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

[MihuBot]

Job completed in 36 minutes 5 seconds.
dotnet/runtime#107682

// NrbfDecoderFuzzer
System.InvalidOperationException: Operation is not valid due to the current state of the object.
   at System.Formats.Nrbf.Utils.BinaryReaderExtensions.ReadPrimitiveValue(BinaryReader reader, PrimitiveType primitiveType)
   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)
==5792== 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
0x0,0x1,0x0,0x0,0x41,0xfe,0xff,0xff,0xff,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7,0x1,0x17,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0xff,0x0,0x0,0x0,0x0,0x12,
\000\001\000\000A\376\377\377\377\001\000\000\000\000\000\000\000\007\001\027\000\000\000\001\000\000\000\377\000\000\000\000\022
artifact_prefix='./'; Test unit written to NrbfDecoderFuzzer-artifact-1
Base64: AAEAAEH+////AQAAAAAAAAAHARcAAAABAAAA/wAAAAAS

Artifacts:

• NrbfDecoderFuzzer-stack.txt (1 KB)
• NrbfDecoderFuzzer-input.bin (33 B)
• NrbfDecoderFuzzer-inputs.zip (1 MB)