fix 78(exp): support containerd and other linux path

pkg/exploit/mount_procfs.go

@@ -31,17 +31,15 @@ import (
 	"regexp"
 )
 
-//https://wohin.me/rong-qi-tao-yi-gong-fang-xi-lie-yi-tao-yi-ji-zhu-gai-lan/
-
 func GetDockerAbsPath() string {
 	data, err := ioutil.ReadFile("/proc/self/mounts")
 	if err != nil {
 		log.Println(err)
 	}
-	//fmt.Println(string(data))
 
-	// workdir=/var/lib/docker/overlay2/9383b939bf4ed66b3f01990664d533f97f1cf9c544cb3f3d2830fe97136eb76f/work
-	pattern := regexp.MustCompile("workdir=([\\w\\d/]+)/work")
+	// example 1: workdir=/var/lib/docker/overlay2/9383b939bf4ed66b3f01990664d533f97f1cf9c544cb3f3d2830fe97136eb76f/work -> /data/docker/overlay2/f5aa028c48864dd7fefdd00230e6a6954d9292fdcc4e5f80575d186590ff6b5c
+	// example 2: workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/4301/work -> /var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/4301
+	pattern := regexp.MustCompile(`workdir=((/[^/ ]+)+)/work`)
 	params := pattern.FindStringSubmatch(string(data))
 	if len(params) < 2 {
 		log.Fatal("failed to find docker abs path in /proc/self/mounts")