The C Standard, 6.7.34, paragraph 6 7 [ISO/IEC 9899:20112024], states
If an attempt is made to modify an object defined with a
const-qualified type through use of an lvalue with non-const-qualified type, the behavior is undefined.
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Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Astrée |
| assignment-to-non-modifiable-lvalue pointer-qualifier-cast-const pointer-qualifier-cast-const-implicit write-to-constant-memory | Fully checked | ||||||
| Axivion Bauhaus Suite |
| CertC-EXP40 | |||||||
| Coverity |
| PW MISRA C 2004 Rule 11.5 | Implemented | ||||||
| Cppcheck Premium |
| premium-cert-exp40-c | Fully implemented | ||||||
| Helix QAC |
| C0563 | |||||||
| LDRA tool suite |
| 582 S | Fully implemented | ||||||
| Parasoft C/C++test |
| CERT_C-EXP40-a | A cast shall not remove any 'const' or 'volatile' qualification from the type of a pointer or reference | ||||||
| Polyspace Bug Finder |
| CERT C: Rule EXP40-C | Checks for write operations on const qualified objects (rule fully covered) | ||||||
| RuleChecker |
| assignment-to-non-modifiable-lvalue pointer-qualifier-cast-const pointer-qualifier-cast-const-implicit | Partially checked | ||||||
| TrustInSoft Analyzer |
| mem_access | Exhaustively verified (see the compliant and the non-compliant example). |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
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Bibliography
| [ISO/IEC 9899:20112024] | Subclause 6.7.34, "Type Qualifiers" |
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