Page Information

Title:	EXP39-C. Do not access a variable through a pointer of an incompatible type
Author:	pranav kukreja	Nov 08, 2008
Last Changed by:	David Svoboda	May 05, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/ptYxBQ
Export As:	Word · PDF

SEI CERT C Coding Standard (3)     Page: DD. Unspecified Behavior     Page: CC. Undefined Behavior     Page: MEM02-C. Immediately cast the result of a memory allocation function call into a pointer to the allocated type

Parent Page     Page: Rule 03. Expressions (EXP)

• nptc
• rose-possible
• android-applicable
• rule
• exp
• cwe-119
• nptc-aliasing
• in-cpp

Time	Editor
May 05, 2025 08:26	Swasti Shrivastava	View Changes
REM Cost Reform
Dec 11, 2024 00:36	Swasti Shrivastava	View Changes
Nov 25, 2024 13:12	Caden Milne	View Changes
Updated UB references from C11->C23
Nov 05, 2024 05:20	Swasti Shrivastava	View Changes
Oct 31, 2024 09:54	Caden Milne
Updated references from C11->C23

External Links (18)
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://cwe.mitre.org/data/index.html
    mail-index.netbsd.org/tech-kern/2003/08/11/0001.html
    www.cellperformance.com/mike_acton/2006/06/understanding_st…
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    gcc.gnu.org/bugs.html#known
    https://cwe.mitre.org/data/definitions/125.html
    https://wiki.sei.cmu.edu/confluence/display/c/How+this+Codi…
    https://wiki.sei.cmu.edu/confluence/display/c/AA.+Bibliogra…
    https://cwe.mitre.org/data/index.html704.html
    https://pvs-studio.com/en/docs/warnings/v580/
    https://www.mathworks.com/help/bugfinder/ref/certcruleexp39…
    cwe.mitre.org/
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/display/c/PVS-Studio
    cwe.mitre.org/data/definitions/119.html
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…

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