FastSync

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TapTap eb8651e3d5 fix: address PR review — fuzz target fixes, UBSan, CI improvements

Critical fixes:
- Add missing #include <string.h> to 5 fuzz targets (wouldn't compile with GCC14+/Clang16+)
- Fix fuzz_metadata_from_buf.c OOB read: guard size >= sizeof(int) + FILE_METADATA_WIRE_SIZE
- Add Clang compiler check for ENABLE_FUZZ in CMakeLists.txt (fail fast at configure time)
- Add fuzz-build CI job (install clang, build all 6 fuzz targets with ENABLE_FUZZ=ON)

Warning fixes:
- Add UBSan to sanitizer CI matrix (address + undefined)
- Remove tautological test_property_glob_consistency (pure/deterministic function)
- Use fixed seed srand(42) instead of srand(time(NULL)) for reproducible property tests
- Add valid-header + truncated-instructions delta robustness test (exercises instruction-loop error paths)
- Fix lcov --remove to exclude '*/_deps/*' (xxhash coverage pollution)
- Add comment explaining FASTSYNC_UNDER_VALGRIND skip in test_file.c
- Update .gitignore for build-*/ directories

2026-07-20 14:44:41 +02:00

fuzz_chunk_deserialize.c

fix: address PR review — fuzz target fixes, UBSan, CI improvements

2026-07-20 14:44:41 +02:00

fuzz_compress_decompress.c

fix: address PR review — fuzz target fixes, UBSan, CI improvements

2026-07-20 14:44:41 +02:00

fuzz_delta_deserialize.c

fix: address PR review — fuzz target fixes, UBSan, CI improvements

2026-07-20 14:44:41 +02:00

fuzz_delta_signature_deserialize.c

fix: address PR review — fuzz target fixes, UBSan, CI improvements