| |
| |
| |
| |
| @@ -150,7 +150,7 @@ final class SnappyRawDecompressor |
| // bit 8). |
| int matchOffset = entry & 0x700; |
| matchOffset += trailer; |
| - if (matchOffset < 0) { |
| + if (matchOffset <= 0) { |
| throw new MalformedInputException(input - inputAddress); |
| } |
| |
| |
| |
| |
| |
| @@ -15,8 +15,12 @@ package io.airlift.compress.v3.snappy; |
| |
| import io.airlift.compress.v3.Compressor; |
| import io.airlift.compress.v3.Decompressor; |
| +import io.airlift.compress.v3.MalformedInputException; |
| import io.airlift.compress.v3.thirdparty.XerialSnappyCompressor; |
| import io.airlift.compress.v3.thirdparty.XerialSnappyDecompressor; |
| +import org.junit.jupiter.api.Test; |
| + |
| +import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| |
| class TestSnappyJava |
| extends AbstractTestSnappy |
| @@ -44,4 +48,13 @@ class TestSnappyJava |
| { |
| return new XerialSnappyDecompressor(); |
| } |
| + |
| + @Test |
| + void testZeroMatchOffsetFails() |
| + { |
| + byte[] zeroMatchOffset = new byte[] {16, 1, 0, 1, 0, 1, 0, 1, 0}; |
| + assertThatThrownBy(() -> new SnappyJavaDecompressor().decompress(zeroMatchOffset, 0, zeroMatchOffset.length, new byte[64], 0, 64)) |
| + .isInstanceOf(MalformedInputException.class) |
| + .hasMessageContaining("Malformed input: offset=2"); |
| + } |
| } |
|
|
