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Merge pull request #12610 from Luap99/cryptorand

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MovePauseProcessToScope do not seed everytime
This commit is contained in:
OpenShift Merge Robot
2021-12-16 20:19:50 +01:00
committed by GitHub
parent 273da42af2 459e784147
commit be6f9ce921
1 changed files with 8 additions and 5 deletions
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13
utils/utils.go
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@ -2,16 +2,15 @@ package utils
import (
"bytes"
"crypto/rand"
"fmt"
"io"
"io/ioutil"
"math/rand"
"os"
"os/exec"
"strconv"
"strings"
"sync"
"time"
"github.com/containers/common/pkg/cgroups"
"github.com/containers/podman/v3/libpod/define"
@ -205,10 +204,14 @@ func moveProcessToScope(pidPath, slice, scope string) error {
func MovePauseProcessToScope(pausePidPath string) {
var err error
state := rand.New(rand.NewSource(time.Now().UnixNano()))
for i := 0; i < 10; i++ {
r := state.Int()
err = moveProcessToScope(pausePidPath, "user.slice", fmt.Sprintf("podman-pause-%d.scope", r))
randBytes := make([]byte, 4)
_, err = rand.Read(randBytes)
if err != nil {
logrus.Errorf("failed to read random bytes: %v", err)
continue
}
err = moveProcessToScope(pausePidPath, "user.slice", fmt.Sprintf("podman-pause-%x.scope", randBytes))
if err == nil {
return
}