SEI CERT C Coding Standard

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changes.mady.by.user Unknown User (lflynn)

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changes.mady.by.user Arthur Hicken

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Comment: added parasoft

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Referencing indeterminate values of errno is undefined behavior.

Rule

Severity

Likelihood

Remediation Cost

Priority

Level

ERR32-C

Low

Unlikely

Low

P3

L3

Automated Detection

Tool

Version

Checker

Description

Compass/ROSE

 

 



Could detect violations of this rule by looking for signal handlers that themselves call signal(). A violation is reported if the call fails and the handler therefore checks errno. A violation also exists if the signal handler modifies errno without first copying its value elsewhere

Coverity
Include Page
Coverity_V
Coverity_V

MISRA C 2012 Rule 22.8

MISRA C 2012 Rule 22.9

MISRA C 2012 Rule 22.10

Implemented
LDRA tool suite
Include Page
LDRA_V
LDRA_V
44 SEnhanced enforcement
Parasoft C/C++test10.3MISRA2012-RULE-22_8, MISRA2012-RULE-22_9, MISRA2012-RULE-22_10Implemented

Related Vulnerabilities

Search for vulnerabilities resulting from the violation of this rule on the CERT website.

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Key here (explains table format and definitions)

Taxonomy

Taxonomy item

Relationship

CERT C Secure Coding StandardSIG30-C. Call only asynchronous-safe functions within signal handlersPrior to 2018-01-12: CERT: Unspecified Relationship
CERT C Secure Coding StandardSIG31-C. Do not access shared objects in signal handlersPrior to 2018-01-12: CERT: Unspecified Relationship

Bibliography

[ISO/IEC 9899:2011]Subclause 7.14.1.1, "The signal Function"

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