From f79a0714b4e0d0453bbf48810fb918ada26cf6bb Mon Sep 17 00:00:00 2001
From: Alexey Rybalchenko <alexryba@gmail.com>
Date: Wed, 12 Jan 2022 19:31:00 +0100
Subject: [PATCH] shm: fix double unlock()

---
 fairmq/shmem/Manager.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fairmq/shmem/Manager.h b/fairmq/shmem/Manager.h
index e4a73b888..462af2022 100644
--- a/fairmq/shmem/Manager.h
+++ b/fairmq/shmem/Manager.h
@@ -466,6 +466,7 @@ class Manager
                 auto r = fRegions.emplace(id, std::make_unique<UnmanagedRegion>(fShmId, 0, true, std::move(cfg)));
                 r.first->second->InitializeQueues();
                 r.first->second->StartAckSender();
+                lockedShmLock.lock();
                 return r.first->second.get();
             } catch (std::out_of_range& oor) {
                 LOG(error) << "Could not get remote region with id '" << id << "'. Does the region creator run with the same session id?";