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| author | Sean Owen <srowen@gmail.com> | 2023-08-17 23:28:32 +0300 |
|---|---|---|
| committer | Sean Owen <srowen@gmail.com> | 2023-08-17 23:28:32 +0300 |
| commit | aa58f2ec3016a2e91a1fe55c7ab764c236df6094 (patch) | |
| tree | a7ffc001bc50af6bf72a34baf89ff3c1304d2c8b /core/src/main/java/com | |
| parent | fc2f1c9b0f0218c72ec5cab0d4030b4abfb73945 (diff) | |
| download | zxing-aa58f2ec3016a2e91a1fe55c7ab764c236df6094.tar.xz | |
Possible fix for obscure corner case in https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37868
Diffstat (limited to 'core/src/main/java/com')
| -rw-r--r-- | core/src/main/java/com/google/zxing/oned/Code128Writer.java | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/src/main/java/com/google/zxing/oned/Code128Writer.java b/core/src/main/java/com/google/zxing/oned/Code128Writer.java index 3c74f4d27..a31a673f5 100644 --- a/core/src/main/java/com/google/zxing/oned/Code128Writer.java +++ b/core/src/main/java/com/google/zxing/oned/Code128Writer.java @@ -249,6 +249,9 @@ public final class Code128Writer extends OneDimensionalCodeWriter { static boolean[] produceResult(Collection<int[]> patterns, int checkSum) { // Compute and append checksum checkSum %= 103; + if (checkSum < 0) { + throw new IllegalArgumentException("Unable to compute a valid input checksum"); + } patterns.add(Code128Reader.CODE_PATTERNS[checkSum]); // Append stop code |