On Fri, Apr 10, 2026 at 11:52:37AM +0800, Cao Ruichuang wrote:

No patch description at all?

Signed-off-by: Cao Ruichuang <[email protected]>
---
v2:
- retitle the patch to describe the race being fixed
- replace rm -rf with explicit rm and rmdir cleanup

tools/testing/selftests/vsock/vmtest.sh | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/vsock/vmtest.sh 
b/tools/testing/selftests/vsock/vmtest.sh
index 86e338886b3..c345fa539d3 100755
--- a/tools/testing/selftests/vsock/vmtest.sh
+++ b/tools/testing/selftests/vsock/vmtest.sh
@@ -718,6 +718,7 @@ test_ns_diff_global_host_connect_to_global_vm_ok() {
        local pids pid pidfile
        local ns0 ns1 port
        declare -a pids
+       local unixdir
        local unixfile
        ns0="global0"
        ns1="global1"
@@ -736,7 +737,8 @@ test_ns_diff_global_host_connect_to_global_vm_ok() {
        oops_before=$(vm_dmesg_oops_count "${ns0}")
        warn_before=$(vm_dmesg_warn_count "${ns0}")

-       unixfile=$(mktemp -u /tmp/XXXX.sock)
+       unixdir=$(mktemp -d /tmp/vsock_vmtest_XXXXXX)
+       unixfile="${unixdir}/sock"
        ip netns exec "${ns1}" \
                socat TCP-LISTEN:"${TEST_HOST_PORT}",fork \
                        UNIX-CONNECT:"${unixfile}" &
@@ -758,6 +760,8 @@ test_ns_diff_global_host_connect_to_global_vm_ok() {

        terminate_pids "${pids[@]}"
        terminate_pidfiles "${pidfile}"
+       rm "${unixfile}"
+       rmdir "${unixdir}"

        if [[ "${rc}" -ne 0 ]] || [[ "${dmesg_rc}" -ne 0 ]]; then
                return "${KSFT_FAIL}"
@@ -814,6 +818,7 @@ test_ns_diff_global_vm_connect_to_global_host_ok() {
        local ns0="global0"
        local ns1="global1"
        local port=12345
+       local unixdir
        local unixfile
        local dmesg_rc
        local pidfile
@@ -826,7 +831,8 @@ test_ns_diff_global_vm_connect_to_global_host_ok() {

        log_host "Setup socat bridge from ns ${ns0} to ns ${ns1} over port 
${port}"

-       unixfile=$(mktemp -u /tmp/XXXX.sock)
+       unixdir=$(mktemp -d /tmp/vsock_vmtest_XXXXXX)
+       unixfile="${unixdir}/sock"

        ip netns exec "${ns0}" \
                socat TCP-LISTEN:"${port}" UNIX-CONNECT:"${unixfile}" &
@@ -845,7 +851,8 @@ test_ns_diff_global_vm_connect_to_global_host_ok() {
        if ! vm_start "${pidfile}" "${ns0}"; then
                log_host "failed to start vm (cid=${cid}, ns=${ns0})"
                terminate_pids "${pids[@]}"
-               rm -f "${unixfile}"
+               rm "${unixfile}"
+               rmdir "${unixdir}"
                return "${KSFT_FAIL}"
        fi

@@ -862,7 +869,8 @@ test_ns_diff_global_vm_connect_to_global_host_ok() {

        terminate_pidfiles "${pidfile}"
        terminate_pids "${pids[@]}"
-       rm -f "${unixfile}"
+       rm "${unixfile}"
+       rmdir "${unixdir}"

        if [[ "${rc}" -ne 0 ]] || [[ "${dmesg_rc}" -ne 0 ]]; then
                return "${KSFT_FAIL}"
--
2.39.5 (Apple Git-154)




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