| 1 | // RUN: %clang_asan -Wno-excess-initializers -O2 %s -o %t |
|---|---|
| 2 | // We need replace_intrin=0 to avoid reporting errors in memcpy. |
| 3 | // RUN: %env_asan_opts=replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s |
| 4 | // RUN: %env_asan_opts=replace_intrin=0:check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s |
| 5 | // RUN: %env_asan_opts=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: target={{.*windows-(msvc.*|gnu)}} |
| 9 | |
| 10 | // FIXME: The test is flaky after build bot upgrade. #97515 |
| 11 | // UNSUPPORTED: android |
| 12 | |
| 13 | #include <stdio.h> |
| 14 | #include <string.h> |
| 15 | int main() { |
| 16 | volatile char c = '0'; |
| 17 | volatile int x = 12; |
| 18 | volatile float f = 1.239; |
| 19 | volatile char s[] = "34"; |
| 20 | volatile char fmt[2] = "%c %d %f %s\n"; |
| 21 | printf(format: (char *)fmt, c, x, f, s); |
| 22 | return 0; |
| 23 | // Check that format string is sanitized. |
| 24 | // CHECK-ON: stack-buffer-overflow |
| 25 | // CHECK-ON-NOT: 0 12 1.239 34 |
| 26 | // CHECK-OFF: 0 |
| 27 | } |
| 28 |