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D57158.diff
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diff --git a/sys/netlink/netlink_generic.c b/sys/netlink/netlink_generic.c
--- a/sys/netlink/netlink_generic.c
+++ b/sys/netlink/netlink_generic.c
@@ -127,13 +127,13 @@
}
family_id = hdr->nlmsg_type - GENL_MIN_ID;
- gf = &families[family_id];
if (__predict_false(family_id >= MAX_FAMILIES ||
- gf->family_name == NULL)) {
+ families[family_id].family_name == NULL)) {
NLP_LOG(LOG_DEBUG, nlp, "invalid message type: %d",
hdr->nlmsg_type);
return (ENOTSUP);
}
+ gf = &families[family_id];
struct genlmsghdr *ghdr = (struct genlmsghdr *)(hdr + 1);
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D57158: netlink: Avoid undefined behaviour
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