compiler-rt/test/asan/TestCases/Linux/memmem_test.cpp

   1 // RUN: %clangxx_asan  %s -o %t
   2 // RUN: not %run %t   2>&1 | FileCheck %s --check-prefix=A1
   3 // RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=A2
   4 // RUN: %env_asan_opts=intercept_memmem=0 %run %t
   5
   6 #include <string.h>
   7 int main(int argc, char **argv) {
   8   char a1[] = {1, 2, 3, 4, 5, 6, 7, 8};
   9   char a2[] = {3, 4, 5};
  10   void *res;
  11   if (argc == 1)
  12     res = memmem(a1, sizeof(a1) + 1, a2, sizeof(a2));  // BOOM
  13   else
  14     res = memmem(a1, sizeof(a1), a2, sizeof(a2) + 1);  // BOOM
  15   // A1: AddressSanitizer: stack-buffer-overflow
  16   // A1: {{#0.*memmem}}
  17   // A1-NEXT: {{#1.*main}}
  18   // A1: 'a1'{{.*}} <== Memory access at offset
  19   //
  20   // A2: AddressSanitizer: stack-buffer-overflow
  21   // A2: {{#0.*memmem}}
  22   // A2: 'a2'{{.*}} <== Memory access at offset
  23   return res == NULL;
  24 }