containerd/vendor/github.com/cilium/ebpf/internal/btf/fuzz.go
Akihiro Suda 21a748e381
go.mod: github.com/opencontainers/runc v1.1.0
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
2022-01-18 13:35:22 +09:00

51 lines
851 B
Go

//go:build gofuzz
// +build gofuzz
// Use with https://github.com/dvyukov/go-fuzz
package btf
import (
"bytes"
"encoding/binary"
"github.com/cilium/ebpf/internal"
)
func FuzzSpec(data []byte) int {
if len(data) < binary.Size(btfHeader{}) {
return -1
}
spec, err := loadNakedSpec(bytes.NewReader(data), internal.NativeEndian, nil, nil)
if err != nil {
if spec != nil {
panic("spec is not nil")
}
return 0
}
if spec == nil {
panic("spec is nil")
}
return 1
}
func FuzzExtInfo(data []byte) int {
if len(data) < binary.Size(btfExtHeader{}) {
return -1
}
table := stringTable("\x00foo\x00barfoo\x00")
info, err := parseExtInfo(bytes.NewReader(data), internal.NativeEndian, table)
if err != nil {
if info != nil {
panic("info is not nil")
}
return 0
}
if info == nil {
panic("info is nil")
}
return 1
}