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-rw-r--r--slirp/slirp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 3fb48a4921..60280361e6 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -778,6 +778,11 @@ int if_encap(Slirp *slirp, struct mbuf *ifm)
return 1;
}
+ if (iph->ip_dst.s_addr == 0) {
+ /* 0.0.0.0 can not be a destination address, something went wrong,
+ * avoid making it worse */
+ return 1;
+ }
if (!arp_table_search(slirp, iph->ip_dst.s_addr, ethaddr)) {
uint8_t arp_req[ETH_HLEN + sizeof(struct arphdr)];
struct ethhdr *reh = (struct ethhdr *)arp_req;