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Possible fix for https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38486

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This commit is contained in:
Sean Owen 2021-09-11 08:56:09 -05:00
parent 91a423b050
commit f5ef61ec13
1 changed files with 10 additions and 2 deletions
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12
core/src/main/java/com/google/zxing/pdf417/decoder/DecodedBitStreamParser.java
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@ -180,8 +180,16 @@ final class DecodedBitStreamParser {
segmentIndexArray[i] = codewords[codeIndex];
}
String segmentIndexString = decodeBase900toBase10(segmentIndexArray, NUMBER_OF_SEQUENCE_CODEWORDS);
int segmentIndex = segmentIndexString.isEmpty() ? 0 : Integer.parseInt(segmentIndexString);
resultMetadata.setSegmentIndex(segmentIndex);
if (segmentIndexString.isEmpty()) {
resultMetadata.setSegmentIndex(0);
} else {
try {
resultMetadata.setSegmentIndex(Integer.parseInt(segmentIndexString));
} catch (NumberFormatException nfe) {
// too large; bad input?
throw FormatException.getFormatInstance();
}
}
// Decoding the fileId codewords as 0-899 numbers, each 0-filled to width 3. This follows the spec
// (See ISO/IEC 15438:2015 Annex H.6) and preserves all info, but some generators (e.g. TEC-IT) write