#!/bin/sh # SPDX-License-Identifier: GPL-2.0-or-later # Copyright (c) 2006 International Business Machines Corp. # Copyright (c) 2020 Joerg Vehlow # Author: Mitsuru Chinen # # Verify that the kernel is not crashed when joining multiple multicast # groups on separate socket, then receiving a large number of General Queries TST_NEEDS_ROOT=1 TST_NEEDS_TMPDIR=1 TST_SETUP="mcast_setup_normal" TST_CLEANUP="mcast_cleanup" TST_TESTFUNC="do_test" . mcast-lib.sh do_test() { tst_res TINFO "joining $MCASTNUM_NORMAL IPv${TST_IPVER} multicast groups on separate socket, then receiving a large number of General Queries in $NS_DURATION seconds" local prefix="$MCAST_IPV4_ADDR_PREFIX" [ "$TST_IPV6" ] && prefix="$MCAST_IPV6_ADDR_PREFIX" # Run a multicast join tool local tmpfile=$$ EXPECT_PASS $MCAST_LCMD -n $MCASTNUM_NORMAL -p $prefix \> $tmpfile tst_res TINFO "joined $(grep groups $tmpfile)" # Send General Queries from the remote host local params [ "$TST_IPV6" ] && params="-S $(tst_ipaddr) -m" EXPECT_RHOST_PASS $MCAST_RCMD -t $NS_DURATION -r 0 $params } tst_run