20 lines
633 B
C
20 lines
633 B
C
// RUN: %clang_asan -O2 %s -o %t
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// RUN: ASAN_OPTIONS=check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
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// RUN: ASAN_OPTIONS=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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#include <stdio.h>
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int main() {
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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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