terminate_connection(): Avoid use-after-free and double-free for

already freed edge structure.

diff --git a/src/net.c b/src/net.c
index db5743a..2565be1 100644 (file)
--- a/src/net.c
+++ b/src/net.c
@@ -121,6 +121,7 @@ void terminate_connection(connection_t *c, bool report) {
                        send_del_edge(everyone, c->edge);
 
                edge_del(c->edge);
+               c->edge = NULL;
 
                /* Run MST and SSSP algorithms */