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 <joerg.vehlow@aox-tech.de> 5# Author: Mitsuru Chinen <mitch@jp.ibm.com> 6# 7# Verify that the kernel is not crashed when joining a multicast group 8# on a single socket, then receiving a large number of Multicast Address 9# and Source Specific Queries 10 11TST_NEEDS_ROOT=1 12TST_NEEDS_TMPDIR=1 13TST_SETUP="mcast_setup_normal" 14TST_CLEANUP="mcast_cleanup" 15TST_TESTFUNC="do_test" 16 17SRC_ADDR_IPV4="10.10.10.1" 18SRC_ADDR_IPV6="fec0:100:100:100::1" 19FILTER_MODE="include" 20 21do_test() 22{ 23 tst_res TINFO "joining an IPv${TST_IPVER} multicast group on a single socket, then receiving a large number of Multicast Address and Source Specific Queries in $NS_DURATION seconds" 24 25 local prefix="$MCAST_IPV4_ADDR_PREFIX" 26 local src_addr="$SRC_ADDR_IPV4" 27 if [ "$TST_IPV6" ]; then 28 prefix="$MCAST_IPV6_ADDR_PREFIX" 29 src_addr="$SRC_ADDR_IPV6" 30 fi 31 32 # Run a multicast join tool 33 local tmpfile=$$ 34 EXPECT_PASS $MCAST_LCMD -n 1 -p $prefix -s $src_addr -F $FILTER_MODE \> $tmpfile 35 tst_res TINFO "joined $(grep groups $tmpfile)" 36 37 # Send Multicast Address and Source Specific Queries from the remote host 38 local params="-m $MCAST_IPV4_ADDR -s $src_addr" 39 [ "$TST_IPV6" ] && params="-S $(tst_ipaddr) -m -D $MCAST_IPV6_ADDR -a $src_addr" 40 EXPECT_RHOST_PASS $MCAST_RCMD -t $NS_DURATION -r 0 $params 41} 42 43. mcast-lib.sh 44tst_run 45