FaultDetection-DoubleFree

Do not release dynamically allocated memory twice

Required inputs: IR, StaticSemanticAnalysis

This check detects attempts to free/delete a pointer more than once.

Possible Messages

Key	Text	Severity	Disabled
double_free	Dynamic memory released here was already released earlier	None	False
possible_double_free	Dynamic memory released here possibly already released earlier	None	False

Options

• This rule shares the following common options: exclude_in_macros, exclude_messages_in_system_headers, excludes, extend_exclude_to_macro_invocations, includes, justification_checker, languages, post_processing, provider, report_at, severity

• The following places define options that affect this rule: Stylechecks, Analysis-GlobalOptions

resources

resources

Type: set[str]

Default: {'C++ArrayHeapMemory', 'C++HeapMemory', 'CudaAsyncMemory', 'CudaDeviceMemory', 'CudaDriverAsyncMemory', 'CudaHostMemory', 'CudaManagedMemory', 'FileHandle', 'HeapMemory', 'UniquePtrHeapMemory'}

Set of resources to be checked (selection of rules in the Resources group).

 

witness_paths

witness_paths : bool = True

Whether witness paths should be determined and included in the issue.