From 4182ec520407a702ec2b670d597ca4f7d80ef58b Mon Sep 17 00:00:00 2001 From: "Alexander V. Chernikov" Date: Sat, 18 Feb 2023 17:24:59 +0000 Subject: [PATCH] netlink: fix OOB read in genetlink Reported by: Coverity Scan Approved by: re (cperciva) CID: 1498863 (cherry picked from commit 8f7455a9265f4952f885b06c08c57fcce6f16e5c) (cherry picked from commit d9d596bb2ce04bbec5ea811342efd4216c1fc2a3) --- sys/netlink/netlink_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netlink/netlink_generic.c b/sys/netlink/netlink_generic.c index 066379e2afae..a16fdc312daa 100644 --- a/sys/netlink/netlink_generic.c +++ b/sys/netlink/netlink_generic.c @@ -267,7 +267,7 @@ genl_handle_message(struct nlmsghdr *hdr, struct nl_pstate *npt) int family_id = (int)hdr->nlmsg_type - GENL_MIN_ID; - if (__predict_false(family_id < 0 || family_id > MAX_FAMILIES)) { + if (__predict_false(family_id < 0 || family_id >= MAX_FAMILIES)) { NLP_LOG(LOG_DEBUG, nlp, "invalid message type: %d", hdr->nlmsg_type); return (ENOTSUP); }