From c8a235ba4d42b67fa1bfe5f7c0dd872a3b72fc5f Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Fri, 13 Jul 2018 18:46:21 +0000
Subject: Validate out-parameters in FPDF_GetPageSizeByIndex().

Change-Id: I2927ebdf0aff31193ad69dcd5542f3858ffdd6ee
Reviewed-on: https://pdfium-review.googlesource.com/37790
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
---
 fpdfsdk/fpdf_view.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'fpdfsdk/fpdf_view.cpp')

diff --git a/fpdfsdk/fpdf_view.cpp b/fpdfsdk/fpdf_view.cpp
index 8aca6fb9f1..5fdc82af73 100644
--- a/fpdfsdk/fpdf_view.cpp
+++ b/fpdfsdk/fpdf_view.cpp
@@ -920,6 +920,9 @@ FPDF_EXPORT int FPDF_CALLCONV FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document,
                                                       int page_index,
                                                       double* width,
                                                       double* height) {
+  if (!width || !height)
+    return false;
+
   auto* pDoc = CPDFDocumentFromFPDFDocument(document);
   if (!pDoc)
     return false;
-- 
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