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Use testing.F on FuzzParseProcPIDStatus

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Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
This commit is contained in:
Kazuyoshi Kato
2022-06-13 17:09:03 +00:00
parent 04874d51a3
commit 57200edf25
3 changed files with 69 additions and 85 deletions
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124
pkg/cap/cap_linux_test.go
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@@ -17,12 +17,70 @@
package cap
import (
"bytes"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
const procPIDStatus = `Name: cat
Umask: 0022
State: R (running)
Tgid: 170065
Ngid: 0
Pid: 170065
PPid: 170064
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 64
Groups: 0
NStgid: 170065
NSpid: 170065
NSpgid: 170064
NSsid: 3784
VmPeak: 8216 kB
VmSize: 8216 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 676 kB
VmRSS: 676 kB
RssAnon: 72 kB
RssFile: 604 kB
RssShmem: 0 kB
VmData: 324 kB
VmStk: 132 kB
VmExe: 20 kB
VmLib: 1612 kB
VmPTE: 56 kB
VmSwap: 0 kB
HugetlbPages: 0 kB
CoreDumping: 0
THP_enabled: 1
Threads: 1
SigQ: 0/63692
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000000000
SigCgt: 0000000000000000
CapInh: 0000000000000000
CapPrm: 000000ffffffffff
CapEff: 000000ffffffffff
CapBnd: 000000ffffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Seccomp: 0
Speculation_Store_Bypass: thread vulnerable
Cpus_allowed: 00000000,00000000,00000000,0000000f
Cpus_allowed_list: 0-3
Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
Mems_allowed_list: 0
voluntary_ctxt_switches: 0
nonvoluntary_ctxt_switches: 0
`
func TestCapsList(t *testing.T) {
assert.Len(t, caps316, 38)
assert.Len(t, caps58, 40)
@@ -89,62 +147,6 @@ func TestFromBitmap(t *testing.T) {
}
func TestParseProcPIDStatus(t *testing.T) {
procPIDStatus := `Name: cat
Umask: 0022
State: R (running)
Tgid: 170065
Ngid: 0
Pid: 170065
PPid: 170064
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 64
Groups: 0
NStgid: 170065
NSpid: 170065
NSpgid: 170064
NSsid: 3784
VmPeak: 8216 kB
VmSize: 8216 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 676 kB
VmRSS: 676 kB
RssAnon: 72 kB
RssFile: 604 kB
RssShmem: 0 kB
VmData: 324 kB
VmStk: 132 kB
VmExe: 20 kB
VmLib: 1612 kB
VmPTE: 56 kB
VmSwap: 0 kB
HugetlbPages: 0 kB
CoreDumping: 0
THP_enabled: 1
Threads: 1
SigQ: 0/63692
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000000000
SigCgt: 0000000000000000
CapInh: 0000000000000000
CapPrm: 000000ffffffffff
CapEff: 000000ffffffffff
CapBnd: 000000ffffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Seccomp: 0
Speculation_Store_Bypass: thread vulnerable
Cpus_allowed: 00000000,00000000,00000000,0000000f
Cpus_allowed_list: 0-3
Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
Mems_allowed_list: 0
voluntary_ctxt_switches: 0
nonvoluntary_ctxt_switches: 0
`
res, err := ParseProcPIDStatus(strings.NewReader(procPIDStatus))
assert.NoError(t, err)
expected := map[Type]uint64{
@@ -167,3 +169,13 @@ func TestKnown(t *testing.T) {
caps := Known()
assert.EqualValues(t, caps59, caps)
}
func FuzzParseProcPIDStatus(f *testing.F) {
f.Add(procPIDStatus)
f.Fuzz(func(t *testing.T, s string) {
result, err := ParseProcPIDStatus(bytes.NewReader([]byte(s)))
if err != nil && result != nil {
t.Errorf("either %+v or %+v must be nil", result, err)
}
})
}