A high-throughput and memory-efficient inference and serving engine for LLMs
Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git
Synced Nov 15, 06:00 UTC
[Security] Prevent new imports of (cloud)pickle (#18018)
Signed-off-by: Russell Bryant <rbryant@redhat.com> Co-authored-by: Aaron Pham <Aaronpham0103@gmail.com>
Russell Bryant committed
Jun 12, 2025 at 06:30 UTC
4f6c42fa0aad0846ae01088f397e92b43edf8aa0
2 files changed
+159
.pre-commit-config.yaml
+7
@@ -143,6 +143,13 @@ repos:
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types: [python]
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pass_filenames: false
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additional_dependencies: [regex]
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+ - id: check-pickle-imports
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+ name: Prevent new pickle/cloudpickle imports
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+ entry: python tools/check_pickle_imports.py
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+ language: python
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+ types: [python]
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+ pass_filenames: false
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+ additional_dependencies: [pathspec, regex]
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# Keep `suggestion` last
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- id: suggestion
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name: Suggestion
tools/check_pickle_imports.py
new
+152
@@ -0,0 +1,152 @@
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+#!/usr/bin/env python3
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+# SPDX-License-Identifier: Apache-2.0
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+import os
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+import sys
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+
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+import regex as re
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+
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+try:
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+ import pathspec
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+except ImportError:
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+ print(
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+ "ERROR: The 'pathspec' library is required. "
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+ "Install it with 'pip install pathspec'.",
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+ file=sys.stderr)
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+ sys.exit(2)
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+
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+# List of files (relative to repo root) that are allowed to import pickle or
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+# cloudpickle
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+#
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+# STOP AND READ BEFORE YOU ADD ANYTHING ELSE TO THIS LIST:
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+# The pickle and cloudpickle modules are known to be unsafe when deserializing
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+# data from potentially untrusted parties. They have resulted in multiple CVEs
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+# for vLLM and numerous vulnerabilities in the Python ecosystem more broadly.
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+# Before adding new uses of pickle/cloudpickle, please consider safer
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+# alternatives like msgpack or pydantic that are already in use in vLLM. Only
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+# add to this list if absolutely necessary and after careful security review.
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+ALLOWED_FILES = set([
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+ # pickle
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+ 'vllm/utils.py',
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+ 'vllm/v1/serial_utils.py',
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+ 'vllm/v1/executor/multiproc_executor.py',
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+ 'vllm/multimodal/hasher.py',
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+ 'vllm/transformers_utils/config.py',
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+ 'vllm/model_executor/models/registry.py',
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+ 'tests/test_utils.py',
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+ 'tests/tokenization/test_cached_tokenizer.py',
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+ 'tests/model_executor/test_guided_processors.py',
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+ 'vllm/distributed/utils.py',
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+ 'vllm/distributed/parallel_state.py',
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+ 'vllm/engine/multiprocessing/client.py',
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+ 'vllm/distributed/device_communicators/custom_all_reduce_utils.py',
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+ 'vllm/distributed/device_communicators/shm_broadcast.py',
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+ 'vllm/engine/multiprocessing/engine.py',
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+ 'benchmarks/kernels/graph_machete_bench.py',
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+ 'benchmarks/kernels/benchmark_lora.py',
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+ 'benchmarks/kernels/benchmark_machete.py',
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+ 'benchmarks/fused_kernels/layernorm_rms_benchmarks.py',
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+ 'benchmarks/cutlass_benchmarks/w8a8_benchmarks.py',
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+ 'benchmarks/cutlass_benchmarks/sparse_benchmarks.py',
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+ # cloudpickle
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+ 'vllm/worker/worker_base.py',
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+ 'vllm/executor/mp_distributed_executor.py',
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+ 'vllm/executor/ray_distributed_executor.py',
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+ 'vllm/entrypoints/llm.py',
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+ 'tests/utils.py',
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+ # pickle and cloudpickle
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+ 'vllm/utils.py',
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+ 'vllm/v1/serial_utils.py',
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+ 'vllm/v1/executor/multiproc_executor.py',
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+ 'vllm/transformers_utils/config.py',
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+ 'vllm/model_executor/models/registry.py',
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+ 'vllm/engine/multiprocessing/client.py',
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+ 'vllm/engine/multiprocessing/engine.py',
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+])
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+
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+PICKLE_RE = re.compile(r"^\s*(import\s+(pickle|cloudpickle)(\s|$|\sas)"
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+ r"|from\s+(pickle|cloudpickle)\s+import\b)")
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+
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+
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+def is_python_file(path):
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+ return path.endswith('.py')
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+
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+
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+def scan_file(path):
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+ with open(path, encoding='utf-8') as f:
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+ for line in f:
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+ if PICKLE_RE.match(line):
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+ return True
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+ return False
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+
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+
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+def load_gitignore(repo_root):
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+ gitignore_path = os.path.join(repo_root, '.gitignore')
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+ patterns = []
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+ if os.path.exists(gitignore_path):
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+ with open(gitignore_path, encoding='utf-8') as f:
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+ patterns = f.read().splitlines()
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+ # Always ignore .git directory
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+ patterns.append('.git/')
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+ return pathspec.PathSpec.from_lines('gitwildmatch', patterns)
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+
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+
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+def main():
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+ repo_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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+ spec = load_gitignore(repo_root)
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+ bad_files = []
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+ for dirpath, _, filenames in os.walk(repo_root):
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+ for filename in filenames:
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+ if not is_python_file(filename):
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+ continue
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+ abs_path = os.path.join(dirpath, filename)
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+ rel_path = os.path.relpath(abs_path, repo_root)
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+ # Skip ignored files
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+ if spec.match_file(rel_path):
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+ continue
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+ if scan_file(abs_path) and rel_path not in ALLOWED_FILES:
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+ bad_files.append(rel_path)
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+ if bad_files:
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+ print("\nERROR: The following files import 'pickle' or 'cloudpickle' "
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+ "but are not in the allowed list:")
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+ for f in bad_files:
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+ print(f" {f}")
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+ print("\nIf this is intentional, update the allowed list in "
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+ "tools/check_pickle_imports.py.")
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+ sys.exit(1)
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+ sys.exit(0)
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+
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+
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+def test_regex():
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+ test_cases = [
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+ # Should match
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+ ("import pickle", True),
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+ ("import cloudpickle", True),
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+ ("import pickle as pkl", True),
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+ ("import cloudpickle as cpkl", True),
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+ ("from pickle import *", True),
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+ ("from cloudpickle import dumps", True),
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+ ("from pickle import dumps, loads", True),
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+ ("from cloudpickle import (dumps, loads)", True),
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+ (" import pickle", True),
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+ ("\timport cloudpickle", True),
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+ ("from pickle import loads", True),
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+ # Should not match
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+ ("import somethingelse", False),
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+ ("from somethingelse import pickle", False),
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+ ("# import pickle", False),
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+ ("print('import pickle')", False),
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+ ("import pickleas as asdf", False),
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+ ]
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+ for i, (line, should_match) in enumerate(test_cases):
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+ result = bool(PICKLE_RE.match(line))
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+ assert result == should_match, (
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+ f"Test case {i} failed: '{line}' "
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+ f"(expected {should_match}, got {result})")
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+ print("All regex tests passed.")
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+
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+
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+if __name__ == '__main__':
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+ if '--test-regex' in sys.argv:
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+ test_regex()
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+ else:
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+ main()