1 // RUN: %clang_asan -O2 %s -o %t 2 // We need replace_str=0 and replace_intrin=0 to avoid reporting errors in 3 // strlen() and memcpy() called by puts(). 4 // RUN: %env_asan_opts=replace_str=0:replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s 5 // RUN: %env_asan_opts=replace_str=0:replace_intrin=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s 6 7 // FIXME: printf is not intercepted on Windows yet. 8 // XFAIL: win32 9 10 #include <stdio.h> 11 int main() { 12 volatile char c = '0'; 13 volatile int x = 12; 14 volatile float f = 1.239; 15 volatile char s[] = "34"; 16 volatile char buf[2]; 17 sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s); 18 puts((const char *)buf); 19 return 0; 20 // Check that size of output buffer is sanitized. 21 // CHECK-ON: stack-buffer-overflow 22 // CHECK-ON-NOT: 0 12 1.239 34 23 } 24
