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packStructValue: fix a overflow in NSEC packing

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This commit is contained in:
Filippo Valsorda 2015-08-05 00:18:02 +01:00
parent b5133fead4
commit 0df69faa6e
1 changed files with 1 additions and 1 deletions
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2
msg.go
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@ -785,7 +785,7 @@ func packStructValue(val reflect.Value, msg []byte, off int, compression map[str
}
length = (t - window*256) / 8
bit := t - (window * 256) - (length * 8)
if off+2+int(length) > lenmsg {
if off+2+int(length)+1 > lenmsg {
return lenmsg, &Error{err: "overflow packing nsecx bitmap"}
}