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Add null pointer check to avoid system crash.

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Add null pointer check to avoid system crash.
Meet the below crash log during some app operations then app exits.

F DEBUG   : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x78
F DEBUG   : Cause: null pointer dereference
F DEBUG   : backtrace:
F DEBUG   :       #00 pc 0000000000323858  /system/lib64/libhwui.so
(android::uirenderer::DeferredLayerUpdater::apply()+40)
F DEBUG   :       #01 pc 0000000000323040  /system/lib64/libhwui.so
(_ZNSt3__110__function6__funcIZN7android10uirenderer12renderthread13
DrawFrameTask11postAndWaitEvE3$_0NS_9allocatorIS6_EEFvvEEclEv$c1671e
787f244890c877724752face20+416)

Bug: b/243310920
Signed-off-by: Jessie Hao <juan.hao@nxp.com>
Change-Id: I77226be2bd235852675bb4f7a29589e360269b33
This commit is contained in:
Jessie Hao
2022-05-10 14:47:05 +08:00
parent e648d3cb91
commit 10f886750d
1 changed files with 3 additions and 1 deletions
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4
libs/hwui/renderthread/DrawFrameTask.cpp
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@@ -243,7 +243,9 @@ bool DrawFrameTask::syncFrameState(TreeInfo& info) {
mContext->unpinImages();
for (size_t i = 0; i < mLayers.size(); i++) {
mLayers[i]->apply();
if (mLayers[i]) {
mLayers[i]->apply();
}
}
mLayers.clear();
mContext->setContentDrawBounds(mContentDrawBounds);