• Ed Bartosh's avatar
    kubeadm: fix url validation code · afa970c0
    Ed Bartosh authored
    Fixed nil pointer dereference in url validation code that
    caused kubeamd panic:
    
      panic: runtime error: invalid memory address or nil pointer dereference
      [signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0xa7930c]
    
      goroutine 1 [running]:
      kubeadm/validation.ValidateURLs(0x40000bafe0, 0x2, 0x2, 0x1, 0x40002967b0, 0x0, 0x40002967b0, 0xf302a0)
        kubeadm/validation/validation.go:324 +0xcc
      kubeadm/validation.ValidateEtcd(0x400000b490, 0x4000296720, 0x0, 0x0, 0x0)
        kubeadm/validation/validation.go:291 +0x1f0
          ...
    
    Fixes: kubernetes/kubeadm#1419
    Signed-off-by: 's avatarEd Bartosh <eduard.bartosh@intel.com>
    afa970c0
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