commit 5061611b6e0e121dd6dc53c3c778dc8713e1a3dd
author eric_kuang.rs <eric_kuang.rs@realtek.com> Mon Dec 13 16:47:01 2021 +0800
committer eric_kuang.rs <eric_kuang.rs@realtek.com> Thu Jan 06 17:25:31 2022 +0800
tree 2ed8684ac9904e151081bea889b78099b5160ca8
parent 26a735ae0f606db67f1a623cd42a644ea902747b

When user presses the power key while playing a local video, the surfaceflinger will crash.

The root cause is both buffer and sidebandstream of Media Player's SurfaceView are NULL after pressing power key, and then SurfaceFlinger has a nullpointer exception.

Change-Id: Ifd04da2abce29a64750a65e7f1aa9a1ed6536fdf
Bug: 210383977
Test: manual test.

services/surfaceflinger/BufferLayer.cpp

diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index 23779be..f2a6994 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -325,7 +325,7 @@
                 : Hwc2::IComposerClient::Composition::DEVICE;
     }
 
-    compositionState->buffer = mBufferInfo.mBuffer->getBuffer();
+    compositionState->buffer = getBuffer();
     compositionState->bufferSlot = (mBufferInfo.mBufferSlot == BufferQueue::INVALID_BUFFER_SLOT)
             ? 0
             : mBufferInfo.mBufferSlot;