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Merged
pull merged 3 commits into from
Jul 9, 2026
Merged

[pull] master from google:master #172

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91233b9
Update Rust toolchain used in Wasmtime (#15859)
alexcrichton Jul 9, 2026
4e37639
symphonia: Add per-format fuzzing dictionaries (#15853)
baylesj Jul 9, 2026
222bde7
libyang: build all upstream fuzz targets (#15837)
BeaCox Jul 9, 2026
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7 changes: 6 additions & 1 deletion projects/libyang/build.sh
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Expand Up @@ -23,10 +23,15 @@ make

static_pcre=($(find /src/pcre2 -name "libpcre2-8.a"))

for fuzzer in lyd_parse_mem_json lyd_parse_mem_xml lys_parse_mem; do
for fuzzer in lys_parse_mem lyd_parse_mem_xml lyd_parse_mem_json lyd_parse_lyb lyd_parse_schema_mount_xml yang_parse_module; do
$CC $CFLAGS -c ../tests/fuzz/${fuzzer}.c -I./libyang -I./compat
$CXX $CXXFLAGS $LIB_FUZZING_ENGINE ${fuzzer}.o -o $OUT/${fuzzer} \
./libyang.a ${static_pcre}

if [[ -d ../tests/fuzz/corpus/${fuzzer} ]]; then
find ../tests/fuzz/corpus/${fuzzer} -type f -exec \
zip -qj $OUT/${fuzzer}_seed_corpus.zip {} +
fi
done

# Build test
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1 change: 1 addition & 0 deletions projects/symphonia/Dockerfile
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Expand Up @@ -19,3 +19,4 @@ RUN git clone https://github.com/pdeljanov/Symphonia $SRC/symphonia
WORKDIR $SRC/symphonia/symphonia

COPY build.sh $SRC/
COPY dicts/ $SRC/dicts/
9 changes: 9 additions & 0 deletions projects/symphonia/build.sh
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Expand Up @@ -23,4 +23,13 @@ cargo fuzz build -O

cargo fuzz list | while read -r target; do
cp "fuzz/target/x86_64-unknown-linux-gnu/release/$target" "$OUT/"

# ClusterFuzz automatically uses $OUT/<target>.dict if present. Dictionaries
# are keyed by format: the part of the target name after the first underscore
# (decode_mpa -> mpa.dict, demux_mkv -> mkv.dict). Raw-sample decoders
# (pcm, adpcm, alac, aac) have no syntax to tokenize and ship no dictionary.
format="${target#*_}"
if [ -f "$SRC/dicts/$format.dict" ]; then
cp "$SRC/dicts/$format.dict" "$OUT/$target.dict"
fi
done
44 changes: 44 additions & 0 deletions projects/symphonia/dicts/aiff.dict
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@@ -0,0 +1,44 @@
# IFF container structure
"FORM"
"AIFF"
"AIFC"
"FVER"
# Chunk identifiers
"COMM"
"SSND"
"MARK"
"COMT"
"ANNO"
"NAME"
"AUTH"
"APPL"
"ID3 "
# AIFF-C compression types
"NONE"
"none"
"sowt"
"SOWT"
"twos"
"TWOS"
"raw "
"RAW "
"in24"
"IN24"
"in32"
"IN32"
"23ni"
"23NI"
"fl32"
"FL32"
"fl64"
"FL64"
"ulaw"
"ULAW"
"alaw"
"ALAW"
"ima4"
"MAC3"
"MAC6"
"pdos"
# Common COMM chunk size (18 bytes, big-endian)
comm_size="\x00\x00\x00\x12"
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