buildLinux: passthru by <pkg>.overrideAttrs instead of lib.extendDerivation

    config = { CONFIG_MODULES = "y"; CONFIG_FW_LOADER = "m"; } // lib.optionalAttrs withRust { CONFIG_RUST = "y"; };

  } // lib.optionalAttrs (modDirVersion != null) { inherit modDirVersion; });

  passthru = basicArgs // {

in

kernel.overrideAttrs (finalAttrs: previousAttrs: {

  passthru = previousAttrs.passthru or { } // basicArgs // {

    features = kernelFeatures;

    inherit commonStructuredConfig structuredExtraConfig extraMakeFlags isZen isHardened isLibre;

    isXen = lib.warn "The isXen attribute is deprecated. All Nixpkgs kernels that support it now have Xen enabled." true;

      ]);

    });

    passthru = kernel.passthru // (removeAttrs passthru [ "passthru" ]);

    tests = let

      overridableKernel = finalKernel // {

      overridableKernel = finalAttrs.finalPackage // {

        override = args:

          lib.warn (

            "override is stubbed for NixOS kernel tests, not applying changes these arguments: "

    in [ (nixosTests.kernel-generic.passthru.testsForKernel overridableKernel) ] ++ kernelTests;

  };

  finalKernel = lib.extendDerivation true passthru kernel;

in finalKernel

})