compiler-rt/test/asan/TestCases/Posix/bcmp_test.cpp

   1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
   2 // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
   3 // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
   4 // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
   5
   6 // REQUIRES: compiler-rt-optimized, (linux && !android) || openbsd || freebsd || netbsd
   7 // XFAIL: darwin
   8
   9 #include <string.h>
  10 int main(int argc, char **argv) {
  11   char a1[] = {static_cast<char>(argc), 2, 3, 4};
  12   char a2[] = {1, static_cast<char>(2 * argc), 3, 4};
  13   int res = bcmp(a1, a2, 4 + argc); // BOOM
  14   // CHECK: AddressSanitizer: stack-buffer-overflow
  15   // CHECK: {{#[0-9]+ .*bcmp}}
  16   // CHECK: {{#[0-9]+ .*main}}
  17   return res;
  18 }