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index: fix another Uvarint() return check 

Signed-off-by: Simon Pasquier <spasquie@redhat.com>
This commit is contained in:
Simon Pasquier 2018-06-08 14:42:24 +02:00
parent ee5fe8ea9f
commit e8fc6c8774
1 changed files with 2 additions and 2 deletions
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4
index/index.go
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@ -740,8 +740,8 @@ func (r *Reader) decbufUvarintAt(off int) decbuf {
b := r.b.Range(off, off+binary.MaxVarintLen32)
l, n := binary.Uvarint(b)
if n > binary.MaxVarintLen32 {
return decbuf{e: errors.New("invalid uvarint")}
if n <= 0 || n > binary.MaxVarintLen32 {
return decbuf{e: errors.Errorf("invalid uvarint %d", n)}
}
if r.b.Len() < off+n+int(l)+4 {