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43defa566c
* Update History.txt and README.md for December release (#744) * Update History.txt and README.md for release * Bump mbedtls submodule to v2.28.0 (#745) * Patch project files for mbedtls (#751) * Apply group 1 patches * Apply patches for group 2 * Update project files for mbedTLS new version Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Fix warnings in projects Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Fix warnings in HTTP_S3_Download demo Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com> * Update changelog and history for corePKCS11 update (#752) * Update submodule pointer and manifest.yml for corePKCS11 (#754) * Update readme and history.txt to show that Sigv4 is a newly added library (#756) * Revert update to v143 of VS toolset (#757) * [AUTO][RELEASE]: Bump file header version to "202112.00" * Update file headers to satisfy core checks Co-authored-by: Muneeb Ahmed <54290492+muneebahmed10@users.noreply.github.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: johnrhen <johnrhen@users.noreply.github.com>
95 lines
3.3 KiB
C
95 lines
3.3 KiB
C
/*
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* FreeRTOS memory safety proofs with CBMC.
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* https://aws.amazon.com/freertos
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* https://www.FreeRTOS.org
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*/
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#include "FreeRTOS.h"
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#include "queue.h"
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#include "queue_init.h"
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#include "tasksStubs.h"
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#include "cbmc.h"
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/* prvUnlockQueue is going to decrement this value to 0 in the loop.
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* We need a bound for the loop. Using 4 has a reasonable performance resulting
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* in 3 unwinding iterations of the loop. The loop is mostly modifying a
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* data structure in task.c that is not in the scope of the proof. */
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#ifndef LOCK_BOUND
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#define LOCK_BOUND 4
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#endif
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/* This code checks for time outs. This value is used to bound the time out
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* wait period. The stub function xTaskCheckForTimeOut used to model
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* this wait time will be bounded to this define. */
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#ifndef QUEUE_RECEIVE_BOUND
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#define QUEUE_RECEIVE_BOUND 4
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#endif
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/* If the item size is not bounded, the proof does not finish in a reasonable
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* time due to the involved memcpy commands. */
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#ifndef MAX_ITEM_SIZE
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#define MAX_ITEM_SIZE 20
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#endif
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QueueHandle_t xQueue;
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/* This method is used to model side effects of concurrency.
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* The initialization of pxTimeOut is not relevant for this harness. */
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void vTaskInternalSetTimeOutState( TimeOut_t * const pxTimeOut )
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{
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__CPROVER_assert( __CPROVER_w_ok( &( pxTimeOut->xOverflowCount ), sizeof( BaseType_t ) ), "pxTimeOut should be a valid pointer and xOverflowCount writable" );
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__CPROVER_assert( __CPROVER_w_ok( &( pxTimeOut->xTimeOnEntering ), sizeof( TickType_t ) ), "pxTimeOut should be a valid pointer and xTimeOnEntering writable" );
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xQueue->uxMessagesWaiting = nondet_BaseType_t();
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}
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void harness()
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{
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vInitTaskCheckForTimeOut( 0, QUEUE_RECEIVE_BOUND - 1 );
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xQueue = xUnconstrainedQueueBoundedItemSize( MAX_ITEM_SIZE );
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TickType_t xTicksToWait;
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if( xState == taskSCHEDULER_SUSPENDED )
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{
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xTicksToWait = 0;
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}
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if( xQueue )
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{
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xQueue->cTxLock = LOCK_BOUND - 1;
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xQueue->cRxLock = LOCK_BOUND - 1;
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void * pvBuffer = pvPortMalloc( xQueue->uxItemSize );
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if( !pvBuffer )
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{
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xQueue->uxItemSize = 0;
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}
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xQueueReceive( xQueue, pvBuffer, xTicksToWait );
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}
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}
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