1 // Test strict_string_checks option in strcasestr function 2 // RUN: %clang_asan %s -o %t && %run %t 2>&1 3 // RUN: %env_asan_opts=strict_string_checks=false %run %t 2>&1 4 // RUN: %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s 5 6 // There's no interceptor for strcasestr on Windows 7 // XFAIL: win32 8 9 #define _GNU_SOURCE 10 #include <assert.h> 11 #include <stdlib.h> 12 #include <string.h> 13 14 int main(int argc, char **argv) { 15 size_t size = 100; 16 char *s1 = (char*)malloc(size); 17 char *s2 = (char*)malloc(size); 18 memset(s1, 'o', size); 19 memset(s2, 'O', size); 20 s2[size - 1]='\0'; 21 char* r = strcasestr(s1, s2); 22 // CHECK: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}} 23 // CHECK: READ of size 101 24 assert(r == s1); 25 free(s1); 26 free(s2); 27 return 0; 28 } 29
