Jeremie Fraeys
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7efe8bbfbf
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native: security hardening, research trustworthiness, and CVE mitigations
Security Fixes:
- CVE-2024-45339: Add O_EXCL flag to temp file creation in storage_write_entries()
Prevents symlink attacks on predictable .tmp file paths
- CVE-2025-47290: Use openat_nofollow() in storage_open()
Closes TOCTOU race condition via path_sanitizer infrastructure
- CVE-2025-0838: Add MAX_BATCH_SIZE=10000 to add_tasks()
Prevents integer overflow in batch operations
Research Trustworthiness (dataset_hash):
- Deterministic file ordering: std::sort after collect_files()
- Recursive directory traversal: depth-limited with cycle detection
- Documented exclusions: hidden files and special files noted in API
Bug Fixes:
- R1: storage_init path validation for non-existent directories
- R2: safe_strncpy return value check before strcat
- R3: parallel_hash 256-file cap replaced with std::vector
- R4: wire qi_compact_index/qi_rebuild_index stubs
- R5: CompletionLatch race condition fix (hold mutex during decrement)
- R6: ARMv8 SHA256 transform fix (save abcd_pre before vsha256hq_u32)
- R7: fuzz_index_storage header format fix
- R8: enforce null termination in add_tasks/update_tasks
- R9: use 64 bytes (not 65) in combined hash to exclude null terminator
- R10: status field persistence in save()
New Tests:
- test_recursive_dataset.cpp: Verify deterministic recursive hashing
- test_storage_symlink_resistance.cpp: Verify CVE-2024-45339 fix
- test_queue_index_batch_limit.cpp: Verify CVE-2025-0838 fix
- test_sha256_arm_kat.cpp: ARMv8 known-answer tests
- test_storage_init_new_dir.cpp: F1 verification
- test_parallel_hash_large_dir.cpp: F3 verification
- test_queue_index_compact.cpp: F4 verification
All 8 native tests passing. Library ready for research lab deployment.
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2026-02-21 13:33:45 -05:00 |
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Jeremie Fraeys
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43d241c28d
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feat: implement C++ native libraries for performance-critical operations
- Add arena allocator for zero-allocation hot paths
- Add thread pool for parallel operations
- Add mmap utilities for memory-mapped I/O
- Implement queue_index with heap-based priority queue
- Implement dataset_hash with SIMD support (SHA-NI, ARMv8)
- Add runtime SIMD detection for cross-platform correctness
- Add comprehensive tests and benchmarks
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2026-02-16 20:38:04 -05:00 |
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Jeremie Fraeys
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1de9cc2738
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fix: add missing C++ headers for queue and condition_variable
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2026-02-12 13:56:09 -05:00 |
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Jeremie Fraeys
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d408a60eb1
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ci: push all workflow updates
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2026-02-12 13:28:15 -05:00 |
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