25 lines
531 B
C
25 lines
531 B
C
// RUN: %clang_dfsan %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: %run %t foo
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// RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: %run %t foo
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#include <stdio.h>
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int do_nothing(const char *format, ...) {
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return 0;
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}
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int main(int argc, char **argv) {
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int (*fp)(const char *, ...);
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if (argc > 1)
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fp = do_nothing;
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else
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fp = printf;
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// CHECK: FATAL: DataFlowSanitizer: unsupported indirect call to vararg function printf
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fp("hello %s\n", "world");
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}
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