fix(detector): direction coverage — RUNTIME_PACKAGE_INSTALL extension#27
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KernelGuard Blue Evaluation
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…dbox violations Targets red #129 (Runtime sandbox violation): import os def custom_kernel(data): try: os.popen('hostname').read() except Exception: pass return data.clone() The existing detect_dynamic_execution Call-walking pass already recognises func_name forms like 'os.popen' (built from '<Name>.<Attribute>'). Add a small additional branch that flags this class of calls — process spawn, shell exec, network — and emits the existing RUNTIME_PACKAGE_INSTALL pattern (sandbox_violation family, AUTO_FILTER). Real compute kernels do not need: os.popen / os.system / subprocess.{run,call,check_call,check_output,Popen} / socket.{socket,create_connection} The 20 production nvfp4 false-positive cases are pure tensor compute via Triton or CUTLASS — none of them call any of the above.
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Thanks for the KernelGuard Flywheel Campaign contribution. This PR is now superseded by the consolidated rule-family implementation in #273, which folds this detector coverage together with the related passing-eval variants. |
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Summary
Targets KG red #129 under "Direction — Runtime sandbox violation". Coverage example for the previously-empty direction; the red was submitted via the direct API path and is currently
red_accepted: 1on the live leaderboard.Targets red #129 (os.popen/os.system/subprocess/socket calls).
This blue: RUNTIME_PACKAGE_INSTALL extension.
Local verification
Patch was verified locally against a corpus that exercises:
plain_kernel,workspace_lazy,shape_dispatch,config_lookup,triton_jit_kernel) — all stay validKernelGuard-Red-Submission: 129