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Avoid slice bounds out of range #110

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Avoid slice bounds out of range #110

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3 changes: 3 additions & 0 deletions adv.go
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,9 @@ func (a *Advertisement) unmarshall(b []byte) error {
if len(b) < int(1+l) {
return errors.New("invalid advertise data")
}
if l <= 2 {
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should be

if l < 2

else all advertisements are ignored.

return errors.New("invalid advertise data (l<=2)")
}
d := b[2 : 1+l]
switch t {
case typeFlags:
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