D38189.id115696.diff
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D38189.id115696.diff
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	diff --git a/sys/kern/kern_jail.c.sav2 b/sys/kern/kern_jail.c
	--- a/sys/kern/kern_jail.c.sav2
	+++ b/sys/kern/kern_jail.c
	@@ -3491,6 +3491,8 @@
	* - The root directory (pr_root) of the prison must be
	* a file system mount point, so the mountd can hang
	* export information on it.
	+ * - The prison's enforce_statfs cannot be 0, so that
	+ * mountd(8) can do exports.
	*/
	bool
	prison_check_nfsd(struct ucred *cred)
	@@ -3501,6 +3503,8 @@
	if (!prison_allow(cred, PR_ALLOW_NFSD))
	return (false);
	if ((cred->cr_prison->pr_root->v_vflag & VV_ROOT) == 0)
	+ return (false);
	+ if (cred->cr_prison->pr_enforce_statfs == 0)
	return (false);
	return (true);
	}