sta_send_frame: Fix NULL pointer deference for NeighSolicitReq

Verify that the required SenderIP argument is present before using it. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
qca · Oct 11, 2017 · 26b356d · 26b356d
1 parent 9331962
commit 26b356d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sta.c b/sta.c
@@ -6412,6 +6412,9 @@ static int cmd_sta_send_frame_hs2_neighsolreq(struct sigma_dut *dut,
 	char buf[200];
 	const char *ip = get_param(cmd, "SenderIP");
 
+	if (!ip)
+		return 0;
+
 	snprintf(buf, sizeof(buf), "ndisc6 -nm %s %s -r 4", ip, intf);
 	sigma_dut_print(dut, DUT_MSG_DEBUG, "Run: %s", buf);
 	if (system(buf) == 0) {