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fix: add null pointer checks in route_new_entry to prevent crashes #1047

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fix: add null pointer checks in route_new_entry to prevent crashes #1047

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2 changes: 1 addition & 1 deletion src/route.c
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@ static struct route_entry *route_new_entry(struct in_addr* dest,
short metric)
{
struct route_entry *new_route=NULL;
if(!dest)
if(!dest || !port)
return NULL;
new_route = rte_zmalloc("new_route_entry", sizeof(struct route_entry), 0);
if (new_route == NULL){
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