D6201.1794833245.diff
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	Index: head/sys/fs/nfs/nfs_commonsubs.c
	===================================================================
	--- head/sys/fs/nfs/nfs_commonsubs.c
	+++ head/sys/fs/nfs/nfs_commonsubs.c
	@@ -3174,6 +3174,10 @@
	static int onethread = 0;
	static time_t lasttime = 0;

	+ if (nidp->nid_namelen <= 0 \|\| nidp->nid_namelen > MAXHOSTNAMELEN) {
	+ error = EINVAL;
	+ goto out;
	+ }
	if (nidp->nid_flag & NFSID_INITIALIZE) {
	cp = malloc(nidp->nid_namelen + 1, M_NFSSTRING, M_WAITOK);
	error = copyin(CAST_USER_ADDR_T(nidp->nid_name), cp,