Re: New Defects reported by Coverity Scan for ceph

[kefu chai <tchaikov@gmail.com>]

resending in plain-text

On Fri, Feb 17, 2017 at 1:18 PM, kefu chai <tchaikov@gmail.com> wrote:
> rocksdb related fixes posted to
> https://github.com/facebook/rocksdb/pull/1879
>
> ceph related fixes posted to https://github.com/ceph/ceph/pull/13473
>
> @Bartłomiej i also left a comment at
> https://github.com/ceph/ceph/pull/12829. could you take a look?
>
>
> On Fri, Feb 17, 2017 at 10:29 AM, <scan-admin@coverity.com> wrote:
>>
>>
>> Hi,
>>
>> Please find the latest report on new defect(s) introduced to ceph found
>> with Coverity Scan.
>>
>> 18 new defect(s) introduced to ceph found with Coverity Scan.
>> 32 defect(s), reported by Coverity Scan earlier, were marked fixed in the
>> recent build analyzed by Coverity Scan.
>>
>> New defect(s) Reported-by: Coverity Scan
>> Showing 18 of 18 defect(s)
>>
>>
>> ** CID 1400653:  Integer handling issues  (CONSTANT_EXPRESSION_RESULT)
>> /home/brad/working/src/ceph/src/tools/rbd_nbd/rbd-nbd.cc: 632 in
>> do_map()()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400653:  Integer handling issues  (CONSTANT_EXPRESSION_RESULT)
>> /home/brad/working/src/ceph/src/tools/rbd_nbd/rbd-nbd.cc: 632 in
>> do_map()()
>> 626       r = ioctl(nbd, NBD_SET_BLKSIZE, RBD_NBD_BLKSIZE);
>> 627       if (r < 0) {
>> 628         r = -errno;
>> 629         goto close_nbd;
>> 630       }
>> 631
>> >>>     CID 1400653:  Integer handling issues
>> >>> (CONSTANT_EXPRESSION_RESULT)
>> >>>     "info.size > 18446744073709551615UL /* 9223372036854775807L * 2UL
>> >>> + 1UL */" is always false regardless of the values of its operands. This
>> >>> occurs as the logical operand of "if".
>> 632       if (info.size > ULONG_MAX) {
>> 633         r = -EFBIG;
>> 634         cerr << "rbd-nbd: image is too large (" <<
>> prettybyte_t(info.size)
>> 635              << ", max is " << prettybyte_t(ULONG_MAX) << ")" <<
>> std::endl;
>> 636         goto close_nbd;
>> 637       }
>>
>> ** CID 1400654:  Resource leaks  (CTOR_DTOR_LEAK)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_job.cc: 276 in
>> rocksdb::CompactionJob::CompactionJob(int, rocksdb::Compaction *, const
>> rocksdb::ImmutableDBOptions &, const rocksdb::EnvOptions &,
>> rocksdb::VersionSet *, const std::atomic<bool> *, rocksdb::LogBuffer *,
>> rocksdb::Directory *, rocksdb::Directory *, rocksdb::Statistics *,
>> rocksdb::InstrumentedMutex *, rocksdb::Status *, std::vector<unsigned long,
>> std::allocator<unsigned long>>, unsigned long,
>> std::shared_ptr<rocksdb::Cache>, rocksdb::EventLogger *, bool, bool, const
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>> &, rocksdb::CompactionJobStats *)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400654:  Resource leaks  (CTOR_DTOR_LEAK)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_job.cc: 276 in
>> rocksdb::CompactionJob::CompactionJob(int, rocksdb::Compaction *, const
>> rocksdb::ImmutableDBOptions &, const rocksdb::EnvOptions &,
>> rocksdb::VersionSet *, const std::atomic<bool> *, rocksdb::LogBuffer *,
>> rocksdb::Directory *, rocksdb::Directory *, rocksdb::Statistics *,
>> rocksdb::InstrumentedMutex *, rocksdb::Status *, std::vector<unsigned long,
>> std::allocator<unsigned long>>, unsigned long,
>> std::shared_ptr<rocksdb::Cache>, rocksdb::EventLogger *, bool, bool, const
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>> &, rocksdb::CompactionJobStats *)()
>> 270         std::vector<SequenceNumber> existing_snapshots,
>> 271         SequenceNumber earliest_write_conflict_snapshot,
>> 272         std::shared_ptr<Cache> table_cache, EventLogger* event_logger,
>> 273         bool paranoid_file_checks, bool measure_io_stats, const
>> std::string& dbname,
>> 274         CompactionJobStats* compaction_job_stats)
>> 275         : job_id_(job_id),
>> >>>     CID 1400654:  Resource leaks  (CTOR_DTOR_LEAK)
>> >>>     The constructor allocates field "compact_" of
>> >>> "rocksdb::CompactionJob" but the destructor and whatever functions it calls
>> >>> do not free it.
>> 276           compact_(new CompactionState(compaction)),
>> 277           compaction_job_stats_(compaction_job_stats),
>> 278           compaction_stats_(1),
>> 279           dbname_(dbname),
>> 280           db_options_(db_options),
>> 281           env_options_(env_options),
>>
>> ** CID 1400655:  Security best practices violations  (DC.WEAK_CRYPTO)
>> /home/brad/working/src/ceph/src/osdc/Objecter.cc: 2792 in
>> Objecter::_calc_target(Objecter::op_target_t *, Connection *, bool)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400655:  Security best practices violations  (DC.WEAK_CRYPTO)
>> /home/brad/working/src/ceph/src/osdc/Objecter.cc: 2792 in
>> Objecter::_calc_target(Objecter::op_target_t *, Connection *, bool)()
>> 2786         if (acting_primary == -1) {
>> 2787           t->osd = -1;
>> 2788         } else {
>> 2789           int osd;
>> 2790           bool read = is_read && !is_write;
>> 2791           if (read && (t->flags & CEPH_OSD_FLAG_BALANCE_READS)) {
>> >>>     CID 1400655:  Security best practices violations  (DC.WEAK_CRYPTO)
>> >>>     "rand" should not be used for security related applications, as
>> >>> linear congruential algorithms are too easy to break.
>> 2792            int p = rand() % acting.size();
>> 2793            if (p)
>> 2794              t->used_replica = true;
>> 2795            osd = acting[p];
>> 2796            ldout(cct, 10) << " chose random osd." << osd << " of " <<
>> acting
>> 2797                           << dendl;
>>
>> ** CID 1400656:  Incorrect expression  (NO_EFFECT)
>> /home/brad/working/src/ceph/src/msg/async/AsyncConnection.cc: 1077 in
>> AsyncConnection::_process_connection()()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400656:  Incorrect expression  (NO_EFFECT)
>> /home/brad/working/src/ceph/src/msg/async/AsyncConnection.cc: 1077 in
>> AsyncConnection::_process_connection()()
>> 1071               goto fail;
>> 1072             } else if (r > 0) {
>> 1073               break;
>> 1074             }
>> 1075
>> 1076             connect_reply = *((ceph_msg_connect_reply*)state_buffer);
>> >>>     CID 1400656:  Incorrect expression  (NO_EFFECT)
>> >>>     Assigning "this->connect_reply.features" to itself has no effect.
>> 1077             connect_reply.features = connect_reply.features;
>> 1078
>> 1079             ldout(async_msgr->cct, 20) << __func__ << " connect got
>> reply tag " << (int)connect_reply.tag
>> 1080                                  << " connect_seq " <<
>> connect_reply.connect_seq << " global_seq "
>> 1081                                  << connect_reply.global_seq << "
>> proto " << connect_reply.protocol_version
>> 1082                                  << " flags " <<
>> (int)connect_reply.flags << " features "
>>
>> ** CID 1400657:  Incorrect expression  (NO_EFFECT)
>> /home/brad/working/src/ceph/src/msg/simple/Pipe.cc: 1152 in
>> Pipe::connect()()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400657:  Incorrect expression  (NO_EFFECT)
>> /home/brad/working/src/ceph/src/msg/simple/Pipe.cc: 1152 in
>> Pipe::connect()()
>> 1146         if (rc < 0) {
>> 1147           ldout(msgr->cct,2) << "connect read reply " <<
>> cpp_strerror(rc) << dendl;
>> 1148           goto fail;
>> 1149         }
>> 1150
>> 1151         // sanitize features
>> >>>     CID 1400657:  Incorrect expression  (NO_EFFECT)
>> >>>     Assigning "reply.features" to itself has no effect.
>> 1152         reply.features = reply.features;
>> 1153
>> 1154         ldout(msgr->cct,20) << "connect got reply tag " <<
>> (int)reply.tag
>> 1155                            << " connect_seq " << reply.connect_seq
>> 1156                            << " global_seq " << reply.global_seq
>> 1157                            << " proto " << reply.protocol_version
>>
>> ** CID 1400658:  Incorrect expression  (NO_EFFECT)
>> /home/brad/working/src/ceph/src/msg/simple/Pipe.cc: 431 in
>> Pipe::accept()()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400658:  Incorrect expression  (NO_EFFECT)
>> /home/brad/working/src/ceph/src/msg/simple/Pipe.cc: 431 in
>> Pipe::accept()()
>> 425         if (tcp_read((char*)&connect, sizeof(connect)) < 0) {
>> 426           ldout(msgr->cct,10) << "accept couldn't read connect" <<
>> dendl;
>> 427           goto fail_unlocked;
>> 428         }
>> 429
>> 430         // sanitize features
>> >>>     CID 1400658:  Incorrect expression  (NO_EFFECT)
>> >>>     Assigning "connect.features" to itself has no effect.
>> 431         connect.features = connect.features;
>> 432
>> 433         authorizer.clear();
>> 434         if (connect.authorizer_len) {
>> 435           bp = buffer::create(connect.authorizer_len);
>> 436           if (tcp_read(bp.c_str(), connect.authorizer_len) < 0) {
>>
>> ** CID 1400659:    (RETURN_LOCAL)
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 567 in
>> rocksdb::ForwardIterator::RebuildIterators(bool)()
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 567 in
>> rocksdb::ForwardIterator::RebuildIterators(bool)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400659:    (RETURN_LOCAL)
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 567 in
>> rocksdb::ForwardIterator::RebuildIterators(bool)()
>> 561       // Clean up
>> 562       Cleanup(refresh_sv);
>> 563       if (refresh_sv) {
>> 564         // New
>> 565         sv_ = cfd_->GetReferencedSuperVersion(&(db_->mutex_));
>> 566       }
>> >>>     CID 1400659:    (RETURN_LOCAL)
>> >>>     Temporary variable of type "rocksdb::InternalKeyComparator" goes
>> >>> out of scope.
>> 567       RangeDelAggregator range_del_agg(
>> 568           InternalKeyComparator(cfd_->internal_comparator()), {} /*
>> snapshots */);
>> 569       mutable_iter_ = sv_->mem->NewIterator(read_options_, &arena_);
>> 570       sv_->imm->AddIterators(read_options_, &imm_iters_, &arena_);
>> 571       if (!read_options_.ignore_range_deletions) {
>> 572         std::unique_ptr<InternalIterator> range_del_iter(
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 567 in
>> rocksdb::ForwardIterator::RebuildIterators(bool)()
>> 561       // Clean up
>> 562       Cleanup(refresh_sv);
>> 563       if (refresh_sv) {
>> 564         // New
>> 565         sv_ = cfd_->GetReferencedSuperVersion(&(db_->mutex_));
>> 566       }
>> >>>     CID 1400659:    (RETURN_LOCAL)
>> >>>     Temporary variable of type "rocksdb::InternalKeyComparator" goes
>> >>> out of scope.
>> 567       RangeDelAggregator range_del_agg(
>> 568           InternalKeyComparator(cfd_->internal_comparator()), {} /*
>> snapshots */);
>> 569       mutable_iter_ = sv_->mem->NewIterator(read_options_, &arena_);
>> 570       sv_->imm->AddIterators(read_options_, &imm_iters_, &arena_);
>> 571       if (!read_options_.ignore_range_deletions) {
>> 572         std::unique_ptr<InternalIterator> range_del_iter(
>>
>> ** CID 1400660:    (RETURN_LOCAL)
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 622 in
>> rocksdb::ForwardIterator::RenewIterators()()
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 622 in
>> rocksdb::ForwardIterator::RenewIterators()()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400660:    (RETURN_LOCAL)
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 622 in
>> rocksdb::ForwardIterator::RenewIterators()()
>> 616         DeleteIterator(m, true /* is_arena */);
>> 617       }
>> 618       imm_iters_.clear();
>> 619
>> 620       mutable_iter_ = svnew->mem->NewIterator(read_options_, &arena_);
>> 621       svnew->imm->AddIterators(read_options_, &imm_iters_, &arena_);
>> >>>     CID 1400660:    (RETURN_LOCAL)
>> >>>     Temporary variable of type "rocksdb::InternalKeyComparator" goes
>> >>> out of scope.
>> 622       RangeDelAggregator range_del_agg(
>> 623           InternalKeyComparator(cfd_->internal_comparator()), {} /*
>> snapshots */);
>> 624       if (!read_options_.ignore_range_deletions) {
>> 625         std::unique_ptr<InternalIterator> range_del_iter(
>> 626             svnew->mem->NewRangeTombstoneIterator(read_options_));
>> 627         range_del_agg.AddTombstones(std::move(range_del_iter));
>> /home/brad/working/src/ceph/src/rocksdb/db/forward_iterator.cc: 622 in
>> rocksdb::ForwardIterator::RenewIterators()()
>> 616         DeleteIterator(m, true /* is_arena */);
>> 617       }
>> 618       imm_iters_.clear();
>> 619
>> 620       mutable_iter_ = svnew->mem->NewIterator(read_options_, &arena_);
>> 621       svnew->imm->AddIterators(read_options_, &imm_iters_, &arena_);
>> >>>     CID 1400660:    (RETURN_LOCAL)
>> >>>     Temporary variable of type "rocksdb::InternalKeyComparator" goes
>> >>> out of scope.
>> 622       RangeDelAggregator range_del_agg(
>> 623           InternalKeyComparator(cfd_->internal_comparator()), {} /*
>> snapshots */);
>> 624       if (!read_options_.ignore_range_deletions) {
>> 625         std::unique_ptr<InternalIterator> range_del_iter(
>> 626             svnew->mem->NewRangeTombstoneIterator(read_options_));
>> 627         range_del_agg.AddTombstones(std::move(range_del_iter));
>>
>> ** CID 1400661:  Uninitialized variables  (UNINIT)
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400661:  Uninitialized variables  (UNINIT)
>> /home/brad/working/src/ceph/src/messages/MOSDBackoff.h: 41 in
>> MOSDBackoff::MOSDBackoff()()
>> 35       }
>> 36       epoch_t get_map_epoch() const override {
>> 37         return map_epoch;
>> 38       }
>> 39
>> 40       MOSDBackoff()
>> >>>     CID 1400661:  Uninitialized variables  (UNINIT)
>> >>>     Using uninitialized value "this->COMPAT_VERSION" when calling
>> >>> "MOSDFastDispatchOp".
>> 41         : MOSDFastDispatchOp(CEPH_MSG_OSD_BACKOFF, HEAD_VERSION,
>> COMPAT_VERSION) {}
>> 42       MOSDBackoff(spg_t pgid_, epoch_t ep, uint8_t op_, uint64_t id_,
>> 43            hobject_t begin_, hobject_t end_)
>> 44         : MOSDFastDispatchOp(CEPH_MSG_OSD_BACKOFF, HEAD_VERSION,
>> COMPAT_VERSION),
>> 45           pgid(pgid_),
>> 46           map_epoch(ep),
>>
>> ** CID 1400662:  Uninitialized variables  (UNINIT)
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400662:  Uninitialized variables  (UNINIT)
>> /home/brad/working/src/ceph/src/messages/MOSDBackoff.h: 44 in
>> MOSDBackoff::MOSDBackoff(spg_t, unsigned int, unsigned char, unsigned long,
>> hobject_t, hobject_t)()
>> 38       }
>> 39
>> 40       MOSDBackoff()
>> 41         : MOSDFastDispatchOp(CEPH_MSG_OSD_BACKOFF, HEAD_VERSION,
>> COMPAT_VERSION) {}
>> 42       MOSDBackoff(spg_t pgid_, epoch_t ep, uint8_t op_, uint64_t id_,
>> 43            hobject_t begin_, hobject_t end_)
>> >>>     CID 1400662:  Uninitialized variables  (UNINIT)
>> >>>     Using uninitialized value "this->COMPAT_VERSION" when calling
>> >>> "MOSDFastDispatchOp".
>> 44         : MOSDFastDispatchOp(CEPH_MSG_OSD_BACKOFF, HEAD_VERSION,
>> COMPAT_VERSION),
>> 45           pgid(pgid_),
>> 46           map_epoch(ep),
>> 47           op(op_),
>> 48           id(id_),
>> 49           begin(begin_),
>>
>> ** CID 1400663:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_iterator.cc: 71 in
>> rocksdb::CompactionIterator::CompactionIterator(rocksdb::InternalIterator *,
>> const rocksdb::Comparator *, rocksdb::MergeHelper *, unsigned long,
>> std::vector<unsigned long, std::allocator<unsigned long>> *, unsigned long,
>> rocksdb::Env *, bool, rocksdb::RangeDelAggregator *,
>> std::unique_ptr<rocksdb::CompactionIterator::CompactionProxy,
>> std::default_delete<rocksdb::CompactionIterator::CompactionProxy>>, const
>> rocksdb::CompactionFilter *, const std::atomic<bool> *)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400663:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_iterator.cc: 71 in
>> rocksdb::CompactionIterator::CompactionIterator(rocksdb::InternalIterator *,
>> const rocksdb::Comparator *, rocksdb::MergeHelper *, unsigned long,
>> std::vector<unsigned long, std::allocator<unsigned long>> *, unsigned long,
>> rocksdb::Env *, bool, rocksdb::RangeDelAggregator *,
>> std::unique_ptr<rocksdb::CompactionIterator::CompactionProxy,
>> std::default_delete<rocksdb::CompactionIterator::CompactionProxy>>, const
>> rocksdb::CompactionFilter *, const std::atomic<bool> *)()
>> 65       if (compaction_filter_ != nullptr &&
>> compaction_filter_->IgnoreSnapshots()) {
>> 66         ignore_snapshots_ = true;
>> 67       } else {
>> 68         ignore_snapshots_ = false;
>> 69       }
>> 70       input_->SetPinnedItersMgr(&pinned_iters_mgr_);
>> >>>     CID 1400663:  Uninitialized members  (UNINIT_CTOR)
>> >>>     Non-static class member "current_user_key_snapshot_" is not
>> >>> initialized in this constructor nor in any functions that it calls.
>> 71     }
>> 72
>> 73     CompactionIterator::~CompactionIterator() {
>> 74       // input_ Iteartor lifetime is longer than pinned_iters_mgr_
>> lifetime
>> 75       input_->SetPinnedItersMgr(nullptr);
>> 76     }
>>
>> ** CID 1400664:  Control flow issues  (UNREACHABLE)
>> /home/brad/working/src/ceph/src/rocksdb/util/env_posix.cc: 386 in
>> rocksdb::<unnamed>::PosixEnv::ReuseWritableFile(const
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>> &, const std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char>> &,
>> std::unique_ptr<rocksdb::WritableFile,
>> std::default_delete<rocksdb::WritableFile>> *, const rocksdb::EnvOptions
>> &)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400664:  Control flow issues  (UNREACHABLE)
>> /home/brad/working/src/ceph/src/rocksdb/util/env_posix.cc: 386 in
>> rocksdb::<unnamed>::PosixEnv::ReuseWritableFile(const
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>> &, const std::__cxx11::basic_string<char,
>> std::char_traits<char>, std::allocator<char>> &,
>> std::unique_ptr<rocksdb::WritableFile,
>> std::default_delete<rocksdb::WritableFile>> *, const rocksdb::EnvOptions
>> &)()
>> 380           EnvOptions no_mmap_writes_options = options;
>> 381           no_mmap_writes_options.use_mmap_writes = false;
>> 382           result->reset(new PosixWritableFile(fname, fd,
>> no_mmap_writes_options));
>> 383         }
>> 384         return s;
>> 385
>> >>>     CID 1400664:  Control flow issues  (UNREACHABLE)
>> >>>     This code cannot be reached: "return rocksdb::Status(s);".
>> 386         return s;
>> 387       }
>> 388
>> 389       virtual Status NewRandomRWFile(const std::string& fname,
>> 390                                      unique_ptr<RandomRWFile>* result,
>> 391                                      const EnvOptions& options)
>> override {
>>
>> ** CID 1400665:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_iterator.cc: 26 in
>> rocksdb::CompactionIterator::CompactionIterator(rocksdb::InternalIterator *,
>> const rocksdb::Comparator *, rocksdb::MergeHelper *, unsigned long,
>> std::vector<unsigned long, std::allocator<unsigned long>> *, unsigned long,
>> rocksdb::Env *, bool, rocksdb::RangeDelAggregator *, const
>> rocksdb::Compaction *, const rocksdb::CompactionFilter *, const
>> std::atomic<bool> *)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400665:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_iterator.cc: 26 in
>> rocksdb::CompactionIterator::CompactionIterator(rocksdb::InternalIterator *,
>> const rocksdb::Comparator *, rocksdb::MergeHelper *, unsigned long,
>> std::vector<unsigned long, std::allocator<unsigned long>> *, unsigned long,
>> rocksdb::Env *, bool, rocksdb::RangeDelAggregator *, const
>> rocksdb::Compaction *, const rocksdb::CompactionFilter *, const
>> std::atomic<bool> *)()
>> 20         : CompactionIterator(
>> 21               input, cmp, merge_helper, last_sequence, snapshots,
>> 22               earliest_write_conflict_snapshot, env,
>> expect_valid_internal_key,
>> 23               range_del_agg,
>> 24               std::unique_ptr<CompactionProxy>(
>> 25                   compaction ? new CompactionProxy(compaction) :
>> nullptr),
>> >>>     CID 1400665:  Uninitialized members  (UNINIT_CTOR)
>> >>>     Non-static class member "current_user_key_snapshot_" is not
>> >>> initialized in this constructor nor in any functions that it calls.
>> 26               compaction_filter, shutting_down) {}
>> 27
>> 28     CompactionIterator::CompactionIterator(
>> 29         InternalIterator* input, const Comparator* cmp, MergeHelper*
>> merge_helper,
>> 30         SequenceNumber last_sequence, std::vector<SequenceNumber>*
>> snapshots,
>> 31         SequenceNumber earliest_write_conflict_snapshot, Env* env,
>>
>> ** CID 1400666:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/dbformat.h: 531 in
>> rocksdb::RangeTombstone::RangeTombstone()()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400666:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/dbformat.h: 531 in
>> rocksdb::RangeTombstone::RangeTombstone()()
>> 525     // the struct here is a easy-understood form
>> 526     // start/end_key_ is the start/end user key of the range to be
>> deleted
>> 527     struct RangeTombstone {
>> 528       Slice start_key_;
>> 529       Slice end_key_;
>> 530       SequenceNumber seq_;
>> >>>     CID 1400666:  Uninitialized members  (UNINIT_CTOR)
>> >>>     Non-static class member "seq_" is not initialized in this
>> >>> constructor nor in any functions that it calls.
>> 531       RangeTombstone() = default;
>> 532       RangeTombstone(Slice sk, Slice ek, SequenceNumber sn)
>> 533           : start_key_(sk), end_key_(ek), seq_(sn) {}
>> 534
>> 535       RangeTombstone(ParsedInternalKey parsed_key, Slice value) {
>> 536         start_key_ = parsed_key.user_key;
>>
>> ** CID 1400667:    (UNINIT_CTOR)
>> /usr/include/c++/6.2.1/bits/regex_executor.h: 86 in
>> std::__detail::_Executor<__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>>, std::__cxx11::regex_traits<char>,
>> (bool)0>::_Executor(__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>, __gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::vector<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char
>> *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>
>>  >>> &, const std::__cxx11::basic_regex<char,
>> std::__cxx11::regex_traits<char>> &,
>> std::regex_constants::match_flag_type)()
>> /usr/include/c++/6.2.1/bits/regex_executor.h: 86 in
>> std::__detail::_Executor<__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>>, std::__cxx11::regex_traits<char>,
>> (bool)1>::_Executor(__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>, __gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::vector<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char
>> *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>
>>  >>> &, const std::__cxx11::basic_regex<char,
>> std::__cxx11::regex_traits<char>> &,
>> std::regex_constants::match_flag_type)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400667:    (UNINIT_CTOR)
>> /usr/include/c++/6.2.1/bits/regex_executor.h: 86 in
>> std::__detail::_Executor<__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>>, std::__cxx11::regex_traits<char>,
>> (bool)0>::_Executor(__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>, __gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::vector<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char
>> *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>
>>  >>> &, const std::__cxx11::basic_regex<char,
>> std::__cxx11::regex_traits<char>> &,
>> std::regex_constants::match_flag_type)()
>> 80           _M_states(_M_nfa._M_start(), _M_nfa.size()),
>> 81           _M_flags((__flags & regex_constants::match_prev_avail)
>> 82             ? (__flags
>> 83                & ~regex_constants::match_not_bol
>> 84                & ~regex_constants::match_not_bow)
>> 85             : __flags)
>> >>>     CID 1400667:    (UNINIT_CTOR)
>> >>>     Non-static class member "_M_has_sol" is not initialized in this
>> >>> constructor nor in any functions that it calls.
>> 86           { }
>> 87
>> 88           // Set matched when string exactly matches the pattern.
>> 89           bool
>> 90           _M_match()
>> 91           {
>> /usr/include/c++/6.2.1/bits/regex_executor.h: 86 in
>> std::__detail::_Executor<__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>>, std::__cxx11::regex_traits<char>,
>> (bool)1>::_Executor(__gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>, __gnu_cxx::__normal_iterator<const char *,
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>,
>> std::vector<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char
>> *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>>,
>> std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const
>> char *, std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>>>
>>  >>> &, const std::__cxx11::basic_regex<char,
>> std::__cxx11::regex_traits<char>> &,
>> std::regex_constants::match_flag_type)()
>> 80           _M_states(_M_nfa._M_start(), _M_nfa.size()),
>> 81           _M_flags((__flags & regex_constants::match_prev_avail)
>> 82             ? (__flags
>> 83                & ~regex_constants::match_not_bol
>> 84                & ~regex_constants::match_not_bow)
>> 85             : __flags)
>> >>>     CID 1400667:    (UNINIT_CTOR)
>> >>>     Non-static class member "_M_has_sol" is not initialized in this
>> >>> constructor nor in any functions that it calls.
>> 86           { }
>> 87
>> 88           // Set matched when string exactly matches the pattern.
>> 89           bool
>> 90           _M_match()
>> 91           {
>>
>> ** CID 1400668:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/util/thread_local.cc: 41 in
>> rocksdb::ThreadData::ThreadData(rocksdb::ThreadLocalPtr::StaticMeta *)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400668:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/util/thread_local.cc: 41 in
>> rocksdb::ThreadData::ThreadData(rocksdb::ThreadLocalPtr::StaticMeta *)()
>> 35     //     ---------------------------------------------------
>> 36     //     | thread 2 |    void*   |    void*   |    void*   | <-
>> ThreadData
>> 37     //     ---------------------------------------------------
>> 38     //     | thread 3 |    void*   |    void*   |    void*   | <-
>> ThreadData
>> 39     //     ---------------------------------------------------
>> 40     struct ThreadData {
>> >>>     CID 1400668:  Uninitialized members  (UNINIT_CTOR)
>> >>>     Non-static class member "prev" is not initialized in this
>> >>> constructor nor in any functions that it calls.
>> 41       explicit ThreadData(ThreadLocalPtr::StaticMeta* _inst) :
>> entries(), inst(_inst) {}
>> 42       std::vector<Entry> entries;
>> 43       ThreadData* next;
>> 44       ThreadData* prev;
>> 45       ThreadLocalPtr::StaticMeta* inst;
>> 46     };
>>
>> ** CID 1400669:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_job.cc: 303 in
>> rocksdb::CompactionJob::CompactionJob(int, rocksdb::Compaction *, const
>> rocksdb::ImmutableDBOptions &, const rocksdb::EnvOptions &,
>> rocksdb::VersionSet *, const std::atomic<bool> *, rocksdb::LogBuffer *,
>> rocksdb::Directory *, rocksdb::Directory *, rocksdb::Statistics *,
>> rocksdb::InstrumentedMutex *, rocksdb::Status *, std::vector<unsigned long,
>> std::allocator<unsigned long>>, unsigned long,
>> std::shared_ptr<rocksdb::Cache>, rocksdb::EventLogger *, bool, bool, const
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>> &, rocksdb::CompactionJobStats *)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400669:  Uninitialized members  (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/rocksdb/db/compaction_job.cc: 303 in
>> rocksdb::CompactionJob::CompactionJob(int, rocksdb::Compaction *, const
>> rocksdb::ImmutableDBOptions &, const rocksdb::EnvOptions &,
>> rocksdb::VersionSet *, const std::atomic<bool> *, rocksdb::LogBuffer *,
>> rocksdb::Directory *, rocksdb::Directory *, rocksdb::Statistics *,
>> rocksdb::InstrumentedMutex *, rocksdb::Status *, std::vector<unsigned long,
>> std::allocator<unsigned long>>, unsigned long,
>> std::shared_ptr<rocksdb::Cache>, rocksdb::EventLogger *, bool, bool, const
>> std::__cxx11::basic_string<char, std::char_traits<char>,
>> std::allocator<char>> &, rocksdb::CompactionJobStats *)()
>> 297       assert(log_buffer_ != nullptr);
>> 298       const auto* cfd = compact_->compaction->column_family_data();
>> 299       ThreadStatusUtil::SetColumnFamily(cfd, cfd->ioptions()->env,
>> 300
>> db_options_.enable_thread_tracking);
>> 301
>> ThreadStatusUtil::SetThreadOperation(ThreadStatus::OP_COMPACTION);
>> 302       ReportStartedCompaction(compaction);
>> >>>     CID 1400669:  Uninitialized members  (UNINIT_CTOR)
>> >>>     Non-static class member "bottommost_level_" is not initialized in
>> >>> this constructor nor in any functions that it calls.
>> 303     }
>> 304
>> 305     CompactionJob::~CompactionJob() {
>> 306       assert(compact_ == nullptr);
>> 307       ThreadStatusUtil::ResetThreadStatus();
>> 308     }
>>
>> ** CID 1400670:    (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/common/perf_histogram.h: 76 in
>> PerfHistogram<(int)3>::PerfHistogram(std::initializer_list<PerfHistogramCommon::axis_config_d>)()
>> /home/brad/working/src/ceph/src/common/perf_histogram.h: 76 in
>> PerfHistogram<(int)2>::PerfHistogram(std::initializer_list<PerfHistogramCommon::axis_config_d>)()
>>
>>
>>
>> ________________________________________________________________________________________________________
>> *** CID 1400670:    (UNINIT_CTOR)
>> /home/brad/working/src/ceph/src/common/perf_histogram.h: 76 in
>> PerfHistogram<(int)3>::PerfHistogram(std::initializer_list<PerfHistogramCommon::axis_config_d>)()
>> 70                  "Quantization unit must be non-zero positive integer
>> value");
>> 71
>> 72           m_axes_config[i++] = ac;
>> 73         }
>> 74
>> 75         m_rawData.reset(new atomic64_t[get_raw_size()]);
>> >>>     CID 1400670:    (UNINIT_CTOR)
>> >>>     Non-static class member field "m_axes_config.m_buckets" is not
>> >>> initialized in this constructor nor in any functions that it calls.
>> 76       }
>> 77
>> 78       /// Copy from other histogram object
>> 79       PerfHistogram(const PerfHistogram &other)
>> 80           : m_axes_config(other.m_axes_config) {
>> 81         int64_t size = get_raw_size();
>> /home/brad/working/src/ceph/src/common/perf_histogram.h: 76 in
>> PerfHistogram<(int)2>::PerfHistogram(std::initializer_list<PerfHistogramCommon::axis_config_d>)()
>> 70                  "Quantization unit must be non-zero positive integer
>> value");
>> 71
>> 72           m_axes_config[i++] = ac;
>> 73         }
>> 74
>> 75         m_rawData.reset(new atomic64_t[get_raw_size()]);
>> >>>     CID 1400670:    (UNINIT_CTOR)
>> >>>     Non-static class member field "m_axes_config.m_buckets" is not
>> >>> initialized in this constructor nor in any functions that it calls.
>> 76       }
>> 77
>> 78       /// Copy from other histogram object
>> 79       PerfHistogram(const PerfHistogram &other)
>> 80           : m_axes_config(other.m_axes_config) {
>> 81         int64_t size = get_raw_size();
>>
>>
>>
>> ________________________________________________________________________________________________________
>> To view the defects in Coverity Scan visit,
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>>
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>
>
>
>
> --
> Regards
> Kefu Chai



-- 
Regards
Kefu Chai