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Noncompliant Code Example (function-try-block)
This noncompliant code example, as well as the following compliant solution, presumes the existence of a Bad class with a destructor that can throw. Although the class violates this rule, it is presumed that the class cannot be modified to comply with this rule.
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Attempting to throw exceptions from destructors or deallocation functions can result in undefined behavior, leading to resource leaks or denial-of-service attacks.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
DCL57-CPP | Low | Likely | Medium | P6 | L2 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Astrée |
| destructor-without-noexcept delete-without-noexcept | Fully checked | ||||||
| Axivion Bauhaus Suite |
| CertC++-DCL57 | |||||||
| CodeSonar |
| LANG.STRUCT.EXCP.CATCH LANG.STRUCT.EXCP.THROW | Use of catch Use of throw | ||||||
| Helix QAC |
| C++2045, C++2047, C++4032, C++4631 | |||||||
| Klocwork |
| MISRA.DTOR.THROW | |||||||
| LDRA tool suite |
| 453 S | Partially implemented | ||||||
| Parasoft C/C++test |
| CERT_CPP-DCL57-a | Never allow an exception to be thrown from a destructor, deallocation, and swap | ||||||
| Polyspace Bug Finder |
| CERT C++: DCL57-CPP | Checks for class destructors exiting with an exception (rule partially covered) | ||||||
| PVS-Studio |
| V509, V1045 | |||||||
| RuleChecker |
| destructor-without-noexcept delete-without-noexcept | Fully checked |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
| SEI CERT C++ Coding Standard | ERR55-CPP. Honor exception specifications ERR50-CPP. Do not abruptly terminate the program |
| MISRA C++:2008 | Rule 15-5-1 (Required) |
Bibliography
| [Henricson 1997] | Recommendation 12.5, Do not let destructors called during stack unwinding throw exceptions |
| [ISO/IEC 14882-2014] | Subclause 3.4.7.2, "Deallocation Functions" |
| [Meyers 2005] | Item 8, "Prevent Exceptions from Leaving Destructors" |
| [Sutter 2000] | "Never allow exceptions from escaping destructors or from an overloaded operator delete()" (p. 29) |
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