netinet6 tests: test for loss of Solicited-node multicast groups
The multicast code has an issue where it can lose the Solicited-node multicast group subscription if the same address is added twice. Test for this. PR: 233683 MFC after: 1 week Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D41123
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@ -80,10 +80,50 @@ mldraw01_cleanup() {
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vnet_cleanup
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}
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atf_test_case "pr233683" "cleanup"
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pr233683_head() {
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atf_set descr 'Test for PR233683'
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atf_set require.user root
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}
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pr233683_body() {
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j="mld:pr233683"
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vnet_init
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epair=$(vnet_mkepair)
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vnet_mkjail ${j}a ${epair}a
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jexec ${j}a ifconfig ${epair}a inet6 2001:db8::1/64 up
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sleep 5
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jexec ${j}a ifconfig ${epair}a inet6 2001:db8::1/64
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vnet_mkjail ${j}b ${epair}b
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jexec ${j}b ifconfig ${epair}b inet6 2001:db8::2/64 up
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# Allow DAD to run
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sleep 5
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# Debug output. If the bug is present we'd expect to not see a
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# membership for ff02::1:ff00:1
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jexec ${j}a ifmcstat -i ${epair}a
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jexec ${j}a ifconfig ${epair}a
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atf_check -s exit:0 -o ignore \
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jexec ${j}b ping -6 -c 1 2001:db8::1
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}
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pr233683_cleanup() {
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vnet_cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case "mldraw01"
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atf_add_test_case "pr233683"
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}
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# end
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