compiler-rt/test/hwasan/TestCases/hwasan_symbolize_stack_uas.cpp

   1 // RUN: rm -rf %t; mkdir %t
   2 // RUN: %clang_hwasan -Wl,--build-id -g %s -o %t/hwasan_uas
   3 // RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_uas 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s
   4
   5 // This doesn't work on X86, because that uses instrument-with-calls which
   6 // disables frame records.
   7 // REQUIRES: aarch64-target-arch
   8
   9 #include <sanitizer/hwasan_interface.h>
  10 #include <stdlib.h>
  11
  12 static volatile char sink;
  13
  14 int main(int argc, char **argv) {
  15   volatile char *y;
  16   {
  17     volatile char x[10];
  18     y = &x[0];
  19   }
  20   sink = *y;
  21   // CHECK: Potentially referenced stack object:
  22   // CHECK:   0 bytes inside a variable "x" in stack frame of function "main"
  23   // CHECK:   at {{.*}}hwasan_symbolize_stack_uas.cpp:[[@LINE-6]]
  24   return 0;
  25 }