Q
Detector Library
C detectors (34/34)
Logging of sensitive informationInsecure Use Of ChrootDeadlock And Lock InconsistencyUnsafe File ExtensionOS command injectionIncorrect Use Of FreeUse Of Uninitialized VariableInsecure Use strcat fnSQL injectionBitwise Operator On Signed OperandInsecure use gets fnRandom fd exhaustionRedundant Free UsageInsecure Use MemsetDivide By Zero.Return Stack AddressUnchecked Return ValueIncorrect Format SpecifierUnhandled Expression ResultPath traversalImproper Input ValidationOut Of Bounds ReadInteger OverflowInsecure use strtok functionImproper size of a memory bufferincomplete-cleanupNull pointer dereferenceInsecure Temporary File Or DirectoryInsecure Buffer AccessIncorrect Use Ato FnLoose File PermissionsExposure of Sensitive InformationOut-of-bounds WriteString Equality
Return Stack Address High
A function returns the address of a stack variable will cause unintended program behavior, typically in the form of a crash. Since a subsequent function call is likely to re-use this same stack address.
Detector ID
c/return-stack-address@v1.0
Category
Common Weakness Enumeration (CWE) 
Tags
Noncompliant example
1#include <stdio.h>
2#include <stdlib.h>
3
4// Noncompliant: Returning a stack address
5int* returnStackAddressNonCompliant() {
6 int localVar = 42;
7 return &localVar;
8}
Compliant example
1#include <stdio.h>
2#include <stdlib.h>
3
4// Compliant: Returning a heap-allocated address
5int* returnStackAddressCompliant() {
6 int* ptr = (int*)malloc(sizeof(int));
7 *ptr = 42;
8 return ptr;
9}