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28 lines
1.0 KiB
28 lines
1.0 KiB
4 months ago
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// RUN: %clang_asan -O2 %s -o %t
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// We need replace_str=0, intercept_strlen=0 and replace_intrin=0 to avoid
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// reporting errors in strlen() and memcpy() called by printf().
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// RUN: %env_asan_opts=replace_str=0:intercept_strlen=0:replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
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// RUN: %env_asan_opts=replace_str=0:intercept_strlen=0:replace_intrin=0:check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
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// RUN: %env_asan_opts=replace_str=0:intercept_strlen=0:replace_intrin=0 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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.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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char *p = strdup((const char *)s);
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free(p);
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printf("%c %d %.3f %s\n", c, x, f, p);
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return 0;
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// Check that %s is sanitized.
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// CHECK-ON: heap-use-after-free
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// CHECK-ON-NOT: 0 12 1.239 34
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// CHECK-OFF: 0 12 1.239
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}
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