dummynet tests: attempt to provoke wf2q+ use-after-free
Attempt to provoke known use-after-free issues with WF2Q+. Sponsored by: Rubicon Communications, LLC ("Netgate")
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@ -203,6 +203,59 @@ codel_cleanup()
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firewall_cleanup $1
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}
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wf2q_heap_head()
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{
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atf_set descr 'Test WF2Q+, attempting to provoke use-after-free'
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atf_set require.user root
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}
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wf2q_heap_body()
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{
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fw=$1
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firewall_init $fw
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dummynet_init $fw
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j=dummynet_wf2q_heap_${fw}_
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epair=$(vnet_mkepair)
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epair_other=$(vnet_mkepair)
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vnet_mkjail ${j}a ${epair}a
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vnet_mkjail ${j}b ${epair}b ${epair_other}b
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jexec ${j}a ifconfig ${epair}a up mtu 9000
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va=$(jexec ${j}a ifconfig vlan create vlan 42 vlandev ${epair}a)
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jexec ${j}a ifconfig ${va} 192.0.2.1/24 up #mtu 8000
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jexec ${j}b ifconfig ${epair}b up mtu 9000
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vb=$(jexec ${j}b ifconfig vlan create vlan 42 vlandev ${epair}b)
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jexec ${j}b ifconfig ${vb} 192.0.2.2/24 up #mtu 8000
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jexec ${j}b ifconfig ${epair_other}b up
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# Sanity check
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atf_check -s exit:0 -o ignore \
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jexec ${j}b ping -c 1 192.0.2.1
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jexec ${j}b dnctl pipe 1 config bw 10Mb queue 100 delay 500 droptail
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jexec ${j}b dnctl sched 1 config pipe 1 type wf2q+
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jexec ${j}b dnctl queue 1 config pipe 1 droptail
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firewall_config ${j}b ${fw} \
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"pf" \
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"pass dnqueue 1"
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jexec ${j}a ping -f 192.0.2.2 &
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sleep 1
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jexec ${j}b ifconfig ${vb} destroy
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sleep 2
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}
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wf2q_heap_cleanup()
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{
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firewall_cleanup $1
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}
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queue_head()
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{
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atf_set descr 'Basic queue test'
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@ -478,6 +531,8 @@ setup_tests \
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codel \
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ipfw \
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pf \
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wf2q_heap \
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pf \
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queue \
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ipfw \
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pf \
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