From a89f704701e6af4a4809f4bb4911af88a023226f Mon Sep 17 00:00:00 2001
From: Kyle Zhang <kelzhan@google.com>
Date: Wed, 22 Feb 2023 20:14:34 +0000
Subject: [PATCH] Fix null pointer derefernce AMediaDrm_setPropertyByteArray

Bug: 234798181
Test: ndkDrmFuzzer
Change-Id: I0d2d92ce7be108a904e811048f90a93571862ebc
---
 media/ndk/NdkMediaDrm.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/media/ndk/NdkMediaDrm.cpp b/media/ndk/NdkMediaDrm.cpp
index f4674dea63..170506168f 100644
--- a/media/ndk/NdkMediaDrm.cpp
+++ b/media/ndk/NdkMediaDrm.cpp
@@ -758,6 +758,9 @@ media_status_t AMediaDrm_setPropertyString(AMediaDrm *mObj,
 EXPORT
 media_status_t AMediaDrm_setPropertyByteArray(AMediaDrm *mObj,
         const char *propertyName, const uint8_t *value, size_t valueSize) {
+    if (!mObj || mObj->mDrm == NULL) {
+        return AMEDIA_ERROR_INVALID_OBJECT;
+    }
 
     Vector<uint8_t> byteArray;
     byteArray.appendArray(value, valueSize);