compiler-rt/test/asan/TestCases/Linux/asan_preload_test-1.cpp

   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: env LD_PRELOAD=%shared_libasan not %run %t 2>&1 | FileCheck %s
   9
  10 // REQUIRES: asan-dynamic-runtime
  11
  12 // This way of setting LD_PRELOAD does not work with Android test runner.
  13 // REQUIRES: !android
  14
  15 #if BUILD_SO
  16 char dummy;
  17 void do_access(const void *p) {
  18   // CHECK: AddressSanitizer: heap-buffer-overflow
  19   dummy = ((const char *)p)[1];
  20 }
  21 #else
  22 #include <stdlib.h>
  23 extern void do_access(const void *p);
  24 int main(int argc, char **argv) {
  25   void *p = malloc(1);
  26   do_access(p);
  27   free(p);
  28   return 0;
  29 }
  30 #endif