From: Michael Kubacki <michael.kuba...@microsoft.com>
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1969
ReportDispatcher() may be invoked with a NULL Data argument. When TPL is
less than TPL_HIGH_LEVEL and Data is NULL, the EFI_STATUS_CODE_DATA
structure inside RscData should be cleared so listeners will not receive
data from a previous operation.
Cc: Dandan Bi <dandan...@intel.com>
Cc: Hao A Wu <hao.a...@intel.com>
Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Kun Qin <kun....@microsoft.com>
Cc: Liming Gao <liming....@intel.com>
Signed-off-by: Michael Kubacki <michael.kuba...@microsoft.com>
---
MdeModulePkg/Universal/ReportStatusCodeRouter/RuntimeDxe/ReportStatusCodeRouterRuntimeDxe.c
| 4 ++++
1 file changed, 4 insertions(+)
diff --git
a/MdeModulePkg/Universal/ReportStatusCodeRouter/RuntimeDxe/ReportStatusCodeRouterRuntimeDxe.c
b/MdeModulePkg/Universal/ReportStatusCodeRouter/RuntimeDxe/ReportStatusCodeRouterRuntimeDxe.c
index 6ca7e180ebb3..5df83027c62d 100644
---
a/MdeModulePkg/Universal/ReportStatusCodeRouter/RuntimeDxe/ReportStatusCodeRouterRuntimeDxe.c
+++
b/MdeModulePkg/Universal/ReportStatusCodeRouter/RuntimeDxe/ReportStatusCodeRouterRuntimeDxe.c
@@ -3,6 +3,7 @@
and Status Code Runtime Protocol.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) Microsoft Corporation.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -307,6 +308,9 @@ ReportDispatcher (
}
if (Data != NULL) {
CopyMem (&RscData->Data, Data, Data->HeaderSize + Data->Size);
+ } else {
+ ZeroMem (&RscData->Data, sizeof (RscData->Data));
+ RscData->Data.HeaderSize = sizeof (RscData->Data);
}
Status = gBS->SignalEvent (CallbackEntry->Event);
--
2.16.3.windows.1
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