1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) 2006 International Business Machines Corp. 4# Copyright (c) 2020 Joerg Vehlow <[email protected]> 5# Author: Mitsuru Chinen <[email protected]> 6# 7# Verify that the kernel is not crashed when joining multiple multicast 8# groups on separate socket, then receiving a large number of General Queries 9 10TST_NEEDS_ROOT=1 11TST_NEEDS_TMPDIR=1 12TST_SETUP="mcast_setup_normal" 13TST_CLEANUP="mcast_cleanup" 14TST_TESTFUNC="do_test" 15 16do_test() 17{ 18 tst_res TINFO "joining $MCASTNUM_NORMAL IPv${TST_IPVER} multicast groups on separate socket, then receiving a large number of General Queries in $NS_DURATION seconds" 19 20 local prefix="$MCAST_IPV4_ADDR_PREFIX" 21 [ "$TST_IPV6" ] && prefix="$MCAST_IPV6_ADDR_PREFIX" 22 23 # Run a multicast join tool 24 local tmpfile=$$ 25 EXPECT_PASS $MCAST_LCMD -n $MCASTNUM_NORMAL -p $prefix \> $tmpfile 26 tst_res TINFO "joined $(grep groups $tmpfile)" 27 28 # Send General Queries from the remote host 29 local params 30 [ "$TST_IPV6" ] && params="-S $(tst_ipaddr) -m" 31 EXPECT_RHOST_PASS $MCAST_RCMD -t $NS_DURATION -r 0 $params 32} 33 34. mcast-lib.sh 35tst_run 36