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// RUN: %clang_asan -O2 %s -o %t
// We need replace_intrin=0 to avoid reporting errors in memcpy.
// RUN: %env_asan_opts=replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// RUN: %env_asan_opts=replace_intrin=0:check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
// RUN: %env_asan_opts=replace_intrin=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// FIXME: printf is not intercepted on Windows yet.
// XFAIL: windows-msvc
#include <stdio.h>
#include <string.h>
int main() {
volatile char c = '0';
volatile int x = 12;
volatile float f = 1.239;
volatile char s[] = "34";
volatile char fmt[2];
memcpy((char *)fmt, "%c %d %f %s\n", sizeof(fmt));
printf((char *)fmt, c, x, f, s);
return 0;
// Check that format string is sanitized.
// CHECK-ON: stack-buffer-overflow
// CHECK-ON-NOT: 0 12 1.239 34
// CHECK-OFF: 0
}
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