Exemplo n.º 1
0
func addInput(inp RpcInput) {
	corpusMu.Lock()
	defer corpusMu.Unlock()
	coverMu.Lock()
	defer coverMu.Unlock()

	if noCover {
		panic("should not be called when coverage is disabled")
	}
	p, err := prog.Deserialize(inp.Prog)
	if err != nil {
		panic(err)
	}
	if inp.CallIndex < 0 || inp.CallIndex >= len(p.Calls) {
		panic("bad call index")
	}
	call := p.Calls[inp.CallIndex].Meta
	sig := hash(inp.Prog)
	if _, ok := corpusHashes[sig]; ok {
		return
	}
	cov := cover.Canonicalize(inp.Cover)
	diff := cover.Difference(cov, maxCover[call.CallID])
	diff = cover.Difference(diff, flakes)
	if len(diff) == 0 {
		return
	}
	corpus = append(corpus, p)
	corpusCover[call.CallID] = cover.Union(corpusCover[call.CallID], cov)
	maxCover[call.CallID] = cover.Union(maxCover[call.CallID], cov)
	corpusHashes[hash(inp.Prog)] = struct{}{}
}
Exemplo n.º 2
0
func addInput(inp RpcInput) {
	p, err := prog.Deserialize(inp.Prog)
	if err != nil {
		panic(err)
	}
	if inp.CallIndex < 0 || inp.CallIndex >= len(p.Calls) {
		panic("bad call index")
	}
	call := p.Calls[inp.CallIndex].Meta
	sig := hash(inp.Prog)
	if _, ok := corpusHashes[sig]; ok {
		return
	}
	cov := cover.Canonicalize(inp.Cover)
	diff := cover.Difference(cov, maxCover[call.CallID])
	diff = cover.Difference(diff, flakes)
	if len(diff) == 0 {
		return
	}
	inp1 := Input{p, inp.CallIndex, cov}
	corpus = append(corpus, inp1)
	corpusCover[call.CallID] = cover.Union(corpusCover[call.CallID], cov)
	maxCover[call.CallID] = cover.Union(maxCover[call.CallID], cov)
	corpusHashes[hash(inp.Prog)] = struct{}{}
}
Exemplo n.º 3
0
func (mgr *Manager) uniqueCover(perCall bool) cover.Cover {
	totalCover := make(map[uint32]int)
	callCover := make(map[string]map[uint32]bool)
	for _, inp := range mgr.corpus {
		if perCall && callCover[inp.Call] == nil {
			callCover[inp.Call] = make(map[uint32]bool)
		}
		for _, pc := range inp.Cover {
			if perCall {
				if callCover[inp.Call][pc] {
					continue
				}
				callCover[inp.Call][pc] = true
			}
			totalCover[pc]++
		}
	}
	var cov cover.Cover
	for pc, count := range totalCover {
		if count == 1 {
			cov = append(cov, pc)
		}
	}
	cover.Canonicalize(cov)
	return cov
}