diff options
| author | Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> | 2026-07-31 16:39:23 +0000 |
|---|---|---|
| committer | Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> | 2026-07-31 16:39:23 +0000 |
| commit | 82e4762f42a063785e5d19abcacd7e4a4eb3e548 (patch) | |
| tree | bf239626277218d74c956c203d5bf8e11d6bd45a | |
| parent | 833bdae6c58bcede4d9d5e64612b34295558de0b (diff) | |
route(8): Add null check for prefsrc option
Reported by: Shawn Webb <shawn.webb@hardenedbsd.org>, bms
Fixes: dd235f097af4 ("route(8): Add prefsrc option in netlink")
| -rw-r--r-- | sbin/route/route_netlink.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sbin/route/route_netlink.c b/sbin/route/route_netlink.c index a412265b6feb..f145771ebb12 100644 --- a/sbin/route/route_netlink.c +++ b/sbin/route/route_netlink.c @@ -226,7 +226,8 @@ rtmsg_nl_int(struct nl_helper *h, int cmd, int rtm_flags, int fib, int rtm_addrs rtm->rtm_flags = RTM_F_PREFIX; snl_add_msg_attr_ip(&nw, RTA_DST, dst); - snl_add_msg_attr_ip(&nw, RTA_PREFSRC, prefsrc); + if (prefsrc != NULL) + snl_add_msg_attr_ip(&nw, RTA_PREFSRC, prefsrc); snl_add_msg_attr_u32(&nw, RTA_TABLE, fib); uint32_t rta_oif = 0; |