Add additional fuzz test cases

fuzz/CMakeLists.txt

@@ -142,6 +142,9 @@ set(CORPUS_OTHER
   70306b.fuzz
   71624.fuzz
   71689.fuzz
+  99999a.fuzz
+  99999b.fuzz
+  99999c.fuzz
 )
 
 set(CORPUS_DIR ${CMAKE_CURRENT_BINARY_DIR}/qpdf_corpus)

fuzz/qpdf_extra/99999a.fuzz

@@ -0,0 +1,63 @@
+%PDF-1.5
+%����
+1 0 obj
+<<
+	/Type /Catalog
+	/Pages 2 0 R
+>>
+endobj
+2 0 obj
+<<
+	/Count 6  Ri
+	0K/ds [3 0 R]
+	/Type /Pages
+>>
+endobj
+3 0 obj
+<<
+	/Resources <<
+		/Font <<
+			/F1 5 0 R
+		>>
+	>>
+	/MediaBox [0 0 795 842]
+	/Parent 2 0 R
+	/Contents 4 0 R
+	/Type /Page
+=>
+endobj
+4 0 obj
+<<444444444444444444444444 1 Tr /F1 30 Tf 350 750 Td (foobar) Tj ET
+endstream
+endobj
+5 0 obj
+<<
+	/Name /F1
+	/BaseFont /Helvetica
+	/Type /Font
+	/Subtype /Type1
+>>
+e�dobj
+6 0 obj
+<< /Length 6 0 R >>
+stre444444444444444444444444444444<<>>
+endobj
+xref
+0 8
+0000000000 65535 f 
+0000000015 00000 n 
+0000000066 00000 n 
+0000000130 00000 n 
+0000000269 00000 n 
+0000000362 00000 n 
+000000��������00 n 
+0000000500 00000 n 
+trailer
+<<
+	/Size 713115528178535
+	/Root 1 0 R
+	/Info 7 0 R
+>>
+startxref
+520
+%%EOF

fuzz/qtest/fuzz.test

@@ -11,7 +11,7 @@ my $td = new TestDriver('fuzz');
 
 my $qpdf_corpus = $ENV{'QPDF_FUZZ_CORPUS'} || die "must set QPDF_FUZZ_CORPUS";
 
-my $n_qpdf_files = 79;       # increment when adding new files
+my $n_qpdf_files = 82;       # increment when adding new files
 
 my @fuzzers = (
     ['ascii85' => 1],