Failed to install wasm-experimental workload with error "Source array was not long enough" after installing .NET 10.0 SDK

[EmilyFeng97]

Describe the bug

Failed to install wasm-experimental workload.

C:\Users\v-xxxx>dotnet workload install wasm-experimental

Skipping NuGet package signature verification.
Skipping NuGet package signature verification.
Downloading Microsoft.NET.Runtime.WebAssembly.Templates.net10.Msi.x64 (10.0.0-alpha.1.24625.1)
Workload installation failed. Rolling back installed packs...
Workload installation failed: Source array was not long enough. Check the source index, length, and the array's lower bounds. (Parameter 'sourceArray')

To Reproduce

1. Install .NET 10.0 Preview 1 SDK from github and add feed
2. Install wasm-experimental workload with below command:
   dotnet workload install wasm-experimental

Note

1. This issue does not repro when installing only Dev 17.13 Preview 3(including 9.0.x sdk)
2. This issue does not repro if I run the command prompt as administrator
3. This issue also repro when install the wasm-tools or maui workload

Expected

The workload can be installed successfully.

Further technical details

• Include the output of dotnet --info

.NET SDK:
 Version:           10.0.100-alpha.1.24623.6
 Commit:            6fbcb37c6f
 Workload version:  10.0.100-manifests.6327884e
 MSBuild version:   17.14.0-preview-24620-02+a71903d96

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.22631
 OS Platform: Windows
 RID:         win-x64
 Base Path:   C:\Program Files\dotnet\sdk\10.0.100-alpha.1.24623.6\

.NET workloads installed:
There are no installed workloads to display.
Configured to use loose manifests when installing new manifests.

Host:
  Version:      10.0.0-alpha.1.24620.10
  Architecture: x64
  Commit:       57ab984bd0

.NET SDKs installed:
  10.0.100-alpha.1.24623.6 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 10.0.0-alpha.2.24623.1 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 10.0.0-alpha.1.24620.10 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
  Microsoft.WindowsDesktop.App 10.0.0-alpha.1.24622.1 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Other architectures found:
  None

Environment variables:
  Not set

global.json file:
  Not found

Learn more:
  https://aka.ms/dotnet/info

Download .NET:
  https://aka.ms/dotnet/download

[vdanche]

Also happens when installing maui workload in CLI using net10.0.100-preview.1.25104.3

[EmilyFeng97]

Verify this issue on the coherent build of .NET 10.0 Preview 1, it still repro when installing wasm-experimental and wasm-tools workloads.
SDK Version: 10.0.100-preview.1.25103.13
Runtimes Version: 10.0.0-preview.1.25080.5

[vdanche]

not repro on 10.0.100-preview.1.25110.2 SDK

[Forgind]

Thanks for confirming @vdanche!