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Fuzzing: Instrument with new sanitizers

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Signed-off-by: AdamKorcz <adam@adalogics.com>
This commit is contained in:
AdamKorcz 2022-09-15 22:39:35 +01:00
parent f4095a6876
commit e7c593edd0
4 changed files with 13 additions and 1 deletions
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2
contrib/fuzz/archive_fuzzer.go
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@ -67,7 +67,7 @@ func FuzzApply(data []byte) int {
// that targets archive.ImportIndex() // that targets archive.ImportIndex()
func FuzzImportIndex(data []byte) int { func FuzzImportIndex(data []byte) int {
f := fuzz.NewConsumer(data) f := fuzz.NewConsumer(data)
tarBytes, err := f.TarBytes() tarBytes, err := f.GetBytes()
if err != nil { if err != nil {
return 0 return 0
} }

2
contrib/fuzz/fuzz_FuzzImportIndex.dict Normal file
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@ -0,0 +1,2 @@
"oci-layout"
"manifest.json"

3
contrib/fuzz/fuzz_FuzzImportIndex.options Normal file
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@ -0,0 +1,3 @@
[libfuzzer]
max_len = 1500000
len_control = 0

7
contrib/fuzz/oss_fuzz_build.sh
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@ -38,6 +38,10 @@ compile_fuzzers() {
done done
} }
# This is from https://github.com/AdamKorcz/instrumentation
cd $SRC/instrumentation
go run main.go $SRC/containerd/images
apt-get update && apt-get install -y wget apt-get update && apt-get install -y wget
cd $SRC cd $SRC
wget --quiet https://go.dev/dl/go1.19.1.linux-amd64.tar.gz wget --quiet https://go.dev/dl/go1.19.1.linux-amd64.tar.gz
@ -89,3 +93,6 @@ sed -i 's/\/run\/containerd-test/\/tmp\/containerd-test/g' $SRC/containerd/integ
cd integration/client cd integration/client
compile_fuzzers '^func FuzzInteg.*data' compile_go_fuzzer vendor compile_fuzzers '^func FuzzInteg.*data' compile_go_fuzzer vendor
cp $SRC/containerd/contrib/fuzz/*.options $OUT/
cp $SRC/containerd/contrib/fuzz/*.dict $OUT/