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| author | Péter Szilágyi <peterke@gmail.com> | 2018-02-14 05:40:18 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-02-14 05:40:18 +0800 |
| commit | 0544a43c1332871405b260432db4bfe6a591feee (patch) | |
| tree | 5d0cf3714c930223eca67021975417562027c5de | |
| parent | 88f2839da4993ab51c32fef8383136f3addaeb24 (diff) | |
| parent | 20797348ca9d037dc5b7a830bafdfe1ea703eac0 (diff) | |
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Merge pull request #16085 from karalabe/p2p-fix-outofbounds
p2p/discover: fix out-of-bounds issue
| -rw-r--r-- | p2p/discover/table.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/p2p/discover/table.go b/p2p/discover/table.go index 84c54dac1..17c9db777 100644 --- a/p2p/discover/table.go +++ b/p2p/discover/table.go @@ -763,7 +763,7 @@ func (tab *Table) addReplacement(b *bucket, n *Node) { // last entry in the bucket. If 'last' isn't the last entry, it has either been replaced // with someone else or became active. func (tab *Table) replace(b *bucket, last *Node) *Node { - if len(b.entries) >= 0 && b.entries[len(b.entries)-1].ID != last.ID { + if len(b.entries) == 0 || b.entries[len(b.entries)-1].ID != last.ID { // Entry has moved, don't replace it. return nil } |