pcap: do bounds checking in net_pcap_prepare when processing the list of host interfaces

2022-08-25 00:43:48 +02:00
parent d1f4958bb7
commit 8ec983b1ef
3 changed files with 6 additions and 2 deletions
--- a/src/network/net_pcap.c
+++ b/src/network/net_pcap.c
@@ -354,6 +354,9 @@ net_pcap_prepare(netdev_t *list)
    }

    for (dev=devlist; dev!=NULL; dev=dev->next) {
+		if (i >= (NET_HOST_INTF_MAX - 1))
+			break;
+
 		/**
 		 * we initialize the strings to NULL first for strncpy
 		 */