forked from OSchip/llvm-project
14 lines
441 B
C++
14 lines
441 B
C++
// RUN: %clangxx_asan %s -o %t && not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %clangxx_asan -O %s -o %t && not %run %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;
|
|
}
|