File: memmem_test.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 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 (24 lines) | stat: -rw-r--r-- 783 bytes parent folder | download | duplicates (36) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
// RUN: %clangxx_asan  %s -o %t
// RUN: not %run %t   2>&1 | FileCheck %s --check-prefix=A1
// RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=A2
// RUN: %env_asan_opts=intercept_memmem=0 %run %t

#include <string.h>
int main(int argc, char **argv) {
  char a1[] = {1, 2, 3, 4, 5, 6, 7, 8};
  char a2[] = {3, 4, 5};
  void *res;
  if (argc == 1)
    res = memmem(a1, sizeof(a1) + 1, a2, sizeof(a2));  // BOOM
  else
    res = memmem(a1, sizeof(a1), a2, sizeof(a2) + 1);  // BOOM
  // A1: AddressSanitizer: stack-buffer-overflow
  // A1: {{#0.*memmem}}
  // A1-NEXT: {{#1.*main}}
  // A1: 'a1'{{.*}} <== Memory access at offset
  //
  // A2: AddressSanitizer: stack-buffer-overflow
  // A2: {{#0.*memmem}}
  // A2: 'a2'{{.*}} <== Memory access at offset
  return res == NULL;
}