From dabc48c21af6188824e7f29e6388a1314fcdfd4c Mon Sep 17 00:00:00 2001
From: Alexey Rybalchenko <alexryba@gmail.com>
Date: Thu, 28 May 2020 17:58:35 +0200
Subject: [PATCH] Shm: fix incorrect ptr range check

---
 fairmq/shmem/Message.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fairmq/shmem/Message.h b/fairmq/shmem/Message.h
index 95b1dd50..4c78f2ac 100644
--- a/fairmq/shmem/Message.h
+++ b/fairmq/shmem/Message.h
@@ -109,7 +109,7 @@ class Message final : public fair::mq::Message
         , fRegionPtr(nullptr)
         , fLocalPtr(static_cast<char*>(data))
     {
-        if (reinterpret_cast<const char*>(data) >= reinterpret_cast<const char*>(region->GetData()) ||
+        if (reinterpret_cast<const char*>(data) >= reinterpret_cast<const char*>(region->GetData()) &&
             reinterpret_cast<const char*>(data) <= reinterpret_cast<const char*>(region->GetData()) + region->GetSize()) {
             fMeta.fHandle = (boost::interprocess::managed_shared_memory::handle_t)(reinterpret_cast<const char*>(data) - reinterpret_cast<const char*>(region->GetData()));
         } else {