1 // RUN: %clang_cl_asan -O0 %s -Fe%t 2 // RUN: not %run %t 2>&1 | FileCheck %s 3 4 #include <stdio.h> 5 #include <string.h> 6 #include <malloc.h> 7 8 int main() { 9 char *ptr = _strdup("Hello"); 10 int subscript = 1; 11 ptr[subscript] = '3'; 12 printf("%s\n", ptr); 13 fflush(0); 14 // CHECK: H3llo 15 16 subscript = -1; 17 ptr[subscript] = 42; 18 // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 19 // CHECK: WRITE of size 1 at [[ADDR]] thread T0 20 // CHECK: {{#0 .* main .*}}intercept_strdup.cc:[[@LINE-3]] 21 // CHECK: [[ADDR]] is located 1 bytes to the left of 6-byte region 22 // CHECK: allocated by thread T0 here: 23 // CHECK: {{#0 .* malloc }} 24 // CHECK: {{#1 .* _strdup }} 25 // CHECK: {{#2 .* main .*}}intercept_strdup.cc:[[@LINE-16]] 26 free(ptr); 27 } 28
