D20948.id59744.diff
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	Index: head/sys/kern/uipc_socket.c
	===================================================================
	--- head/sys/kern/uipc_socket.c
	+++ head/sys/kern/uipc_socket.c
	@@ -2776,7 +2776,12 @@
	error = sooptcopyin(sopt, &l, sizeof l, sizeof l);
	if (error)
	goto bad;
	-
	+ if (l.l_linger < 0 \|\|
	+ l.l_linger > USHRT_MAX \|\|
	+ l.l_linger > (INT_MAX / hz)) {
	+ error = EDOM;
	+ goto bad;
	+ }
	SOCK_LOCK(so);
	so->so_linger = l.l_linger;
	if (l.l_onoff)
	@@ -4105,6 +4110,9 @@
	void
	so_linger_set(struct socket *so, int val)
	{
	+
	+ KASSERT(val >= 0 && val <= USHRT_MAX && val <= (INT_MAX / hz),
	+ ("%s: val %d out of range", __func__, val));

	so->so_linger = val;
	}