ b/dlls/ntdll/tests/exception.c
@@ -1000,6 +1000,10 @@ static void test_debugger(void)
         continuestatus = DBG_CONTINUE;
         ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
 
+        ret = ContinueDebugEvent(de.dwProcessId, de.dwThreadId, 0xdeadbeef);
+        ok(!ret, "ContinueDebugEvent unexpectedly succeeded\n");
+        ok(GetLastError() == ERROR_INVALID_PARAMETER, "Unexpected last error: %u\n", GetLastError());
+
         if (de.dwThreadId != pi.dwThreadId)
         {
             trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
diff --git a/server/debugger.c b/server/debugger.c
index a5c39aa33e7..5b06b73b4be 100644
--- a/server/debugger.c
+++ b/server/debugger.c
@@ -612,8 +612,16 @@ DECL_HANDLER(wait_debug_event)
 /* Continue a debug event */
 DECL_HANDLER(continue_debug_event)
 {
-    struct process *process = get_process_from_id( req->pid );
-    if (process)
+    struct process *process;
+
+    if (req->status != DBG_EXCEPTION_NOT_HANDLED &&
+        req->status != DBG_CONTINUE)
+    {
+        set_error( STATUS_INVALID_PARAMETER );
+        return;
+    }
+
+    if ((process = get_process_from_id( req->pid )))
     {
         struct thread *thread = get_thread_from_id( req->tid );
         if (thread)
-- 
2.25.0