load_image_internal(): Forgot to reserve room on the stack for the program

arguments and environment. Fixes failures to start programs in case the space
available through rounding to full page sizes wasn't sufficient.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42184 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/team.cpp

@@ -1706,13 +1706,16 @@ load_image_internal(char**& _flatArgs, size_t flatArgsSize, int32 argCount,
 
 	// Create a kernel thread, but under the context of the new team
 	// The new thread will take over ownership of teamArgs.
-	thread = thread_create_thread(
-		ThreadCreationAttributes(team_create_thread_start, threadName,
-			B_NORMAL_PRIORITY, teamArgs, teamID, mainThread),
-		false);
-	if (thread < 0) {
-		status = thread;
-		goto err5;
+	{
+		ThreadCreationAttributes threadAttributes(team_create_thread_start,
+			threadName, B_NORMAL_PRIORITY, teamArgs, teamID, mainThread);
+		threadAttributes.additional_stack_size = sizeof(user_space_program_args)
+			+ teamArgs->flat_args_size;
+		thread = thread_create_thread(threadAttributes, false);
+		if (thread < 0) {
+			status = thread;
+			goto err5;
+		}
 	}
 
 	// The team has been created successfully, so we keep the reference. Or