File: suppressions-library.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (42 lines) | stat: -rw-r--r-- 1,095 bytes parent folder | download | duplicates (10)
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
39
40
41
42
// RUN: %clangxx_asan -O0 -DSHARED_LIB %s %fPIC -shared -o %dynamiclib %ld_flags_rpath_so
// RUN: %clangxx_asan -O0 %s -o %t %ld_flags_rpath_exe

// Check that without suppressions, we catch the issue.
// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s

// FIXME: Remove usage of backticks around basename below.
// REQUIRES: shell

// RUN: echo "interceptor_via_lib:"%xdynamiclib_filename > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s

// XFAIL: android

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#if !defined(SHARED_LIB)

void crash_function();

int main(int argc, char *argv[]) {
  crash_function();
  return 0;
}

#else // SHARED_LIB

void crash_function() {
  char *a = (char *)malloc(6);
  free(a);
  size_t len = strlen(a); // BOOM
  fprintf(stderr, "strlen ignored, %zu\n", len);
}

#endif // SHARED_LIB

// CHECK-CRASH: AddressSanitizer: heap-use-after-free
// CHECK-CRASH-NOT: strlen ignored
// CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free
// CHECK-IGNORE: strlen ignored