The build output indicates a rewrite of binaries but we see no evidence of actual fuzzing.
Rewrite Unit Tests with Coyote
Microsoft (R) Coyote version 1.3.1.0 for .NET Core 3.1.22
Copyright (C) Microsoft Corporation. All rights reserved.
. Rewriting the assemblies specified in rewrite.coyote.Release.json
... Rewriting the 'Sarif.Driver.dll' assembly (Sarif.Driver, Version=2.4.12.0, Culture=neutral, PublicKeyToken=21a5e83f6f5bb844)
... Writing the modified 'Sarif.Driver.dll' assembly to D:\src\s1\bld\bin\AnyCPU_Release\Test.UnitTests.Sarif.Driver\netcoreapp3.1\Sarif.Driver.dll
Test.FunctionalTests.Sarif -> D:\src\s1\bld\bin\AnyCPU_Release\Test.FunctionalTests.Sarif\netcoreapp3.1\Test.FunctionalTests.Sarif.dll
... Rewriting the 'Sarif.dll' assembly (Sarif, Version=2.4.12.0, Culture=neutral, PublicKeyToken=21a5e83f6f5bb844)
Unable to resolve 'System.Void Microsoft.Coyote.Interception.ControlledConcurrentDictionary::.ctor(System.Collections.Generic.IEqualityComparer`1<!0>)' method. The method is either unsupported by Coyote, or a user-defined extension method, or the .NET platform of Coyote and the target assembly do not match.
... Writing the modified 'Sarif.dll' assembly to D:\src\s1\bld\bin\AnyCPU_Release\Test.UnitTests.Sarif.Driver\netcoreapp3.1\Sarif.dll
... Rewriting the 'Test.UnitTests.Sarif.Driver.dll' assembly (Test.UnitTests.Sarif.Driver, Version=2.4.12.0, Culture=neutral, PublicKeyToken=21a5e83f6f5bb844)
... Writing the modified 'Test.UnitTests.Sarif.Driver.dll' assembly to D:\src\s1\bld\bin\AnyCPU_Release\Test.UnitTests.Sarif.Driver\netcoreapp3.1\Test.UnitTests.Sarif.Driver.dll
. Done rewriting in 5.6541854 sec
@suvamM believes it is not.
The build output indicates a rewrite of binaries but we see no evidence of actual fuzzing.