// RUN: %clangxx_asan %s -o %t && not %t 2>&1 | FileCheck %s | |
// RUN: %clangxx_asan -O %s -o %t && not %t 2>&1 | FileCheck %s | |
// Check that we can find huge buffer overflows to the left. | |
#include <stdlib.h> | |
#include <string.h> | |
int main(int argc, char **argv) { | |
char *x = (char*)malloc(1 << 20); | |
memset(x, 0, 10); | |
int res = x[-argc * 4000]; // BOOOM | |
// CHECK: is located 4000 bytes to the left of | |
free(x); | |
return res; | |
} |