Invalid Deallocation

Occurs when an application calls a deallocation function with an address that does not correspond to dynamically allocated memory.

Problem type: Invalid deallocation

ID	Code location	Description
1	Invalid deallocation site	Represents the location from which the invalid call to a deallocation function was made.

C Examples/Windows* OS

int x = 1;
int *p = &x;
VirtualFree(p, 1, MEM_DECOMMIT);

void *p = VirtualAlloc(NULL,1,MEM_COMMIT,PAGE_READWRITE);
VirtualFree(p,1,MEM_DECOMMIT);
VirtualFree(p,1,MEM_DECOMMIT);

void *p = mmap(NULL, 8, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
munmap(p, 8);
munmap(p, 8);

If	Do This
This code location should free memory.	Change the code to pass in dynamically allocated memory.
This code location does not need to free memory.	Remove the call to the deallocation function.