forked from OSchip/llvm-project
26 lines
783 B
C
26 lines
783 B
C
// 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: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
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// FIXME: sprintf is not intercepted on Windows yet.
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// XFAIL: win32
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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 char buf[2];
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fputs("before sprintf\n", stderr);
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sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s);
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fputs("after sprintf", stderr);
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fputs((const char *)buf, stderr);
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return 0;
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// Check that size of output buffer is sanitized.
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// CHECK-ON: before sprintf
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// CHECK-ON-NOT: after sprintf
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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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}
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