Files
clang-p2996/compiler-rt/test/scudo/malloc.cpp
Kostya Kortchinsky ada2761407 [scudo] Fix an edge case in the secondary allocator
Summary:
s/CHECK_LT/CHECK_LE/ in the secondary allocator, as under certain circumstances
Ptr + Size can be equal to MapEnd. This edge case was not found by the current
tests, so those were extended to be able to catch that.

Reviewers: kcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25101

llvm-svn: 282913
2016-09-30 19:57:21 +00:00

32 lines
577 B
C++

// RUN: %clang_scudo %s -o %t
// RUN: %run %t 2>&1
// Tests that a regular workflow of allocation, memory fill and free works as
// intended. Also tests that a zero-sized allocation succeeds.
#include <malloc.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
int main(int argc, char **argv)
{
void *p;
std::vector<size_t> sizes{1, 1 << 5, 1 << 10, 1 << 15, 1 << 20};
p = malloc(0);
if (!p)
return 1;
free(p);
for (size_t size : sizes) {
p = malloc(size);
if (!p)
return 1;
memset(p, 'A', size);
free(p);
}
return 0;
}