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Date:      Tue, 21 Apr 2026 12:22:36 +0000
From:      Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: d95a73b4c7e3 - main - ifconfig: Fix segfault in geneve_status_nl
Message-ID:  <69e76c0c.1841f.61db645b@gitrepo.freebsd.org>

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The branch main has been updated by pouria:

URL: https://cgit.FreeBSD.org/src/commit/?id=d95a73b4c7e314084f838c7b68ae9da8e4ba2982

commit d95a73b4c7e314084f838c7b68ae9da8e4ba2982
Author:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
AuthorDate: 2026-04-21 12:17:00 +0000
Commit:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
CommitDate: 2026-04-21 12:17:00 +0000

    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 <seth.hoffert@gmail.com>
    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;


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