From 4d64309955fe6543b5bbf9c2c7da81a7ea8da9d3 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Mon, 4 Mar 2019 11:24:33 +0900 Subject: [PATCH] netlink: check new interface name is valid or not before sending request --- src/libsystemd/sd-netlink/netlink-util.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/libsystemd/sd-netlink/netlink-util.c b/src/libsystemd/sd-netlink/netlink-util.c index 3928dfbabf3..628ce507a05 100644 --- a/src/libsystemd/sd-netlink/netlink-util.c +++ b/src/libsystemd/sd-netlink/netlink-util.c @@ -13,6 +13,9 @@ int rtnl_set_link_name(sd_netlink **rtnl, int ifindex, const char *name) { assert(ifindex > 0); assert(name); + if (!ifname_valid(name)) + return -EINVAL; + if (!*rtnl) { r = sd_netlink_open(rtnl); if (r < 0) -- 2.47.3