Index: user/pho/stress2/misc/chain.sh
===================================================================
--- user/pho/stress2/misc/chain.sh	(revision 351737)
+++ user/pho/stress2/misc/chain.sh	(revision 351738)
@@ -1,54 +1,54 @@
 #!/bin/sh
 
 # Unkillable process in "vm map (user)" seen.
 # https://people.freebsd.org/~pho/stress/log/kostik1070.txt
 # Fixed by: r327468
 
 # OOM killing: https://people.freebsd.org/~pho/stress/log/chain.txt
 
 # Test scenario by Peter Jeremy <peterj@>
 
 # $FreeBSD$
 
 if [ ! -f /usr/local/include/libmill.h -o \
     ! -x /usr/local/lib/libmill.so ]; then
 	echo "ports/devel/libmill needed."
 	exit 0
 fi
 
 . ../default.cfg
 
 cat > /tmp/chain.c <<EOF
 #include <stdio.h>
 #include <stdlib.h>
 #include <libmill.h>
 
 coroutine void f(chan left, chan right) {
     chs(left, int, 1 + chr(right, int));
 }
 
 int
 main(int argc __unused, char **argv)
 {
 	int i, n = argv[1] ? atoi(argv[1]) : 10000;
 	chan leftmost = chmake(int, 0);
 	chan left = NULL;
 	chan right = leftmost;
 
 	for (i = 0; i < n; i++) {
 		left = right;
 		right = chmake(int, 0);
 		go(f(left, right));
 	}
 	chs(right, int, 0);
 	i = chr(leftmost, int);
 	printf("result = %d\n", i);
 	return(0);
 }
 EOF
 
 mycc -o /tmp/chain -I /usr/local/include -L /usr/local/lib -Wall -Wextra \
 	 -O2 -g /tmp/chain.c -lmill || exit 1
-/tmp/chain 1000000
+limits -c 0 /tmp/chain 1000000
 rm -f /tmp/chain /tmp/chain.c
 exit 0