/* * FreeRTOS memory safety proofs with CBMC. * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * http://aws.amazon.com/freertos * http://www.FreeRTOS.org */ #include "FreeRTOS.h" #include "queue.h" #include "queue_init.h" #include "cbmc.h" /* If the item size is not bounded, the proof does not finish in a reasonable * time due to the involved memcpy commands. */ #ifndef MAX_ITEM_SIZE #define MAX_ITEM_SIZE 10 #endif void harness() { QueueHandle_t xQueue = xUnconstrainedQueueBoundedItemSize( MAX_ITEM_SIZE ); BaseType_t * xHigherPriorityTaskWoken = pvPortMalloc( sizeof( BaseType_t ) ); if( xQueue ) { void * pvBuffer = pvPortMalloc( xQueue->uxItemSize ); if( !pvBuffer ) { xQueue->uxItemSize = 0; } xQueueReceiveFromISR( xQueue, pvBuffer, xHigherPriorityTaskWoken ); } }