omx: check HDR10+ info param size am: f816148a71 am: cc57ee47c6 am: 4b693c0a2c am: dd41492a2b am: 25b7cc780a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/28105102

Change-Id: I5e371031a17838b004bac5fcede1f85da826e2b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp b/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp
index 4183023..4ab5d10 100644
--- a/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp
+++ b/media/libstagefright/omx/SoftVideoDecoderOMXComponent.cpp
@@ -619,6 +619,13 @@
                 if (!isValidOMXParam(outParams)) {
                     return OMX_ErrorBadParameter;
                 }
+                if (offsetof(DescribeHDR10PlusInfoParams, nValue) + outParams->nParamSize >
+                    outParams->nSize) {
+                    ALOGE("b/329641908: too large param size; nParamSize=%u nSize=%u",
+                          outParams->nParamSize, outParams->nSize);
+                    android_errorWriteLog(0x534e4554, "329641908");
+                    return OMX_ErrorBadParameter;
+                }
 
                 outParams->nParamSizeUsed = info->size();