On Mon, 20 Apr 2026 23:59:26 GMT, Phil Race <[email protected]> wrote:
>> The bug was filed to note that the constructor for >> MultiPixelPackedSampleModel could throw an odd exception if numberOfBits is >> zero. >> Per the spec this should throw RasterFormatException. >> >> >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > Phil Race has updated the pull request incrementally with one additional > commit since the last revision: > > 8381007 src/java.desktop/share/classes/java/awt/image/MultiPixelPackedSampleModel.java line 171: > 169: throw new IllegalArgumentException("scanlineStride must be > > 0"); > 170: } > 171: if (((numberOfBits * w) / DataBuffer.getDataTypeSize(dataType)) > > scanlineStride) { It looks like there might be an integer overflow here: e.g. `new java.awt.image.MultiPixelPackedSampleModel(3, 77777777, 2, 32, 1, 0)` is constructed successfully while it should not. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/30826#discussion_r3115940254
