| 1 | // RUN: %clang_asan -O2 %s -o %t |
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| 2 | // RUN: %env_asan_opts=check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s |
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| 3 | // RUN: %env_asan_opts=check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s |
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| 4 | // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s |
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| 5 | |
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| 6 | // FIXME: printf is not intercepted on Windows yet. |
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| 7 | // XFAIL: target={{.*windows-(msvc.*|gnu)}} |
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| 8 | |
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| 9 | // New Bionic rejects %n |
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| 10 | // https://android.googlesource.com/platform/bionic/+/41398d03b7e8e0dfb951660ae713e682e9fc0336 |
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| 11 | // UNSUPPORTED: android |
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| 12 | |
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| 13 | #include <stdio.h> |
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| 14 | int main() { |
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| 15 | #ifdef _MSC_VER |
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| 16 | // FIXME: The test raises a dialog even though it's XFAILd. |
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| 17 | return 42; |
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| 18 | #endif |
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| 19 | volatile char c = '0'; |
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| 20 | volatile int x = 12; |
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| 21 | volatile float f = 1.239; |
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| 22 | volatile char s[] = "34" ; |
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| 23 | volatile int n[1]; |
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| 24 | printf(format: "%c %d %.3f %s%n\n" , c, x, f, s, &n[1]); |
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| 25 | return 0; |
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| 26 | // Check that %n is sanitized. |
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| 27 | // CHECK-ON: stack-buffer-overflow |
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| 28 | // CHECK-ON-NOT: 0 12 1.239 34 |
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| 29 | // CHECK-OFF: 0 12 1.239 34 |
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| 30 | } |
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| 31 | |
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