1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright 2019 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package vcs
import (
"fmt"
"github.com/google/syzkaller/pkg/debugtracer"
"github.com/google/syzkaller/pkg/report/crash"
"github.com/google/syzkaller/sys/targets"
)
type testos struct {
*gitRepo
}
var _ ConfigMinimizer = new(testos)
func newTestos(dir string, opts []RepoOpt) *testos {
return &testos{
gitRepo: newGitRepo(dir, nil, opts),
}
}
func (ctx *testos) PreviousReleaseTags(commit, compilerType string) ([]string, error) {
return ctx.gitRepo.previousReleaseTags(commit, false, false, false)
}
func (ctx *testos) EnvForCommit(
defaultCompiler, compilerType, binDir, commit string, kernelConfig []byte,
backports []BackportCommit,
) (*BisectEnv, error) {
return &BisectEnv{KernelConfig: kernelConfig}, nil
}
func (ctx *testos) Minimize(target *targets.Target, original, baseline []byte, types []crash.Type,
dt debugtracer.DebugTracer, pred func(test []byte) (BisectResult, error)) ([]byte, error) {
if len(baseline) == 0 {
return original, nil
}
if res, err := pred(baseline); err != nil {
return nil, err
} else if res == BisectBad {
return baseline, nil
}
switch string(baseline) {
case "minimize-fails":
return nil, fmt.Errorf("minimization failure")
case "minimize-succeeds":
config := []byte("new-minimized-config")
pred(config)
return config, nil
default:
return original, nil
}
}
func (ctx *testos) PrepareBisect() error {
return nil
}
|
