libvirt/SOURCES/libvirt-qemu-tpm-do-not-update-profile-name-for-transient-domains.patch

74 lines
2.8 KiB
Diff

From c184ba489a432d5748c3de3ff5719ccd8194c1e5 Mon Sep 17 00:00:00 2001
Message-ID: <c184ba489a432d5748c3de3ff5719ccd8194c1e5.1734433245.git.jdenemar@redhat.com>
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Tue, 3 Dec 2024 12:00:08 +0100
Subject: [PATCH] qemu: tpm: do not update profile name for transient domains
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If we do not have a persistent definition, there's no point in
looking for it since we cannot store it.
Also skip the update if the tpm device(s) in the persistent
definition are different.
This fixes the crash when starting a transient domain.
https://issues.redhat.com/browse/RHEL-69774
https://gitlab.com/libvirt/libvirt/-/issues/715
Fixes: d79542eec669eb9c449bb8228179e7a87e768017
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
(cherry picked from commit 81da7a2c2a2d490cddaaa77d3e3b36e210b38bd7)
https://issues.redhat.com/browse/RHEL-71072
Signed-off-by: Ján Tomko <jtomko@redhat.com>
---
src/qemu/qemu_extdevice.c | 13 ++++++++++++-
src/qemu/qemu_tpm.c | 2 +-
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_extdevice.c b/src/qemu/qemu_extdevice.c
index a6f31f9773..954cb323a4 100644
--- a/src/qemu/qemu_extdevice.c
+++ b/src/qemu/qemu_extdevice.c
@@ -190,7 +190,18 @@ qemuExtDevicesStart(virQEMUDriver *driver,
for (i = 0; i < def->ntpms; i++) {
virDomainTPMDef *tpm = def->tpms[i];
- virDomainTPMDef *persistentTPMDef = persistentDef->tpms[i];
+ virDomainTPMDef *persistentTPMDef = NULL;
+
+ if (persistentDef) {
+ /* do not try to update the profile in the persistent definition
+ * if the device does not match */
+ if (persistentDef->ntpms == def->ntpms)
+ persistentTPMDef = persistentDef->tpms[i];
+ if (persistentTPMDef &&
+ (persistentTPMDef->type != tpm->type ||
+ persistentTPMDef->model != tpm->model))
+ persistentTPMDef = NULL;
+ }
if (tpm->type == VIR_DOMAIN_TPM_TYPE_EMULATOR &&
qemuExtTPMStart(driver, vm, tpm, persistentTPMDef,
diff --git a/src/qemu/qemu_tpm.c b/src/qemu/qemu_tpm.c
index f223dcb9ae..f5e0184e54 100644
--- a/src/qemu/qemu_tpm.c
+++ b/src/qemu/qemu_tpm.c
@@ -773,7 +773,7 @@ qemuTPMEmulatorBuildCommand(virDomainTPMDef *tpm,
incomingMigration) < 0)
goto error;
- if (run_setup && !incomingMigration &&
+ if (run_setup && !incomingMigration && persistentTPMDef &&
qemuTPMEmulatorUpdateProfileName(&tpm->data.emulator, persistentTPMDef,
cfg, saveDef) < 0)
goto error;
--
2.47.1