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Shm: fix incorrect ptr range check

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This commit is contained in:
Alexey Rybalchenko 2020-05-28 17:58:35 +02:00
parent 236d5a8608
commit dabc48c21a
1 changed files with 1 additions and 1 deletions
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2
fairmq/shmem/Message.h
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@ -109,7 +109,7 @@ class Message final : public fair::mq::Message
, fRegionPtr(nullptr) , fRegionPtr(nullptr)
, fLocalPtr(static_cast<char*>(data)) , 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()) { 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())); fMeta.fHandle = (boost::interprocess::managed_shared_memory::handle_t)(reinterpret_cast<const char*>(data) - reinterpret_cast<const char*>(region->GetData()));
} else { } else {