dotnet · carlossanlop · Sep 26, 2024 · Sep 17, 2024 · Sep 17, 2024 · Sep 17, 2024
@@ -310,3 +310,4 @@ Diagnostic id values for experimental APIs must not be recycled, as that could s
 |  __`SYSLIB5002`__ |     .NET 9 |     TBD | `SystemColors` alternate colors are experimental in .NET 9 |
 |  __`SYSLIB5003`__ |     .NET 9 |     TBD | `System.Runtime.Intrinsics.Arm.Sve` is experimental in .NET 9 |
 |  __`SYSLIB5004`__ |     .NET 9 |     TBD | `X86Base.DivRem` is experimental in .NET 9 since performance is not as optimized as `T.DivRem` |
+|  __`SYSLIB5005`__ |     .NET 9 |     TBD | `System.Formats.Nrbf` is experimental in .NET 9 |
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
@@ -64,14 +64,14 @@
       <Sha>526b22d829bc9b420dff6ef70877a67053b66e0f</Sha>
       <SourceBuild RepoName="cecil" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-9.0.100.Transport" Version="9.0.0-rc.2.24464.3">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-9.0.100.Transport" Version="9.0.0-rc.2.24468.8">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>c3d83d0ea894e5ee537bfc591fd48e06af8d9166</Sha>
+      <Sha>0b30e0253a0d7c47a99cecd51b0d5ff5c83ad1df</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="9.0.0-rc.2.24464.3">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="9.0.0-rc.2.24468.8">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>c3d83d0ea894e5ee537bfc591fd48e06af8d9166</Sha>
+      <Sha>0b30e0253a0d7c47a99cecd51b0d5ff5c83ad1df</Sha>
       <SourceBuild RepoName="emsdk" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->

diff --git a/eng/Versions.props b/eng/Versions.props
@@ -216,6 +216,7 @@
     <!-- ILCompiler -->
     <MicrosoftDotNetILCompilerVersion>9.0.0-rc.2.24463.7</MicrosoftDotNetILCompilerVersion>
     <!-- ICU -->
+    <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rc.2.24467.2</MicrosoftNETCoreRuntimeICUTransportVersion>
     <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rtm.24466.4</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- MsQuic -->
     <MicrosoftNativeQuicMsQuicSchannelVersion>2.4.3</MicrosoftNativeQuicMsQuicSchannelVersion>
@@ -239,7 +240,7 @@
          Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
                like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-9_0_100_Transport
     -->
-    <MicrosoftNETWorkloadEmscriptenCurrentManifest90100TransportVersion>9.0.0-rc.2.24464.3</MicrosoftNETWorkloadEmscriptenCurrentManifest90100TransportVersion>
+    <MicrosoftNETWorkloadEmscriptenCurrentManifest90100TransportVersion>9.0.0-rc.2.24468.8</MicrosoftNETWorkloadEmscriptenCurrentManifest90100TransportVersion>
     <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest90100TransportVersion)</MicrosoftNETRuntimeEmscriptenVersion>
     <!-- workloads -->
     <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>

diff --git a/eng/pipelines/libraries/fuzzing/deploy-to-onefuzz.yml b/eng/pipelines/libraries/fuzzing/deploy-to-onefuzz.yml
@@ -97,6 +97,14 @@ extends:
             SYSTEM_ACCESSTOKEN: $(System.AccessToken)
           displayName: Send JsonDocumentFuzzer to OneFuzz
 
+        - task: onefuzz-task@0
+          inputs:
+            onefuzzOSes: 'Windows'
+          env:
+            onefuzzDropDirectory: $(fuzzerProject)/deployment/NrbfDecoderFuzzer
+            SYSTEM_ACCESSTOKEN: $(System.AccessToken)
+          displayName: Send NrbfDecoderFuzzer to OneFuzz
+
         - task: onefuzz-task@0
           inputs:
             onefuzzOSes: 'Windows'

diff --git a/src/libraries/Common/src/System/Experimentals.cs b/src/libraries/Common/src/System/Experimentals.cs
@@ -28,6 +28,9 @@ internal static class Experimentals
         // X86Base.DivRem is experimental in .NET 9 since performance is not as optimized as T.DivRem
         internal const string X86BaseDivRemDiagId = "SYSLIB5004";
 
+        // System.Formats.Nrbf is experimental in .NET 9
+        internal const string NrbfDecoderDiagId = "SYSLIB5005";
+
         // When adding a new diagnostic ID, add it to the table in docs\project\list-of-diagnostics.md as well.
         // Keep new const identifiers above this comment.
     }

diff --git a/src/libraries/Fuzzing/DotnetFuzzing/Assert.cs b/src/libraries/Fuzzing/DotnetFuzzing/Assert.cs
@@ -18,6 +18,17 @@ static void Throw(T expected, T actual) =>
             throw new Exception($"Expected={expected} Actual={actual}");
     }
 
+    public static void NotNull<T>(T value)
+    {
+        if (value == null)
+        {
+            ThrowNull();
+        }
+
+        static void ThrowNull() =>
+            throw new Exception("Value is  null");
+    }
+
     public static void SequenceEqual<T>(ReadOnlySpan<T> expected, ReadOnlySpan<T> actual)
     {
         if (!expected.SequenceEqual(actual))

diff --git a/src/libraries/Fuzzing/DotnetFuzzing/Dictionaries/nrbfdecoder.dict b/src/libraries/Fuzzing/DotnetFuzzing/Dictionaries/nrbfdecoder.dict
@@ -0,0 +1,16 @@
+# "Hello World!"
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x06\x01\x00\x00\x00\x0C\x48\x65\x6C\x6C\x6F\x20\x57\x6F\x72\x6C\x64\x21\x0B"
+# new DateTime(2024, 2, 29)
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x04\x01\x00\x00\x00\x0F\x53\x79\x73\x74\x65\x6D\x2E\x44\x61\x74\x65\x54\x69\x6D\x65\x02\x00\x00\x00\x05\x74\x69\x63\x6B\x73\x08\x64\x61\x74\x65\x44\x61\x74\x61\x00\x00\x09\x10\x00\x00\x60\x5F\xB9\x38\xDC\x08\x00\x00\x60\x5F\xB9\x38\xDC\x08\x0B"
+# new int[] { 1, 2, 3 }
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x0F\x01\x00\x00\x00\x03\x00\x00\x00\x08\x01\x00\x00\x00\x02\x00\x00\x00\x03\x00\x00\x00\x0B"
+# new object[] { int.MaxValue, "string", null }
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x10\x01\x00\x00\x00\x03\x00\x00\x00\x08\x08\xFF\xFF\xFF\x7F\x06\x02\x00\x00\x00\x06\x73\x74\x72\x69\x6E\x67\x0A\x0B"
+# new int?[Array.MaxLength] (plenty of nulls)
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x07\x01\x00\x00\x00\x00\x01\x00\x00\x00\xC7\xFF\xFF\x7F\x03\x6E\x53\x79\x73\x74\x65\x6D\x2E\x4E\x75\x6C\x6C\x61\x62\x6C\x65\x60\x31\x5B\x5B\x53\x79\x73\x74\x65\x6D\x2E\x49\x6E\x74\x33\x32\x2C\x20\x6D\x73\x63\x6F\x72\x6C\x69\x62\x2C\x20\x56\x65\x72\x73\x69\x6F\x6E\x3D\x34\x2E\x30\x2E\x30\x2E\x30\x2C\x20\x43\x75\x6C\x74\x75\x72\x65\x3D\x6E\x65\x75\x74\x72\x61\x6C\x2C\x20\x50\x75\x62\x6C\x69\x63\x4B\x65\x79\x54\x6F\x6B\x65\x6E\x3D\x62\x37\x37\x61\x35\x63\x35\x36\x31\x39\x33\x34\x65\x30\x38\x39\x5D\x5D\x0E\xC7\xFF\xFF\x7F\x0B"
+# [["jagged", "array"], ["of", "strings"]]
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x07\x01\x00\x00\x00\x01\x01\x00\x00\x00\x02\x00\x00\x00\x06\x09\x02\x00\x00\x00\x09\x03\x00\x00\x00\x11\x02\x00\x00\x00\x02\x00\x00\x00\x06\x04\x00\x00\x00\x06\x6A\x61\x67\x67\x65\x64\x06\x05\x00\x00\x00\x05\x61\x72\x72\x61\x79\x11\x03\x00\x00\x00\x02\x00\x00\x00\x06\x06\x00\x00\x00\x02\x6F\x66\x06\x07\x00\x00\x00\x07\x73\x74\x72\x69\x6E\x67\x73\x0B"
+# new Dictionary<string, bool> { { "1", true }, { "2", false } }
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74\x65\x6D\x2E\x42\x6F\x6F\x6C\x65\x61\x6E\x2C\x20\x6D\x73\x63\x6F\x72\x6C\x69\x62\x2C\x20\x56\x65\x72\x73\x69\x6F\x6E\x3D\x34\x2E\x30\x2E\x30\x2E\x30\x2C\x20\x43\x75\x6C\x74\x75\x72\x65\x3D\x6E\x65\x75\x74\x72\x61\x6C\x2C\x20\x50\x75\x62\x6C\x69\x63\x4B\x65\x79\x54\x6F\x6B\x65\x6E\x3D\x62\x37\x37\x61\x35\x63\x35\x36\x31\x39\x33\x34\x65\x30\x38\x39\x5D\x5D\x02\x00\x00\x00\x03\x6B\x65\x79\x05\x76\x61\x6C\x75\x65\x01\x00\x01\x06\x05\x00\x00\x00\x01\x31\x01\x01\xFA\xFF\xFF\xFF\xFC\xFF\xFF\xFF\x06\x07\x00\x00\x00\x01\x32\x00\x0B"
+# new ComplexType2D { I = 1, J = 2 } (non-system class)
+"\x00\x01\x00\x00\x00\xFF\xFF\xFF\xFF\x01\x00\x00\x00\x00\x00\x00\x00\x0C\x02\x00\x00\x00\x3D\x42\x66\x44\x65\x6D\x6F\x2C\x20\x56\x65\x72\x73\x69\x6F\x6E\x3D\x31\x2E\x30\x2E\x30\x2E\x30\x2C\x20\x43\x75\x6C\x74\x75\x72\x65\x3D\x6E\x65\x75\x74\x72\x61\x6C\x2C\x20\x50\x75\x62\x6C\x69\x63\x4B\x65\x79\x54\x6F\x6B\x65\x6E\x3D\x6E\x75\x6C\x6C\x05\x01\x00\x00\x00\x14\x42\x66\x44\x65\x6D\x6F\x2E\x43\x6F\x6D\x70\x6C\x65\x78\x54\x79\x70\x65\x32\x44\x02\x00\x00\x00\x01\x49\x01\x4A\x00\x00\x08\x08\x02\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x0B"
diff --git a/src/libraries/Fuzzing/DotnetFuzzing/DotnetFuzzing.csproj b/src/libraries/Fuzzing/DotnetFuzzing/DotnetFuzzing.csproj
@@ -30,4 +30,8 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\..\System.Formats.Nrbf\src\System.Formats.Nrbf.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/libraries/Fuzzing/DotnetFuzzing/Fuzzers/AssemblyNameInfoFuzzer.cs b/src/libraries/Fuzzing/DotnetFuzzing/Fuzzers/AssemblyNameInfoFuzzer.cs
@@ -24,15 +24,15 @@ public void FuzzTarget(ReadOnlySpan<byte> bytes)
             using PooledBoundedMemory<char> inputPoisonedBefore = PooledBoundedMemory<char>.Rent(chars, PoisonPagePlacement.Before);
             using PooledBoundedMemory<char> inputPoisonedAfter = PooledBoundedMemory<char>.Rent(chars, PoisonPagePlacement.After);
 
-            Test(inputPoisonedBefore);
-            Test(inputPoisonedAfter);
+            Test(inputPoisonedBefore.Span);
+            Test(inputPoisonedAfter.Span);
         }
 
-        private static void Test(PooledBoundedMemory<char> inputPoisoned)
+        private static void Test(Span<char> span)
         {
-            if (AssemblyNameInfo.TryParse(inputPoisoned.Span, out AssemblyNameInfo? fromTryParse))
+            if (AssemblyNameInfo.TryParse(span, out AssemblyNameInfo? fromTryParse))
             {
-                AssemblyNameInfo fromParse = AssemblyNameInfo.Parse(inputPoisoned.Span);
+                AssemblyNameInfo fromParse = AssemblyNameInfo.Parse(span);
 
                 Assert.Equal(fromTryParse.Name, fromParse.Name);
                 Assert.Equal(fromTryParse.FullName, fromParse.FullName);
@@ -66,7 +66,7 @@ private static void Test(PooledBoundedMemory<char> inputPoisoned)
             {
                 try
                 {
-                    _ = AssemblyNameInfo.Parse(inputPoisoned.Span);
+                    _ = AssemblyNameInfo.Parse(span);
                 }
                 catch (ArgumentException)
                 {