compiler-rt/test/asan/TestCases/Linux/asan_preload_test-2.cpp

   1 // Test that preloaded runtime works with unsanitized executables.
   2 //
   3 // RUN: %clangxx %s -o %t
   4 // RUN: env LD_PRELOAD=%shared_libasan not %run %t 2>&1 | FileCheck %s
   5
   6 // REQUIRES: asan-dynamic-runtime
   7
   8 // This way of setting LD_PRELOAD does not work with Android test runner.
   9 // REQUIRES: !android
  10
  11 #include <stdlib.h>
  12
  13 extern "C" ssize_t write(int fd, const void *buf, size_t count);
  14
  15 void do_access(void *p) {
  16   // CHECK: AddressSanitizer: heap-buffer-overflow
  17   write(1, p, 2);
  18 }
  19
  20 int main(int argc, char **argv) {
  21   void *p = malloc(1);
  22   do_access(p);
  23   return 0;
  24 }