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test: remove duplicated DNS test coverage#14522

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benhillis merged 2 commits intomasterfrom
user/benhill/dns_test_coverage
Mar 25, 2026
Merged

test: remove duplicated DNS test coverage#14522
benhillis merged 2 commits intomasterfrom
user/benhill/dns_test_coverage

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This coverage is duplicated by the VerifyDnsResolutionDig helper.

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Pull request overview

This PR removes redundant DNS “dig” IPv6 test coverage from the Windows test suite, relying instead on the existing VerifyDnsResolutionDig helper to cover both IPv4 and IPv6 resolution paths.

Changes:

  • Removed the VerifyDnsResolutionDigV6 helper and the VirtioProxy-specific DnsResolutionDigV6* test methods that duplicated coverage.
  • Fixed the formatting of a command failure message so adjacent string literals don’t concatenate without spaces.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File Description
test/windows/NetworkTests.cpp Removes duplicated IPv6 dig DNS resolution helper and associated VirtioProxy tests.
test/windows/Common.cpp Adjusts the command failure error message formatting to include missing spaces.

@benhillis benhillis merged commit 2b51002 into master Mar 25, 2026
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benhillis added a commit that referenced this pull request Mar 27, 2026
* test: enable virtiofs tests and enable WSLG during testing (#14387)

* test: enable virtiofs tests and enable WSLG during testing

* test fix

---------

Co-authored-by: Ben Hillis <[email protected]>

* chore(distributions): Almalinux auto-update - 20260311 14:52:02 (#14404)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Fix CVE-2026-26127: bump .NET runtime from 10.0.0 to 10.0.4 (#14421)

Addresses Dependabot alerts #10 and #11. The Microsoft.NETCore.App.Runtime
packages (win-x64 and win-arm64) at version 10.0.0 are vulnerable to a
denial of service via out-of-bounds read when decoding malformed Base64Url
input (CVSS 7.5 High). Bumped to 10.0.4 which includes the fix.

Co-authored-by: Ben Hillis <[email protected]>

* Notice change from build: 141806547 (#14423)

Co-authored-by: WSL notice <[email protected]>

* Ship initrd.img in MSI using build-time generation via powershell script (#14424)

* Ship initrd.img in MSI using build-time generation via tar.exe

Replace the install-time CreateInitrd/RemoveInitrd custom actions with a
build-time step that generates initrd.img using the Windows built-in
tar.exe (libarchive/bsdtar) and ships it directly in the MSI.

The install-time approach had a race condition: wsl.exe could launch
before the CreateInitrd custom action completed, causing
ERROR_FILE_NOT_FOUND for initrd.img.

Changes:
- Add CMake custom command to generate initrd.img via tar.exe --format=newc
- Add initrd.img as a regular file in the MSI tools component
- Remove CreateInitrd/RemoveInitrd custom actions from WiX, DllMain,
  and wslinstall.def
- Remove CreateCpioInitrd helper and its tests (no longer needed)
- Update pipeline build targets to build initramfs instead of init

* pr feedback

* more pr feedback

* switch to using a powershell script instead of tar.exe

* powershell script feedback

* hopefully final pr feedback

---------

Co-authored-by: Ben Hillis <[email protected]>

* virtiofs: update logic so querying virtiofs mount source does not require a call to the service (#14380)

* virtiofs: update logic so querying virtiofs mount source does not require a call to the service

* more pr feedback

* use std::filesystem::read_symlink

* pr feedback and use canonical path in virtiofs symlink

* make sure canonical path is always used

---------

Co-authored-by: Ben Hillis <[email protected]>

* virtio networking: add support for ipv6 (#14350)

* VirtioProxy: Add IPv6 address, gateway, and route support

- Add PreferredIpv6Address field and GetBestGatewayV6* methods to NetworkSettings
- Extend GetHostEndpointSettings() to discover IPv6 unicast address and gateway
- Add UpdateIpv6Address() using ModifyGuestEndpointSettingRequest<IPAddress>
- Push IPv6 default route to guest via UpdateDefaultRoute(AF_INET6)
- Remove AF_INET6 early return in ModifyOpenPorts, use INETADDR_PORT()
- Add EndpointRoute::DefaultRoute() static factory
- Pass client_ip_ipv6 in devicehost options (not yet parsed by devicehost)
- Remove gateway_ip from devicehost options (only needed for DHCP)
- Include IPv6 DNS servers in non-tunneling DNS settings
- Add ConfigurationV6 and DnsResolutionAAAA tests

* cleanup and add more ipv6 tests

* added test coverage and minor updates

* clang format

* pr feedback

* format source

* pr feedback

* test fixes

---------

Co-authored-by: Ben Hillis <[email protected]>

* Track `bind` syscall when port is 0 (#14333)

* Initial work

* .

* pr feedback and add unit test

* minor tweaks an fix use after free in logging statement

* implement PR feedback

* hopefully final pr feedback

* pr feedback in test function

* Address PR feedback: add try/catch to TrackPort and PortZeroBind queue push

---------

Co-authored-by: Ben Hillis <[email protected]>

* Add iptables to list of apps to install in WSL (#14459)

There were instructions already on how to install tcpdump in WSL, but
iptables are also needed for the log collection to be complete, so this
PR adds instructions on how to also install iptables.

Co-authored-by: Andre Muezerie <[email protected]>

* Update Microsoft.WSL.DeviceHost to version 1.1.39-0 (#14460)

Co-authored-by: Ben Hillis <[email protected]>

* Moves all Ubuntu distros to the tar-based format (#14463)

* Move all supported Ubuntu images to the new format

We backported the build pipeline so all current LTSes come out in the new tar-based format

* Remove the appx based distros

All WSL users can run tar-based distros by now, right?
There is no benefit in maintaining both formats.

* Enable DNS tunneling for VirtioProxy networking mode (#14461)

- Allow VirtioProxy to keep EnableDnsTunneling=true in config, but clear
  socket-specific options (BestEffortDnsParsing, DnsTunnelingIpAddress)
- Suppress dedicated DNS tunneling hvsocket for VirtioProxy; tunneling
  is handled through the VirtioNetworking device host instead
- Set DnsTunneling flag on VirtioNetworkingFlags so the device host
  knows to tunnel DNS
- Expand SWIOTLB kernel cmdline to cover VirtioFs and VirtioProxy
- Bump DeviceHost package to 1.1.39-0
- Add VirtioProxy DNS test coverage for tunneling on/off
- Skip GuestPortIsReleasedV6 on Windows 10

Co-authored-by: Ben Hillis <[email protected]>

* test: disable LoopbackExplicit due to OS build 29555 regression (#14477)

Co-authored-by: Ben Hillis <[email protected]>

* Refactor: trim unnecessary DLL deps from COMMON_LINK_LIBRARIES (#14426)

* Refactor: trim unnecessary DLL deps from COMMON_LINK_LIBRARIES

- Split MSI/Wintrust install functions from wslutil.cpp into install.cpp
- Remove MI.lib, wsldeps.lib, msi.lib, Wintrust.lib, computecore.lib,
  computenetwork.lib, Iphlpapi.lib from COMMON_LINK_LIBRARIES
- Add per-target MSI_LINK_LIBRARIES, HCS_LINK_LIBRARIES, SERVICE_LINK_LIBRARIES
- Delay-load msi.dll and WINTRUST.dll for wsl.exe and wslg.exe
- Result: wslhost, wslrelay, wslcsdk, testplugin lose msi/wintrust startup imports;
  wsl.exe and wslg.exe defer msi/wintrust loading until actually needed;
  wslservice is the only target that imports computecore/computenetwork/Iphlpapi

* minor fixes to install.cpp that were caught during PR

* move to wsl::windows::common::install namespace

---------

Co-authored-by: Ben Hillis <[email protected]>

* Fix wsl stuck when misconfigured cifs mount presents (#14466)

* detach terminal before running mount -a

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <[email protected]>

* use _exit on error before execv in child process to avoid unintentional resource release

* Add regression test

* Fix clang format issue

* fix all clang format issue

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <[email protected]>

* resolve ai comments

* move test to unit test

* Fix string literal

* Overwrite fstab to resolve pipeline missing file issue

---------

Co-authored-by: Feng Wang <[email protected]>
Co-authored-by: Copilot Autofix powered by AI <[email protected]>

* Update localization and notice scripts to target the branch that the pipeline is running on (#14492)

* test: Add arm64 test distro support (#14500)

* test: Add arm64 test distro support

* update unit test baseline

* more test baseline updates

---------

Co-authored-by: Ben Hillis <[email protected]>

* test: remove duplicated DNS test coverage (#14522)

* test: remove duplicated DNS test coverage

* format source

---------

Co-authored-by: Ben Hillis <[email protected]>

* Fix: Fail and warn the user when --uninstall is given parameters (#14524)

Fail and warn the user when --uninstall is given parameters.

* Localization change from build: 142847827 (#14525)

Co-authored-by: WSL localization <[email protected]>

* virito net: revert to previous DNS behavior while we debug an issue with DNS over TCP (#14532)

Co-authored-by: Ben Hillis <[email protected]>

* devicehost: update to latest devicehost nuget with tracing improvements (#14531)

Co-authored-by: Ben Hillis <[email protected]>

* fix merge issues

---------

Co-authored-by: Ben Hillis <[email protected]>
Co-authored-by: AlmaLinux Autobot <[email protected]>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Blue <[email protected]>
Co-authored-by: WSL notice <[email protected]>
Co-authored-by: Daman Mulye <[email protected]>
Co-authored-by: Andre Muezerie <[email protected]>
Co-authored-by: Andre Muezerie <[email protected]>
Co-authored-by: Carlos Nihelton <[email protected]>
Co-authored-by: Feng Wang <[email protected]>
Co-authored-by: Feng Wang <[email protected]>
Co-authored-by: Copilot Autofix powered by AI <[email protected]>
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3 participants