libnetlink: add size argument to rtnl_talk
There have been several instances where response from kernel
has overrun the stack buffer from the caller. Avoid future problems
by passing a size argument.
Also drop the unused peer and group arguments to rtnl_talk.
diff --git a/ip/ipfou.c b/ip/ipfou.c
index 2676045..0b83c27 100644
--- a/ip/ipfou.c
+++ b/ip/ipfou.c
@@ -112,7 +112,7 @@
fou_parse_opt(argc, argv, &req.n, true);
- if (rtnl_talk(&genl_rth, &req.n, 0, 0, NULL) < 0)
+ if (rtnl_talk(&genl_rth, &req.n, NULL, 0) < 0)
return -2;
return 0;
@@ -124,7 +124,7 @@
fou_parse_opt(argc, argv, &req.n, false);
- if (rtnl_talk(&genl_rth, &req.n, 0, 0, NULL) < 0)
+ if (rtnl_talk(&genl_rth, &req.n, NULL, 0) < 0)
return -2;
return 0;