diff options
Diffstat (limited to 'runsc/mitigate')
| -rw-r--r-- | runsc/mitigate/mitigate.go | 6 | ||||
| -rw-r--r-- | runsc/mitigate/mitigate_test.go | 66 |
2 files changed, 20 insertions, 52 deletions
diff --git a/runsc/mitigate/mitigate.go b/runsc/mitigate/mitigate.go index 88409af8f..9f29ec873 100644 --- a/runsc/mitigate/mitigate.go +++ b/runsc/mitigate/mitigate.go @@ -159,7 +159,7 @@ func (c ThreadGroup) String() string { func getThreads(data string) ([]Thread, error) { // Each processor entry should start with the // processor key. Find the beginings of each. - r := buildRegex(processorKey, `\d+`) + r := buildRegex(processorKey) indices := r.FindAllStringIndex(data, -1) if len(indices) < 1 { return nil, fmt.Errorf("no cpus found for: %q", data) @@ -437,14 +437,14 @@ func parseIntegerResult(data, key string) (int64, error) { } // buildRegex builds a regex for parsing each CPU field. -func buildRegex(key, match string) *regexp.Regexp { +func buildRegex(key string) *regexp.Regexp { reg := fmt.Sprintf(`(?m)^%s\s*:\s*(.*)$`, key) return regexp.MustCompile(reg) } // parseRegex parses data with key inserted into a standard regex template. func parseRegex(data, key, match string) (string, error) { - r := buildRegex(key, match) + r := buildRegex(key) matches := r.FindStringSubmatch(data) if len(matches) < 2 { diff --git a/runsc/mitigate/mitigate_test.go b/runsc/mitigate/mitigate_test.go index 890c65f05..1a3b880ca 100644 --- a/runsc/mitigate/mitigate_test.go +++ b/runsc/mitigate/mitigate_test.go @@ -126,15 +126,15 @@ bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa coreID: 0, }, bugs: map[string]struct{}{ - "cpu_meltdown": struct{}{}, - "spectre_v1": struct{}{}, - "spectre_v2": struct{}{}, - "spec_store_bypass": struct{}{}, - "l1tf": struct{}{}, - "mds": struct{}{}, - "swapgs": struct{}{}, - "taa": struct{}{}, - "itlb_multihit": struct{}{}, + "cpu_meltdown": {}, + "spectre_v1": {}, + "spectre_v2": {}, + "spec_store_bypass": {}, + "l1tf": {}, + "mds": {}, + "swapgs": {}, + "taa": {}, + "itlb_multihit": {}, }, } @@ -235,13 +235,13 @@ power management: cpuFamily: 6, model: 63, bugs: map[string]struct{}{ - "cpu_meltdown": struct{}{}, - "spectre_v1": struct{}{}, - "spectre_v2": struct{}{}, - "spec_store_bypass": struct{}{}, - "l1tf": struct{}{}, - "mds": struct{}{}, - "swapgs": struct{}{}, + "cpu_meltdown": {}, + "spectre_v1": {}, + "spectre_v2": {}, + "spec_store_bypass": {}, + "l1tf": {}, + "mds": {}, + "swapgs": {}, }, } @@ -334,38 +334,6 @@ cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:` - const cascade = `processor : 0 -vendor_id : GenuineIntel -cpu family : 6 -model : 85 -model name : Intel(R) Xeon(R) CPU -stepping : 7 -microcode : 0x1 -cpu MHz : 2800.198 -cache size : 33792 KB -physical id : 0 -siblings : 2 -core id : 0 -cpu cores : 1 -apicid : 0 -initial apicid : 0 -fpu : yes -fpu_exception : yes -cpuid level : 13 -wp : yes -flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 - ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc cpuid tsc_known_freq pni pclmu -lqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowpr -efetch invpcid_single ssbd ibrs ibpb stibp ibrs_enhanced fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid r -tm mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves a -rat avx512_vnni md_clear arch_capabilities -bugs : spectre_v1 spectre_v2 spec_store_bypass mds swapgs taa -bogomips : 5600.39 -clflush size : 64 -cache_alignment : 64 -address sizes : 46 bits physical, 48 bits virtual -power management:` - const amd = `processor : 0 vendor_id : AuthenticAMD cpu family : 23 @@ -429,7 +397,7 @@ power management:` }() if got != tc.vulnerable { - t.Fatalf("Mismatch vulnerable for cpu %+s: got %t want: %t", tc.name, tc.vulnerable, got) + t.Fatalf("Mismatch vulnerable for cpu %s: got %t want: %t", tc.name, tc.vulnerable, got) } } }) |