From 3cceb0caae5729999e11aa13430909c1dd7de57e Mon Sep 17 00:00:00 2001 From: Sergej Schumilo Date: Fri, 8 Apr 2022 09:49:58 +0200 Subject: [PATCH] fix protocol race condition libnyx sends a ping packet twice during initialization which can cause a synchronization problem with QEMU-Nyx --- fuzz_runner/src/nyx/qemu_process.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fuzz_runner/src/nyx/qemu_process.rs b/fuzz_runner/src/nyx/qemu_process.rs index f775995..12ce543 100644 --- a/fuzz_runner/src/nyx/qemu_process.rs +++ b/fuzz_runner/src/nyx/qemu_process.rs @@ -172,7 +172,7 @@ impl QemuProcess { thread::sleep(time::Duration::from_secs(1)); thread::sleep(time::Duration::from_millis(200*params.qemu_id as u64)); - + let mut child = if params.dump_python_code_for_inputs{ Command::new(¶ms.cmd[0]) @@ -192,7 +192,7 @@ impl QemuProcess { thread::sleep(time::Duration::from_secs(1)); thread::sleep(time::Duration::from_millis(200*params.qemu_id as u64)); - + let mut control = loop { match UnixStream::connect(¶ms.control_filename) { @@ -203,7 +203,7 @@ impl QemuProcess { } }; - if run_qemu(&mut control).is_err() { + if wait_qemu(&mut control).is_err() { return Err(format!("cannot launch QEMU-Nyx...")); }