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Merge pull request #3611 from yukariatlas/main

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cgroups: cpuset: fix byte order while parsing cpuset range to bits
This commit is contained in:
Mrunal Patel
2022-10-13 12:19:44 -07:00
committed by GitHub
parent a187c84e42 4a8750d93a
commit 70e3b757c0
4 changed files with 42 additions and 3 deletions
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libcontainer/cgroups/systemd/cpuset.go
+5
View File
@@ -51,5 +51,10 @@ func RangeToBits(str string) ([]byte, error) {
// do not allow empty values
return nil, errors.New("empty value")
}
// fit cpuset parsing order in systemd
for l, r := 0, len(ret)-1; l < r; l, r = l+1, r-1 {
ret[l], ret[r] = ret[r], ret[l]
}
return ret, nil
}
libcontainer/cgroups/systemd/cpuset_test.go
+3 -3
View File
@@ -22,13 +22,13 @@ func TestRangeToBits(t *testing.T) {
{in: "4-7", out: []byte{0xf0}},
{in: "0-7", out: []byte{0xff}},
{in: "0-15", out: []byte{0xff, 0xff}},
{in: "16", out: []byte{1, 0, 0}},
{in: "0-3,32-33", out: []byte{3, 0, 0, 0, 0x0f}},
{in: "16", out: []byte{0, 0, 1}},
{in: "0-3,32-33", out: []byte{0x0f, 0, 0, 0, 3}},
// extra spaces and tabs are ok
{in: "1, 2, 1-2", out: []byte{6}},
{in: " , 1 , 3 , 5-7, ", out: []byte{0xea}},
// somewhat large values
{in: "128-130,1", out: []byte{7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2}},
{in: "128-130,1", out: []byte{2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7}},
{in: "-", isErr: true},
{in: "1-", isErr: true},