D43956.diff
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D43956.diff
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	diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c
	--- a/usr.sbin/ndp/ndp.c
	+++ b/usr.sbin/ndp/ndp.c
	@@ -652,6 +652,12 @@
	if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
	xo_err(1, "sysctl(PF_ROUTE estimate)");
	if (needed > 0) {
	+ /*
	+ * Add ~2% additional space in case some records
	+ * will appear between sysctl() calls.
	+ * Round it up so it can fit 4 additional messages at least.
	+ */
	+ needed += ((needed >> 6) \| (sizeof(m_rtmsg) * 4));
	if ((buf = malloc(needed)) == NULL)
	xo_err(1, "malloc");
	if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)