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check fields len in dns.go

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This commit is contained in:
Chen Peng 2017-08-14 11:53:40 +08:00
parent 854da227d3
commit 03a6ffda52
1 changed files with 1 additions and 1 deletions
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2
core/pkg/net/dns/dns.go
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@ -42,7 +42,7 @@ func GetSystemNameServers() ([]net.IP, error) {
continue continue
} }
fields := strings.Fields(trimmed) fields := strings.Fields(trimmed)
if len(fields) == 0 { if len(fields) < 2 {
continue continue
} }
if fields[0] == "nameserver" { if fields[0] == "nameserver" {