From d95a73b4c7e314084f838c7b68ae9da8e4ba2982 Mon Sep 17 00:00:00 2001 From: Pouria Mousavizadeh Tehrani Date: Tue, 21 Apr 2026 15:47:00 +0330 Subject: [PATCH] ifconfig: Fix segfault in geneve_status_nl Initialize nla_geneve_link structure to zero to prevent segfault when a TLV is not received by the netlink parser. Reported by: Seth Hoffert Fixes: 688e289ee904 ("ifconfig: Add support for geneve (netlink)") --- sbin/ifconfig/ifgeneve.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sbin/ifconfig/ifgeneve.c b/sbin/ifconfig/ifgeneve.c index db0e90e6f278..933610e08999 100644 --- a/sbin/ifconfig/ifgeneve.c +++ b/sbin/ifconfig/ifgeneve.c @@ -286,7 +286,7 @@ geneve_status_nl(if_ctx *ctx) struct snl_writer nw; struct nlmsghdr *hdr; struct snl_errmsg_data errmsg; - struct nla_geneve_link geneve_link; + struct nla_geneve_link geneve_link = {0}; char src[INET6_ADDRSTRLEN], dst[INET6_ADDRSTRLEN]; struct sockaddr *lsa, *rsa; int mc;