compiler-rt/test/hwasan/TestCases/Linux/aligned_alloc-alignment.cpp

   1 // RUN: %clangxx_hwasan -O0 %s -o %t
   2 // RUN: %env_hwasan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s
   3 // RUN: %env_hwasan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
   4
   5 // UNSUPPORTED: android
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 extern void *aligned_alloc(size_t alignment, size_t size);
  11
  12 int main() {
  13   void *p = aligned_alloc(17, 100);
  14   // CHECK: ERROR: HWAddressSanitizer: invalid alignment requested in aligned_alloc: 17
  15   // CHECK: {{#0 0x.* in .*}}{{aligned_alloc|memalign}}
  16   // CHECK: {{#1 0x.* in main .*aligned_alloc-alignment.cpp:}}[[@LINE-3]]
  17   // CHECK: SUMMARY: HWAddressSanitizer: invalid-aligned-alloc-alignment {{.*}} in main
  18
  19   printf("pointer after failed aligned_alloc: %zd\n", (size_t)p);
  20   // CHECK-NULL: pointer after failed aligned_alloc: 0
  21
  22   return 0;
  23 }