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[Fuzzing] Utf8JsonWriterFuzzer: Memory stream is not expandable. #111588

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MihaZupan opened this issue Jan 19, 2025 · 1 comment · May be fixed by #111596
Open

[Fuzzing] Utf8JsonWriterFuzzer: Memory stream is not expandable. #111588

MihaZupan opened this issue Jan 19, 2025 · 1 comment · May be fixed by #111596
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@PranavSenthilnathan
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area-System.Text.Json in-pr There is an active PR which will close this issue when it is merged
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10.0.0

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@MihaZupan
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System.NotSupportedException: Memory stream is not expandable.
   at System.IO.MemoryStream.set_Capacity(Int32 value)
   at System.IO.MemoryStream.EnsureCapacity(Int32 value)
   at System.IO.MemoryStream.Write(ReadOnlySpan`1 buffer)
   at System.Text.Json.Utf8JsonWriter.Flush()
   at System.Text.Json.Utf8JsonWriter.Dispose()
   at DotnetFuzzing.Fuzzers.Utf8JsonWriterFuzzer.FuzzTarget(ReadOnlySpan`1 bytes) in Utf8JsonWriterFuzzer.cs:line 145

From #111332, cc: @PranavSenthilnathan

Example input (hex): 00000000000000002000 -- so just the fuzzer options, empty input
@dotnet-policy-service dotnet-policy-service bot added the untriaged New issue has not been triaged by the area owner label Jan 19, 2025
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Tagging subscribers to this area: @dotnet/area-system-text-json, @gregsdennis
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@PranavSenthilnathan PranavSenthilnathan self-assigned this Jan 19, 2025
@PranavSenthilnathan PranavSenthilnathan added this to the 10.0.0 milestone Jan 19, 2025
@PranavSenthilnathan PranavSenthilnathan removed the untriaged New issue has not been triaged by the area owner label Jan 19, 2025
@PranavSenthilnathan PranavSenthilnathan linked a pull request Jan 19, 2025 that will close this issue
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@dotnet-policy-service dotnet-policy-service bot added the in-pr There is an active PR which will close this issue when it is merged label Jan 19, 2025
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Skip encoding mixing test in fuzzer when SkipValidation=true PranavSenthilnathan/runtime
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@PranavSenthilnathan @MihaZupan