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charset="utf-8" If there is existing launch update data and kernel hashes data, they need t= o be freed when initialization code is executed. This is important for resettable confidential guests where the initialization happens once every reset. Signed-off-by: Ani Sinha --- target/i386/sev.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/i386/sev.c b/target/i386/sev.c index cb2213a32a..d7425dde96 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -1768,6 +1768,7 @@ static int sev_common_kvm_init(ConfidentialGuestSuppo= rt *cgs, Error **errp) uint32_t ebx; uint32_t host_cbitpos; struct sev_user_data_status status =3D {}; + SevLaunchUpdateData *data, *next_elm; SevCommonState *sev_common =3D SEV_COMMON(cgs); SevCommonStateClass *klass =3D SEV_COMMON_GET_CLASS(cgs); X86ConfidentialGuestClass *x86_klass =3D @@ -1775,6 +1776,11 @@ static int sev_common_kvm_init(ConfidentialGuestSupp= ort *cgs, Error **errp) =20 sev_common->state =3D SEV_STATE_UNINIT; =20 + /* free existing launch update data if any */ + QTAILQ_FOREACH_SAFE(data, &launch_update, next, next_elm) { + g_free(data); + } + host_cpuid(0x8000001F, 0, NULL, &ebx, NULL, NULL); host_cbitpos =3D ebx & 0x3f; =20 @@ -1961,6 +1967,8 @@ static int sev_snp_kvm_init(ConfidentialGuestSupport = *cgs, Error **errp) { MachineState *ms =3D MACHINE(qdev_get_machine()); X86MachineState *x86ms =3D X86_MACHINE(ms); + SevCommonState *sev_common =3D SEV_COMMON(cgs); + SevSnpGuestState *sev_snp_guest =3D SEV_SNP_GUEST(sev_common); =20 if (x86ms->smm =3D=3D ON_OFF_AUTO_AUTO) { x86ms->smm =3D ON_OFF_AUTO_OFF; @@ -1969,6 +1977,10 @@ static int sev_snp_kvm_init(ConfidentialGuestSupport= *cgs, Error **errp) return -1; } =20 + /* free existing kernel hashes data if any */ + g_free(sev_snp_guest->kernel_hashes_data); + sev_snp_guest->kernel_hashes_data =3D NULL; + return 0; } =20 --=20 2.42.0