Add test case for overflow in PNG filter (fixes #150)

Jay Berkenbilt
1 parent 1868a10f
Showing 3 changed files with 7 additions and 0 deletions
qpdf/qtest/qpdf.test
qpdf/qtest/qpdf/issue-150.out
qpdf/qtest/qpdf/issue-150.pdf
@@ -225,6 +225,7 @@ my @bug_tests = (
     ["147", "previously caused memory error", 2],
     ["148", "free memory on bad flate", 2],
     ["149", "xref prev pointer loop", 3],
+    ["150", "integer overflow", 2],
     );
 $n_tests += scalar(@bug_tests);
 foreach my $d (@bug_tests)
+WARNING: issue-150.pdf: can't find PDF header
+overflow/underflow converting 9900000000000000000 to 64-bit integer
+00008 0 obj<</Type/XRef/Filter/Fl/DecodeParms<</Columns 9900000000000000000/Predictor 12>>/W[0 2 0]/Size 0>>stream
+xœc0endobj
+startxref
+4
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