From b4dcddf1ee6b8fc10b1527ab8bcbfebe013bc6fe Mon Sep 17 00:00:00 2001
From: Navidem <navid.emamdoost@gmail.com>
Date: Tue, 29 Mar 2022 19:14:32 -0700
Subject: [PATCH] Check for non-null baseStream (#7476)

---
 projects/xpdf/fuzz_pdfload.cc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/projects/xpdf/fuzz_pdfload.cc b/projects/xpdf/fuzz_pdfload.cc
index 92ad5d064..dbdbf4178 100644
--- a/projects/xpdf/fuzz_pdfload.cc
+++ b/projects/xpdf/fuzz_pdfload.cc
@@ -120,10 +120,12 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 
             Object globals;
             BaseStream *base_str = doc.getBaseStream();
-            JBIG2Stream *str = new JBIG2Stream(base_str, &globals);
-            str->reset();
-            globals.free();
-            delete str;
+            if (base_str) {
+              JBIG2Stream *str = new JBIG2Stream(base_str, &globals);
+              str->reset();
+              delete str;
+            }
+            globals.free();            
         }
     } catch (...) {