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/* Integration test of how the execution path looks for
-Wanalyzer-tainted-assertion with macro-tracking enabled
(the default), where the assertion macro is defined in
a system header. */
// TODO: remove need for this option
/* { dg-additional-options "-fanalyzer-checker=taint" } */
/* { dg-additional-options "-fdiagnostics-show-path-depths" } */
/* { dg-additional-options "-fdiagnostics-path-format=inline-events -fdiagnostics-show-caret" } */
/* An assertion macro that has a call to a __noreturn__ function. */
/* This is marked as a system header. */
#include "test-assert.h"
int __attribute__((tainted_args))
test_tainted_assert (int n)
{
assert (n > 0); /* { dg-warning "use of attacked-controlled value in condition for assertion \\\[CWE-617\\\] \\\[-Wanalyzer-tainted-assertion\\\]" } */
return n * n;
}
/* { dg-begin-multiline-output "" }
assert (n > 0);
^~~~~~
'test_tainted_assert': event 1 (depth 0)
|
| test_tainted_assert (int n)
| ^~~~~~~~~~~~~~~~~~~
| |
| (1) function 'test_tainted_assert' marked with '__attribute__((tainted_args))'
|
+--> 'test_tainted_assert': event 2 (depth 1)
|
| test_tainted_assert (int n)
| ^~~~~~~~~~~~~~~~~~~
| |
| (2) entry to 'test_tainted_assert'
|
'test_tainted_assert': events 3-6 (depth 1)
|
|
| do { if (!(EXPR)) __assert_fail (#EXPR, __FILE__, __LINE__); } while (0)
| ^ ~~~~~~~~~~~~~
| | |
| | (5) ...to here
| | (6) treating '__assert_fail' as an assertion failure handler due to '__attribute__((__noreturn__))'
| (3) use of attacker-controlled value for control flow
| (4) following 'true' branch (when 'n <= 0')...
|
{ dg-end-multiline-output "" } */
|
