Merging internal commits for release/9.0#116499
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hoyosjs merged 9 commits intodotnet:release/9.0from Jun 11, 2025
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…rios (COM, C++/CLI, custom component host) could try to load coreclr from CWD There is a fallback for apps with no .deps.json where the host will consider the app directory for loading coreclr. In component hosting scenarios, we do not have an app path / directory. We were incorrectly going down the path of looking for coreclr next to the empty app directory, which resulted in looking in the current directory. This change skips that path for libhost scenarios. It also adds checks that the paths we determine for loading coreclr, hostpolicy, and hostfxr are absolute.
…-merge-9.0-2025-06-10-1320
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Pull Request Overview
This PR merges internal commits for release/9.0, with the primary aim of enforcing that hosting components are loaded only via absolute paths and expanding tests to ensure that components in the working directory are ignored.
- Added absolute path checks for coreclr, hostfxr, and hostpolicy to prevent loading from non-rooted paths.
- Updated deps_resolver logic to conditionally add paths based on host mode and verify the presence of app deps.
- Added new tests in multiple files to confirm that working directory hosting components are not used.
Reviewed Changes
Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| src/native/corehost/hostpolicy/standalone/coreclr_resolver.cpp | Adds an absolute path check on coreclr path before loading. |
| src/native/corehost/hostpolicy/deps_resolver.cpp | Updates condition to avoid processing in libhost scenarios and asserts a non-empty app directory. |
| src/native/corehost/fxr_resolver.h | Adds an absolute path check on hostfxr path. |
| src/native/corehost/fxr/standalone/hostpolicy_resolver.cpp | Adds an absolute path check on hostpolicy path. |
| src/native/corehost/apphost/standalone/hostfxr_resolver.cpp | Adds an absolute path check for hostfxr in apphost context. |
| src/installer/tests/HostActivation.Tests/NativeHosting/NativeHostingResultExtensions.cs | Renames the extension class and adds new fluent assertion extensions for hostfxr, hostpolicy, and coreclr resolution. |
| src/installer/tests/HostActivation.Tests/NativeHosting/LoadAssemblyAndGetFunctionPointer.cs | Adds a test to verify that hosting components in the working directory are ignored. |
| src/installer/tests/HostActivation.Tests/NativeHosting/Ijwhost.cs | Adds a test that validates library loading ignores components from the working directory. |
| src/installer/tests/HostActivation.Tests/NativeHosting/Comhost.cs | Adds a test to ensure that components from the working directory are not utilized. |
This was referenced Jun 11, 2025
hoyosjs
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Jun 11, 2025
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Merging internal commits |
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