From fbec4a070d74cb17ea1d47005e8e5aaa13c53390 Mon Sep 17 00:00:00 2001
From: Bo Chen <chen.bo@intel.com>
Date: Wed, 3 Aug 2022 18:30:36 -0700
Subject: [PATCH] fuzz: block: Ensure the virtio-block thread is killed and
 joined

This also ensures that the 'queue_evt' is fully processed, as we enforce
the main thread is waiting for the virtio-block thread to process the
'kill_evt' which is after the 'queue_evt' processing.

Signed-off-by: Bo Chen <chen.bo@intel.com>
---
 fuzz/fuzz_targets/block.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fuzz/fuzz_targets/block.rs b/fuzz/fuzz_targets/block.rs
index 5df66fdd0..7c5d73574 100644
--- a/fuzz/fuzz_targets/block.rs
+++ b/fuzz/fuzz_targets/block.rs
@@ -114,6 +114,8 @@ fuzz_target!(|bytes| {
     queue_evt.write(77).unwrap(); // Rings the doorbell, any byte will do.
 
     wait_queue_event_processed(queue_evt);
+
+    block.reset(); // Ensure the virtio-block device thread is killed and joined
 });
 
 fn read_u64<T: Read>(readable: &mut T) -> u64 {