| // RUN: %clang_dfsan %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| // RUN: %run %t foo |
| // RUN: %clang_dfsan -mllvm -dfsan-args-abi %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| // RUN: %run %t foo |
| // |
| // REQUIRES: x86_64-target-arch |
| |
| #include <stdio.h> |
| |
| int do_nothing(const char *format, ...) { |
| return 0; |
| } |
| |
| int main(int argc, char **argv) { |
| int (*fp)(const char *, ...); |
| |
| if (argc > 1) |
| fp = do_nothing; |
| else |
| fp = printf; |
| |
| // CHECK: FATAL: DataFlowSanitizer: unsupported indirect call to vararg function printf |
| fp("hello %s\n", "world"); |
| } |
