brintos

brintos / llvm-project-archived public Read only

0
0
Text · 700 B · eee1925 Raw
26 lines · c
1// Test strict_str`ing_checks option in strspn function2// RUN: %clang_asan %s -o %t && %run %t 2>&13// RUN: %env_asan_opts=strict_string_checks=false %run %t 2>&14// RUN: %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s5 6#include <assert.h>7#include <stdlib.h>8#include <string.h>9 10int main(int argc, char **argv) {11  size_t size = 100;12  char fill = 'o';13  char *s1 = (char*)malloc(size);14  char *s2 = (char*)malloc(2);15  memset(s1, fill, size);16  s1[0] = s2[0] = 'z';17  s2[1] = '\0';18  size_t r = strspn(s1, s2);19  // CHECK: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}20  // CHECK: READ of size 10121  assert(r == 1);22  free(s1);23  free(s2);24  return 0;25}26