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tests: exercise TPM after reboot

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Extend test_tpm to issue random, fixed-property, PCR read, and PCR
event commands before and after a guest reboot.

Assisted-by: Copilot:GPT-5.5
Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2026-05-30 16:13:45 -07:00
committed by Rob Bradford
parent 8d0dc52cfa
commit 4527ae449b
1 changed files with 27 additions and 9 deletions
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36
cloud-hypervisor/tests/integration.rs
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@@ -5932,15 +5932,33 @@ mod common_parallel {
let mut child = guest_cmd.spawn().unwrap();
let r = std::panic::catch_unwind(|| {
guest.wait_vm_boot().unwrap();
assert_eq!(
guest.ssh_command("ls /dev/tpm0").unwrap().trim(),
"/dev/tpm0"
);
guest.ssh_command("sudo tpm2_selftest -f").unwrap();
guest
.ssh_command("echo 'hello' > /tmp/checksum_test; ")
.unwrap();
guest.ssh_command("cmp <(sudo tpm2_pcrevent /tmp/checksum_test | grep sha256 | awk '{print $2}') <(sha256sum /tmp/checksum_test| awk '{print $1}')").unwrap();
let exercise_tpm = || {
assert_eq!(
guest.ssh_command("ls /dev/tpm0").unwrap().trim(),
"/dev/tpm0"
);
guest.ssh_command("sudo tpm2_selftest -f").unwrap();
guest
.ssh_command(
"sudo tpm2_getrandom 32 >/tmp/tpm_random \
&& test $(wc -c </tmp/tpm_random) -eq 32",
)
.unwrap();
guest
.ssh_command("sudo tpm2_getcap properties-fixed | grep -q TPM2_PT_MANUFACTURER")
.unwrap();
guest
.ssh_command("sudo tpm2_pcrread sha256:0,1,2,3 >/tmp/tpm_pcrread")
.unwrap();
guest
.ssh_command("echo 'hello' > /tmp/checksum_test; ")
.unwrap();
guest.ssh_command("cmp <(sudo tpm2_pcrevent /tmp/checksum_test | grep sha256 | awk '{print $2}') <(sha256sum /tmp/checksum_test| awk '{print $1}')").unwrap();
};
exercise_tpm();
guest.reboot_linux(0);
exercise_tpm();
});
let _ = swtpm_child.kill();