diff options
Diffstat (limited to 'tools/testing')
| -rwxr-xr-x | tools/testing/selftests/vsock/vmtest.sh | 140 |
1 files changed, 138 insertions, 2 deletions
diff --git a/tools/testing/selftests/vsock/vmtest.sh b/tools/testing/selftests/vsock/vmtest.sh index 0e681d4c3a15..38785a102236 100755 --- a/tools/testing/selftests/vsock/vmtest.sh +++ b/tools/testing/selftests/vsock/vmtest.sh @@ -41,14 +41,38 @@ readonly KERNEL_CMDLINE="\ virtme.ssh virtme_ssh_channel=tcp virtme_ssh_user=$USER \ " readonly LOG=$(mktemp /tmp/vsock_vmtest_XXXX.log) -readonly TEST_NAMES=(vm_server_host_client vm_client_host_server vm_loopback) + +# Namespace tests must use the ns_ prefix. This is checked in check_netns() and +# is used to determine if a test needs namespace setup before test execution. +readonly TEST_NAMES=( + vm_server_host_client + vm_client_host_server + vm_loopback + ns_host_vsock_ns_mode_ok + ns_host_vsock_child_ns_mode_ok +) readonly TEST_DESCS=( + # vm_server_host_client "Run vsock_test in server mode on the VM and in client mode on the host." + + # vm_client_host_server "Run vsock_test in client mode on the VM and in server mode on the host." + + # vm_loopback "Run vsock_test using the loopback transport in the VM." + + # ns_host_vsock_ns_mode_ok + "Check /proc/sys/net/vsock/ns_mode strings on the host." + + # ns_host_vsock_child_ns_mode_ok + "Check /proc/sys/net/vsock/ns_mode is read-only and child_ns_mode is writable." ) -readonly USE_SHARED_VM=(vm_server_host_client vm_client_host_server vm_loopback) +readonly USE_SHARED_VM=( + vm_server_host_client + vm_client_host_server + vm_loopback +) readonly NS_MODES=("local" "global") VERBOSE=0 @@ -196,6 +220,20 @@ check_deps() { fi } +check_netns() { + local tname=$1 + + # If the test requires NS support, check if NS support exists + # using /proc/self/ns + if [[ "${tname}" =~ ^ns_ ]] && + [[ ! -e /proc/self/ns ]]; then + log_host "No NS support detected for test ${tname}" + return 1 + fi + + return 0 +} + check_vng() { local tested_versions local version @@ -519,6 +557,54 @@ log_guest() { LOG_PREFIX=guest log "$@" } +ns_get_mode() { + local ns=$1 + + ip netns exec "${ns}" cat /proc/sys/net/vsock/ns_mode 2>/dev/null +} + +test_ns_host_vsock_ns_mode_ok() { + for mode in "${NS_MODES[@]}"; do + local actual + + actual=$(ns_get_mode "${mode}0") + if [[ "${actual}" != "${mode}" ]]; then + log_host "expected mode ${mode}, got ${actual}" + return "${KSFT_FAIL}" + fi + done + + return "${KSFT_PASS}" +} + +test_ns_host_vsock_child_ns_mode_ok() { + local orig_mode + local rc + + orig_mode=$(cat /proc/sys/net/vsock/child_ns_mode) + + rc="${KSFT_PASS}" + for mode in "${NS_MODES[@]}"; do + local ns="${mode}0" + + if echo "${mode}" 2>/dev/null > /proc/sys/net/vsock/ns_mode; then + log_host "ns_mode should be read-only but write succeeded" + rc="${KSFT_FAIL}" + continue + fi + + if ! echo "${mode}" > /proc/sys/net/vsock/child_ns_mode; then + log_host "child_ns_mode should be writable to ${mode}" + rc="${KSFT_FAIL}" + continue + fi + done + + echo "${orig_mode}" > /proc/sys/net/vsock/child_ns_mode + + return "${rc}" +} + test_vm_server_host_client() { if ! vm_vsock_test "init_ns" "server" 2 "${TEST_GUEST_PORT}"; then return "${KSFT_FAIL}" @@ -592,6 +678,11 @@ run_shared_vm_tests() { continue fi + if ! check_netns "${arg}"; then + check_result "${KSFT_SKIP}" "${arg}" + continue + fi + run_shared_vm_test "${arg}" check_result "$?" "${arg}" done @@ -645,6 +736,49 @@ run_shared_vm_test() { return "${rc}" } +run_ns_tests() { + for arg in "${ARGS[@]}"; do + if shared_vm_test "${arg}"; then + continue + fi + + if ! check_netns "${arg}"; then + check_result "${KSFT_SKIP}" "${arg}" + continue + fi + + add_namespaces + + name=$(echo "${arg}" | awk '{ print $1 }') + log_host "Executing test_${name}" + + host_oops_before=$(dmesg 2>/dev/null | grep -c -i 'Oops') + host_warn_before=$(dmesg --level=warn 2>/dev/null | grep -c -i 'vsock') + eval test_"${name}" + rc=$? + + host_oops_after=$(dmesg 2>/dev/null | grep -c -i 'Oops') + if [[ "${host_oops_after}" -gt "${host_oops_before}" ]]; then + echo "FAIL: kernel oops detected on host" | log_host + check_result "${KSFT_FAIL}" "${name}" + del_namespaces + continue + fi + + host_warn_after=$(dmesg --level=warn 2>/dev/null | grep -c -i 'vsock') + if [[ "${host_warn_after}" -gt "${host_warn_before}" ]]; then + echo "FAIL: kernel warning detected on host" | log_host + check_result "${KSFT_FAIL}" "${name}" + del_namespaces + continue + fi + + check_result "${rc}" "${name}" + + del_namespaces + done +} + BUILD=0 QEMU="qemu-system-$(uname -m)" @@ -690,6 +824,8 @@ if shared_vm_tests_requested "${ARGS[@]}"; then terminate_pidfiles "${pidfile}" fi +run_ns_tests "${ARGS[@]}" + echo "SUMMARY: PASS=${cnt_pass} SKIP=${cnt_skip} FAIL=${cnt_fail}" echo "Log: ${LOG}" |