1  // TODO: remove need for this option:
       2  /* { dg-additional-options "-fanalyzer-checker=taint" } */
       3  
       4  #include "analyzer-decls.h"
       5  #include <stdio.h>
       6  #include <stdlib.h>
       7  #include <string.h>
       8  
       9  /* malloc with tainted size from a syscall.  */
      10  
      11  void *p;
      12  
      13  void __attribute__((tainted_args))
      14  test_1 (size_t sz) /* { dg-message "\\(1\\) function 'test_1' marked with '__attribute__\\(\\(tainted_args\\)\\)'" } */
      15  {
      16    /* TODO: should have a message saying why "sz" is tainted, e.g.
      17       "treating 'sz' as attacker-controlled because 'test_1' is marked with '__attribute__((tainted_args))'"  */
      18  
      19    p = malloc (sz); /* { dg-warning "use of attacker-controlled value 'sz' as allocation size without upper-bounds checking" "warning" } */
      20    /* { dg-message "\\(\[0-9\]+\\) use of attacker-controlled value 'sz' as allocation size without upper-bounds checking" "final event" { target *-*-* } .-1 } */
      21  }