bcmp_test.cpp 708 Bytes
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s

// REQUIRES: compiler-rt-optimized, (linux && !android) || openbsd || freebsd || netbsd 
// XFAIL: darwin

#include <string.h>
int main(int argc, char **argv) {
  char a1[] = {static_cast<char>(argc), 2, 3, 4};
  char a2[] = {1, static_cast<char>(2 * argc), 3, 4};
  int res = bcmp(a1, a2, 4 + argc); // BOOM
  // CHECK: AddressSanitizer: stack-buffer-overflow
  // CHECK: {{#1.*bcmp}}
  // CHECK: {{#2.*main}}
  return res;
}