p2p: fix array out of bounds issue (#23165)

Evolution404 · web-flow · commit 5afc82de6e61 · 2021-07-06T09:33:51.000+02:00
diff --git a/p2p/peer_error.go b/p2p/peer_error.go
@@ -89,7 +89,7 @@ var discReasonToString = [...]string{
 }
 
 func (d DiscReason) String() string {
-	if len(discReasonToString) < int(d) {
+	if len(discReasonToString) <= int(d) {
 		return fmt.Sprintf("unknown disconnect reason %d", d)
 	}
 	return discReasonToString[d]

Original file line number	Diff line number	Diff line change
`@@ -89,7 +89,7 @@ var discReasonToString = [...]string{`
`89`	`89`	`}`
`90`	`90`
`91`	`91`	`func (d DiscReason) String() string {`
`92`		`- if len(discReasonToString) < int(d) {`
	`92`	`+ if len(discReasonToString) <= int(d) {`
`93`	`93`	`return fmt.Sprintf("unknown disconnect reason %d", d)`
`94`	`94`	`}`
`95`	`95`	`return discReasonToString[d]`