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31 lines
956 B
31 lines
956 B
// RUN: %clang_asan -O2 %s -o %t
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// RUN: %env_asan_opts=check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
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// RUN: %env_asan_opts=check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
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// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
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// FIXME: printf is not intercepted on Windows yet.
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// XFAIL: windows-msvc
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// New Bionic rejects %n
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// https://android.googlesource.com/platform/bionic/+/41398d03b7e8e0dfb951660ae713e682e9fc0336
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// UNSUPPORTED: android
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#include <stdio.h>
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int main() {
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#ifdef _MSC_VER
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// FIXME: The test raises a dialog even though it's XFAILd.
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return 42;
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#endif
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volatile char c = '0';
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volatile int x = 12;
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volatile float f = 1.239;
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volatile char s[] = "34";
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volatile int n[1];
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printf("%c %d %.3f %s%n\n", c, x, f, s, &n[1]);
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return 0;
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// Check that %n is sanitized.
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// CHECK-ON: stack-buffer-overflow
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// CHECK-ON-NOT: 0 12 1.239 34
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// CHECK-OFF: 0 12 1.239 34
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}
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