OMXNodeInstance: use a lock in freeNode

This is to avoid a concurrent use after free if other OMX commands
are being executed before the node is marked as deleted.

Bug: 63666573
Change-Id: I7720dd900bfa252f8675e0c56191adbf52aa957e

parent 0d7d0ab1

media/libstagefright/omx/OMXNodeInstance.cpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -257,6 +257,8 @@ status_t OMXNodeInstance::freeNode(OMXMaster *master) {
		break;
		}

		Mutex::Autolock _l(mLock);

		ALOGV("calling destroyComponentInstance");
		OMX_ERRORTYPE err = master->destroyComponentInstance(
		static_cast<OMX_COMPONENTTYPE *>(mHandle));