From 73c436dba28dcfd3cbdd21994bd30d6f4264c890 Mon Sep 17 00:00:00 2001
From: John Sully <john@csquare.ca>
Date: Sun, 10 May 2020 22:08:50 -0400
Subject: [PATCH] Fix crash in client unblock command

Former-commit-id: 7cd779d304d75833ca891b4fe3b7e1cfdabf6fa8
---
 src/networking.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/networking.cpp b/src/networking.cpp
index 1cb9eade6..6ff41d1ab 100644
--- a/src/networking.cpp
+++ b/src/networking.cpp
@@ -2779,6 +2779,7 @@ NULL
             != C_OK) return;
         struct client *target = lookupClientByID(id);
         if (target && target->flags & CLIENT_BLOCKED) {
+            std::unique_lock<fastlock> ul(target->lock);
             if (unblock_error)
                 addReplyError(target,
                     "-UNBLOCKED client unblocked via CLIENT UNBLOCK");