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authorStefan Berger <stefanb@linux.vnet.ibm.com>2018-12-04 09:54:39 -0500
committerMichael Roth <mdroth@linux.vnet.ibm.com>2019-04-01 20:36:21 -0500
commit4afb0370b9ef7d41af79fc5f730184593a4735dc (patch)
tree8dfb05ed8e36c70e1cea827f2725b4243ead3dbe
parent66160b7aeb0ac1feb6008286f546d8ad6c10ce7a (diff)
tpm: Make sure the locality received from backend is valid
Make sure that the locality passed from the backend to tpm_tis_request_completed() is valid. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> (cherry picked from commit a639f96111eadb3b8e3021fd3f27e2948ad1c640) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r--hw/tpm/tpm_tis.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 9a795ce96c..1554026788 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -295,6 +295,8 @@ static void tpm_tis_request_completed(TPMIf *ti, int ret)
uint8_t locty = s->cmd.locty;
uint8_t l;
+ assert(TPM_TIS_IS_VALID_LOCTY(locty));
+
if (s->cmd.selftest_done) {
for (l = 0; l < TPM_TIS_NUM_LOCALITIES; l++) {
s->loc[l].sts |= TPM_TIS_STS_SELFTEST_DONE;