ssh: handle error from prepareKeyChange.

Fixes #18850. Change-Id: Id3ae89233f9e95ec3238462bf2ecda3e0c515f88 Reviewed-on: https://go-review.googlesource.com/36051 Run-TryBot: Han-Wen Nienhuys <[email protected]> TryBot-Result: Gobot Gobot <[email protected]> Reviewed-by: Adam Langley <[email protected]>
kokh4058 · Mar 30, 2017 · 9d2d6c1 · 9d2d6c1
1 parent e4e2799
commit 9d2d6c1
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ssh/handshake.go b/ssh/handshake.go
@@ -574,7 +574,9 @@ func (t *handshakeTransport) enterKeyExchange(otherInitPacket []byte) error {
 	}
 	result.SessionID = t.sessionID
 
-	t.conn.prepareKeyChange(t.algorithms, result)
+	if err := t.conn.prepareKeyChange(t.algorithms, result); err != nil {
+		return err
+	}
 	if err = t.conn.writePacket([]byte{msgNewKeys}); err != nil {
 		return err
 	}