D34008.diff
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	diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y
	--- a/sbin/pfctl/parse.y
	+++ b/sbin/pfctl/parse.y
	@@ -4582,6 +4582,10 @@
	$$ = calloc(1, sizeof(struct node_host));
	if ($$ == NULL)
	err(1, "route_host: calloc");
	+ if (strlen($1) >= IFNAMSIZ) {
	+ yyerror("interface name too long");
	+ YYERROR;
	+ }
	$$->ifname = strdup($1);
	set_ipmask($$, 128);
	$$->next = NULL;
	@@ -4591,8 +4595,13 @@
	struct node_host *n;

	$$ = $3;
	- for (n = $3; n != NULL; n = n->next)
	+ for (n = $3; n != NULL; n = n->next) {
	+ if (strlen($2) >= IFNAMSIZ) {
	+ yyerror("interface name too long");
	+ YYERROR;
	+ }
	n->ifname = strdup($2);
	+ }
	}
	;