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https://issues.apache.org/jira/browse/AVRO-3226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17431134#comment-17431134
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ASF subversion and git services commented on AVRO-3226:
-------------------------------------------------------
Commit a1fce29d9675b4dd95dfee9db32cc505d0b2227c in avro's branch
refs/heads/master from Philip Sanetra
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=a1fce29 ]
AVRO-3225: AVRO-3226: Fix possible StackOverflowException and
OutOfMemoryException on invalid input
* AVRO-3225: Fix possible StackOverflowException on invalid input
* AVRO-3226: Fix possible OutOfMemoryException on invalid input
* AVRO-3226: Backport changes for netstandard2.0
> OutOfMemoryException on invalid input for BinaryDecoder.ReadString on
> NetStandard 2.1+
> --------------------------------------------------------------------------------------
>
> Key: AVRO-3226
> URL: https://issues.apache.org/jira/browse/AVRO-3226
> Project: Apache Avro
> Issue Type: Bug
> Components: csharp
> Reporter: Philip Sanetra
> Priority: Major
> Fix For: 1.11.0
>
>
> The BinaryDecoder.ReadString() method on NetStandard2.1+ produces an
> OutOfMemoryException if there is invalid input caused by this code:
>
> {code:c#}
> int length = ReadInt();
> Span<byte> buffer = length <= StackallocThreshold ? stackalloc byte[length] :
> (bufferArray = ArrayPool<byte>.Shared.Rent(length)).AsSpan(0,
> length);
> {code}
>
> ArrayPool<byte>.Shared.Rent(length) will cause the exception if ReadInt()
> returns a big number like int.MaxValue.
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