From 76d01feaeec421ebe6005f22de85998220703dd2 Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Fri, 8 Jun 2018 18:05:58 +0000
Subject: Do not crash if FPDFPage_Get{Media,Crop}Box() gets a NULL out
 parameter.

Change-Id: I4b61d4c7239caaf6081bcba80cc0d8ad61569474
Reviewed-on: https://pdfium-review.googlesource.com/34590
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
---
 fpdfsdk/fpdf_transformpage.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'fpdfsdk/fpdf_transformpage.cpp')

diff --git a/fpdfsdk/fpdf_transformpage.cpp b/fpdfsdk/fpdf_transformpage.cpp
index a3ba7ca7a9..210c6b6fde 100644
--- a/fpdfsdk/fpdf_transformpage.cpp
+++ b/fpdfsdk/fpdf_transformpage.cpp
@@ -36,6 +36,9 @@ bool GetBoundingBox(CPDF_Page* page,
                     float* bottom,
                     float* right,
                     float* top) {
+  if (!left || !bottom || !right || !top)
+    return false;
+
   CPDF_Array* pArray = page->GetDict()->GetArrayFor(key);
   if (!pArray)
     return false;
-- 
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