1 // RUN: %clangxx_asan %s -o %t && not %run %t 2>&1 | FileCheck %s 2 // RUN: %clangxx_asan -O %s -o %t && not %run %t 2>&1 | FileCheck %s 3 // Check that we can find huge buffer overflows to the left. 4 #include <stdlib.h> 5 #include <string.h> 6 int main(int argc, char **argv) { 7 char *x = (char*)malloc(1 << 20); 8 memset(x, 0, 10); 9 int res = x[-argc * 4000]; // BOOOM 10 // CHECK: is located 4000 bytes to the left of 11 free(x); 12 return res; 13 } 14
