test/asan/TestCases/Linux/asan_preload_test-1.cc

   1 // Test that non-sanitized executables work with sanitized shared libs
   2 // and preloaded runtime.
   3 //
   4 // RUN: %clangxx -DBUILD_SO=1 -fPIC -shared %s -o %t.so
   5 // RUN: %clangxx %s %t.so -o %t
   6 //
   7 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so
   8 // RUN: LD_PRELOAD=%shared_libasan not %t 2>&1 | FileCheck %s
   9
  10 // REQUIRES: asan-dynamic-runtime
  11
  12 #if BUILD_SO
  13 char dummy;
  14 void do_access(const void *p) {
  15   // CHECK: AddressSanitizer: heap-buffer-overflow
  16   dummy = ((const char *)p)[1];
  17 }
  18 #else
  19 #include <stdlib.h>
  20 extern void do_access(const void *p);
  21 int main(int argc, char **argv) {
  22   void *p = malloc(1);
  23   do_access(p);
  24   free(p);
  25   return 0;
  26 }
  27 #endif