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| author | Jay Berkenbilt <ejb@ql.org> | 2024-02-04 23:27:43 +0100 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2024-02-04 23:27:49 +0100 |
| commit | 7ae095fa091af9a94e0e9bf140280a0519859d98 (patch) | |
| tree | abccea9e1ed0f4ffa191ec43c9f47754b370a408 | |
| parent | f0fb19df9d31a550960fac12a6cc96432b885bba (diff) | |
| download | qpdf-7ae095fa091af9a94e0e9bf140280a0519859d98.tar.zst | |
Fix JSON parser error found by fuzz
| -rw-r--r-- | fuzz/json_fuzzer_seed_corpus/f297bc5680b3730d3386caa8dee36bf5a853516b | 1 | ||||
| -rw-r--r-- | fuzz/qtest/fuzz.test | 2 | ||||
| -rw-r--r-- | libqpdf/JSON.cc | 3 |
3 files changed, 4 insertions, 2 deletions
diff --git a/fuzz/json_fuzzer_seed_corpus/f297bc5680b3730d3386caa8dee36bf5a853516b b/fuzz/json_fuzzer_seed_corpus/f297bc5680b3730d3386caa8dee36bf5a853516b new file mode 100644 index 00000000..6c533a40 --- /dev/null +++ b/fuzz/json_fuzzer_seed_corpus/f297bc5680b3730d3386caa8dee36bf5a853516b @@ -0,0 +1 @@ +"\,,,,,p,,-\,,,,
\ No newline at end of file diff --git a/fuzz/qtest/fuzz.test b/fuzz/qtest/fuzz.test index db1efbc1..4a20e5bf 100644 --- a/fuzz/qtest/fuzz.test +++ b/fuzz/qtest/fuzz.test @@ -16,7 +16,7 @@ my @fuzzers = ( ['dct' => 1], ['flate' => 1], ['hex' => 1], - ['json' => 37], + ['json' => 38], ['lzw' => 2], ['pngpredictor' => 1], ['runlength' => 6], diff --git a/libqpdf/JSON.cc b/libqpdf/JSON.cc index c9816809..28f451a9 100644 --- a/libqpdf/JSON.cc +++ b/libqpdf/JSON.cc @@ -1246,7 +1246,8 @@ JSONParser::handleToken() break; default: - throw std::logic_error("JSONParser::handleToken : non-terminal lexer state encountered"); + throw std::runtime_error( + "JSON: offset " + std::to_string(offset) + ": premature end of input"); break; } |