From: Jens Axboe <axboe@kernel.dk>
Date: Thu, 29 Nov 2012 13:35:33 +0000 (+0100)
Subject: net: fix segfault with receiver, tcp, and no hostname set
X-Git-Tag: fio-2.0.12~44
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=166dce4bdf2573a1641c1de5243e2465b190f0dd

net: fix segfault with receiver, tcp, and no hostname set

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/engines/net.c b/engines/net.c
index c5337994..101f7540 100644
--- a/engines/net.c
+++ b/engines/net.c
@@ -543,6 +543,15 @@ static int fio_netio_setup_connect_inet(struct thread_data *td,
 {
 	struct netio_data *nd = td->io_ops->data;
 
+	if (!host) {
+		log_err("fio: connect with no host to connect to.\n");
+		if (td_read(td))
+			log_err("fio: did you forget to set 'listen'?\n");
+
+		td_verror(td, EINVAL, "no hostname= set");
+		return 1;
+	}
+
 	nd->addr.sin_family = AF_INET;
 	nd->addr.sin_port = htons(port);