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V3528. AUTOSAR. The address of an objec…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
Customer specific requests (C++)
MISRA errors
AUTOSAR errors
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Contents

V3528. AUTOSAR. The address of an object with local scope should not be passed out of its scope.

Mar 03 2021

This diagnostic rule is based on the software development guidelines developed by AUTOSAR (AUTomotive Open System ARchitecture).

Copying an object's address to a pointer/reference with a long lifetime may cause that pointer/reference to become "dangling" after the original object has ceased to exist. This is a case of memory safety violation. Using data referenced by a "dangling" pointer/reference leads to undefined behavior.

First example of non-compliable code:

int& Foo( void )
{
  int some_variable;
  ....
  return some_variable;
}

Second example of non-compliable code:

#include <stddef.h>
void Bar( int **ptr )
{
  int some_variable;
  ....
  if (ptr != NULL)
    *ptr = &some_variable;
}

This diagnostic is classified as:

  • AUTOSAR-M7.5.2
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