File: flush.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (38 lines) | stat: -rw-r--r-- 987 bytes parent folder | download | duplicates (22) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
// Tests dfsan_flush().
// RUN: %clang_dfsan %s -o %t && %run %t
// RUN: %clang_dfsan -DORIGIN_TRACKING -mllvm -dfsan-track-origins=1 %s -o %t && %run %t

#include <sanitizer/dfsan_interface.h>
#include <assert.h>
#include <stdlib.h>

int global;

int main() {
  int local;
  int *heap = (int*)malloc(sizeof(int));

  dfsan_set_label(10, &global, sizeof(global));
  dfsan_set_label(20, &local, sizeof(local));
  dfsan_set_label(30, heap, sizeof(*heap));

  assert(dfsan_get_label(global) == 10);
  assert(dfsan_get_label(local) == 20);
  assert(dfsan_get_label(*heap) == 30);
#ifdef ORIGIN_TRACKING
  assert(dfsan_get_origin(global));
  assert(dfsan_get_origin(local));
  assert(dfsan_get_origin(*heap));
#endif

  dfsan_flush();

  assert(dfsan_get_label(global) == 0);
  assert(dfsan_get_label(local) == 0);
  assert(dfsan_get_label(*heap) == 0);
  assert(dfsan_get_origin(global) == 0);
  assert(dfsan_get_origin(local) == 0);
  assert(dfsan_get_origin(*heap) == 0);

  free(heap);
}