Merge pull request #392 from AFLplusplus/dev

Push to master

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/aflpp_driver/aflpp_qemu_driver.c b/examples/aflpp_driver/aflpp_qemu_driver.c
new file mode 100644
index 00000000..4f3e5f71
--- /dev/null
+++ b/examples/aflpp_driver/aflpp_qemu_driver.c
@@ -0,0 +1,38 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+// libFuzzer interface is thin, so we don't include any libFuzzer headers.
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
+__attribute__((weak)) int LLVMFuzzerInitialize(int *argc, char ***argv);
+
+static const size_t kMaxAflInputSize = 1 * 1024 * 1024;
+static uint8_t      AflInputBuf[kMaxAflInputSize];
+
+void __attribute__((noinline)) afl_qemu_driver_stdin_input(void) {
+
+  size_t l = read(0, AflInputBuf, kMaxAflInputSize);
+  LLVMFuzzerTestOneInput(AflInputBuf, l);
+
+}
+
+int main(int argc, char **argv) {
+
+  if (LLVMFuzzerInitialize) LLVMFuzzerInitialize(&argc, &argv);
+  // Do any other expensive one-time initialization here.
+
+  if (getenv("AFL_QEMU_DRIVER_NO_HOOK")) {
+
+    afl_qemu_driver_stdin_input();
+
+  } else {
+
+    uint8_t dummy_input[1024000] = {0};
+    LLVMFuzzerTestOneInput(dummy_input, 1);
+
+  }
+
+  return 0;
+
+}
+