[Fuzzing] [adamsitnik] [NRBF] More bug fixes

[MihuBot]

Job completed in 37 minutes 33 seconds.
dotnet/runtime#107682

// NrbfDecoderFuzzer
System.InvalidOperationException: Operation is not valid due to the current state of the object.
   at System.Formats.Nrbf.RectangularArrayRecord.MapPrimitive(PrimitiveType primitiveType)
   at System.Formats.Nrbf.RectangularArrayRecord.Create(BinaryReader reader, ArrayInfo arrayInfo, MemberTypeInfo memberTypeInfo, Int32[] lengths)
   at System.Formats.Nrbf.BinaryArrayRecord.Decode(BinaryReader reader, RecordMap recordMap, PayloadOptions options)
   at System.Formats.Nrbf.NrbfDecoder.DecodeNext(BinaryReader reader, RecordMap recordMap, AllowedRecordTypes allowed, PayloadOptions options, SerializationRecordType& recordType)
   at System.Formats.Nrbf.NrbfDecoder.Decode(BinaryReader reader, PayloadOptions options, IReadOnlyDictionary`2& readOnlyRecordMap)
   at System.Formats.Nrbf.NrbfDecoder.Decode(Stream payload, IReadOnlyDictionary`2& recordMap, PayloadOptions options, Boolean leaveOpen)
   at DotnetFuzzing.Fuzzers.NrbfDecoderFuzzer.Test(Span`1 testSpan, Stream stream) in D:\runner-dir\runtime\src\libraries\Fuzzing\DotnetFuzzing\Fuzzers\NrbfDecoderFuzzer.cs:line 43
   at DotnetFuzzing.Fuzzers.NrbfDecoderFuzzer.Test(ReadOnlySpan`1 bytes, PoisonPagePlacement poisonPagePlacement) in D:\runner-dir\runtime\src\libraries\Fuzzing\DotnetFuzzing\Fuzzers\NrbfDecoderFuzzer.cs:line 30
   at DotnetFuzzing.Fuzzers.NrbfDecoderFuzzer.FuzzTarget(ReadOnlySpan`1 bytes) in D:\runner-dir\runtime\src\libraries\Fuzzing\DotnetFuzzing\Fuzzers\NrbfDecoderFuzzer.cs:line 21
   at DotnetFuzzing.Program.<>c__DisplayClass1_0.<RunFuzzer>b__0(ReadOnlySpan`1 bytes) in D:\runner-dir\runtime\src\libraries\Fuzzing\DotnetFuzzing\Program.cs:line 91
   at SharpFuzz.Fuzzer.LibFuzzer.Run(ReadOnlySpanAction action, Boolean ignoreExceptions)
==8536== ERROR: libFuzzer: deadly signal
NOTE: libFuzzer has rudimentary signal handlers.
      Combine libFuzzer with AddressSanitizer or similar for better crash reports.
SUMMARY: libFuzzer: deadly signal
MS: 0 ; base unit: 0000000000000000000000000000000000000000
0x0,0x9,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7,0x1,0x17,0x0,0x0,0x2,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7,0x0,0x0,0x7,0xfa,0x0,0x7,0x7,0x7,0x7,0x7,0x7,0x6,0x0,0x0,0x0,0x0,0x12,
\000\011\000\000\000\377\377\377\377\001\000\000\000\000\000\000\000\007\001\027\000\000\002\010\000\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000\000\000\007\000\000\007\372\000\007\007\007\007\007\007\006\000\000\000\000\022
artifact_prefix='./'; Test unit written to NrbfDecoderFuzzer-artifact-1
Base64: AAkAAAD/////AQAAAAAAAAAHARcAAAIIAAAAAAAAAAAABAAAAAAAAAAAAAcAAAf6AAcHBwcHBwYAAAAAEg==

Artifacts:

• NrbfDecoderFuzzer-stack.txt (2 KB)
• NrbfDecoderFuzzer-input.bin (61 B)
• NrbfDecoderFuzzer-inputs.zip (1 MB)