File: kernel-defaults.c

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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/* { dg-do compile } */
/* { dg-additional-options "-fno-sanitize=hwaddress -fsanitize=kernel-hwaddress" } */


/* Defaults to check for kernel-hwaddress.
   1) No stack tagging => no calls to __hwasan_tag_memory.
   2) No block scope tagging (same again).
   3) Use sanitize-recover by default (everything ends in noabort). */
int __attribute__ ((noinline))
accessing_pointers (int *left, int *right)
{
  int x = right[2];
  left[3] = right[1];
  return right[1] + left[2];
}

int __attribute__ ((noinline))
using_stack (int num)
{
  int big_array[10];
  int other_array[20];
  accessing_pointers(other_array, big_array);
  return big_array[num];
}

#ifndef ARG
#define ARG 0
#endif
int __attribute__ ((noinline))
main ()
{
  using_stack (ARG);
  return 0;
}

/* { dg-final { scan-assembler-not "__hwasan_tag_memory" } } */
/* { dg-final { scan-assembler-not "__hwasan_(load|store)\\d(?!_noabort)" } } */