binder: Add invalid handle info in user error log

In the case of a failed transaction, only the thread and process id are
logged. Add the handle info for the reference to the target node in user
error log to aid debugging.
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Ramji Jiyani <ramjiyani@google.com>
Link: https://lore.kernel.org/r/20210802220446.1938347-1-ramjiyani@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/android/binder.c

@@ -2547,8 +2547,8 @@ static void binder_transaction(struct binder_proc *proc,
 						ref->node, &target_proc,
 						&return_error);
 			} else {
-				binder_user_error("%d:%d got transaction to invalid handle\n",
-						  proc->pid, thread->pid);
+				binder_user_error("%d:%d got transaction to invalid handle, %u\n",
+						  proc->pid, thread->pid, tr->target.handle);
 				return_error = BR_FAILED_REPLY;
 			}
 			binder_proc_unlock(proc);