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gossipd: fix use-after-free when we fail to make connection.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-06-14 12:09:32 +09:30 • committed by Christian Decker
parent 4279e5cdbd
commit f6ff89e596
1 changed files with 3 additions and 1 deletions
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4
gossipd/gossip.c
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@ -1865,6 +1865,8 @@ static bool nonlocal_dump_gossip(struct io_conn *conn, struct daemon_conn *dc)
static struct io_plan *new_peer_got_fd(struct io_conn *conn, struct peer *peer)
{
struct daemon *daemon = peer->daemon;
peer->local->conn = io_new_conn(conn, peer->local->fd,
peer_start_gossip, peer);
if (!peer->local->conn) {
@ -1875,7 +1877,7 @@ static struct io_plan *new_peer_got_fd(struct io_conn *conn, struct peer *peer)
/* If conn dies, we forget peer. */
tal_steal(peer->local->conn, peer);
}
return daemon_conn_read_next(conn, &peer->daemon->master);
return daemon_conn_read_next(conn, &daemon->master);
}
/* This lets us read the fds in before handling anything. */