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Diffstat (limited to 'test/asan/TestCases/printf-3.c')
| -rw-r--r-- | test/asan/TestCases/printf-3.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/asan/TestCases/printf-3.c b/test/asan/TestCases/printf-3.c new file mode 100644 index 000000000000..d16833d83c6e --- /dev/null +++ b/test/asan/TestCases/printf-3.c @@ -0,0 +1,22 @@ +// RUN: %clang_asan -O2 %s -o %t +// RUN: env ASAN_OPTIONS=check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s +// RUN: env ASAN_OPTIONS=check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s +// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s + +// FIXME: printf is not intercepted on Windows yet. +// XFAIL: win32 + +#include <stdio.h> +int main() { + volatile char c = '0'; + volatile int x = 12; + volatile float f = 1.239; + volatile char s[] = "34"; + volatile int n[1]; + printf("%c %d %.3f %s%n\n", c, x, f, s, &n[1]); + return 0; + // Check that %n is sanitized. + // CHECK-ON: stack-buffer-overflow + // CHECK-ON-NOT: 0 12 1.239 34 + // CHECK-OFF: 0 12 1.239 34 +} |