[pull] master from google:master#172
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Keeping things up-to-date to avoid falling too far behind
Follow-up to #15848, adding dictionaries for 11 of the 15 fuzz targets, copied to `$OUT/<target>.dict` so ClusterFuzz picks them up automatically. - **mkv, isomp4, ogg, wav, mpa**: merged from the [google/fuzzing dictionaries](https://github.com/google/fuzzing/tree/master/dictionaries) (matroska+webm, mp4+mov, ogg, wav, mp3), with Symphonia-specific additions (Opus/Vorbis/FLAC Ogg mapping signatures, MP1/MP2 frame sync codes). - **flac, vorbis, aiff, caf**: hand-written from the constants in Symphonia's parsers (chunk IDs, header signatures, AIFF-C compression types, CAF format IDs). - **any**: merged superset for the probe-based `decode_any` target. The raw-sample decoders (pcm, adpcm, alac, aac) have no byte-level syntax to tokenize and intentionally get no dictionary. All 10 files were validated with libFuzzer's `-dict=` parser (2,691 entries total, no parse errors).
Summary: - build every fuzz target available in upstream libyang after CESNET/libyang#2537 - add the new LYB and schema-mount XML fuzz targets to OSS-Fuzz - package upstream per-target fuzz regression corpora as OSS-Fuzz seed corpora when present Testing: - bash -n projects/libyang/build.sh - git diff --check - python3 infra/helper.py build_fuzzers --sanitizer address libyang was started locally; Docker dependency installation completed, but the image build stalled while cloning CESNET/libyang and was interrupted before completion. Co-authored-by: BeaCox <0xbeac@gmail.com>
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