1  /* PR sanitizer/80166 */
       2  /* { dg-do run } */
       3  /* { dg-additional-options "-Wno-stringop-overflow" } */
       4  
       5  #include <sys/types.h>
       6  #include <unistd.h>
       7  
       8  int
       9  main (int argc, char **argv)
      10  {
      11    gid_t groups;
      12    int r = getgroups (0, &groups);
      13    if (r < 0)
      14      __builtin_abort ();
      15  
      16    r = getgroups (-1, &groups);
      17    if (r != -1)
      18      __builtin_abort ();
      19  
      20    r = getgroups (-1, NULL);
      21    if (r != -1)
      22      __builtin_abort ();
      23  
      24    return 0;
      25  }