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Summary: Currently plain table bloom filter is required if storing metadata on file. Remove the constraint. Closes facebook#1525 Differential Revision: D4190977 Pulled By: siying fbshipit-source-id: be60442
Summary: Dont use c_str() of temp std::string in RocksLuaCompactionFilter::Name() Closes facebook#1535 Differential Revision: D4199094 Pulled By: IslamAbdelRahman fbshipit-source-id: e56ce62
Summary: these functions were too complicated to change with exit points everywhere, so refactored them. btw, please review urgently, this is a prereq to fix the 5.0 perf regression Closes facebook#1534 Differential Revision: D4198972 Pulled By: ajkr fbshipit-source-id: 04ebfb7
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Mar 17, 2017
Summary: current logging ``` 2017/03/14-14:20:30.393432 7fedde9f5700 (Original Log Time 2017/03/14-14:20:30.393414) [default] Level summary: base level 1 max bytes base 268435456 files[1 0 0 0 0 0 0] max score 0.25 2017/03/14-14:20:30.393438 7fedde9f5700 [JOB 2] Try to delete WAL files size 61417909, prev total WAL file size 73820858, number of live WAL files 2. 2017/03/14-14:20:30.393464 7fedde9f5700 [DEBUG] [JOB 2] Delete /dev/shm/old_logging//MANIFEST-000001 type=3 #1 -- OK 2017/03/14-14:20:30.393472 7fedde9f5700 [DEBUG] [JOB 2] Delete /dev/shm/old_logging//000003.log type=0 facebook#3 -- OK 2017/03/14-14:20:31.427103 7fedd49f1700 [default] New memtable created with log file: facebook#9. Immutable memtables: 0. 2017/03/14-14:20:31.427179 7fedde9f5700 [JOB 3] Syncing log facebook#6 2017/03/14-14:20:31.427190 7fedde9f5700 (Original Log Time 2017/03/14-14:20:31.427170) Calling FlushMemTableToOutputFile with column family [default], flush slots available 1, compaction slots allowed 1, compaction slots scheduled 1 2017/03/14-14:20:31. Closes facebook#1990 Differential Revision: D4708695 Pulled By: IslamAbdelRahman fbshipit-source-id: cb8968f
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Oct 31, 2017
Summary: 228MutableDBOptions::MutableDBOptions() 229 : max_background_jobs(2), 230 base_background_compactions(-1), 231 max_background_compactions(-1), 232 avoid_flush_during_shutdown(false), 233 delayed_write_rate(2 * 1024U * 1024U), 234 max_total_wal_size(0), 235 delete_obsolete_files_period_micros(6ULL * 60 * 60 * 1000000), 236 stats_dump_period_sec(600), 2. uninit_member: Non-static class member bytes_per_sync is not initialized in this constructor nor in any functions that it calls. CID 1419857 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 4. uninit_member: Non-static class member wal_bytes_per_sync is not initialized in this constructor nor in any functions that it calls. 237 max_open_files(-1) {} Closes facebook#3069 Differential Revision: D6170424 Pulled By: ajkr fbshipit-source-id: 1f94e86b87611ad2330b8b1707911150978d68b8
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Summary: db/column_family.h : 79 ColumnFamilyHandleInternal() CID 1322806 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 2. uninit_member: Non-static class member internal_cfd_ is not initialized in this constructor nor in any functions that it calls. 80 : ColumnFamilyHandleImpl(nullptr, nullptr, nullptr) {} db/compacted_db_impl.cc: 18CompactedDBImpl::CompactedDBImpl( 19 const DBOptions& options, const std::string& dbname) 20 : DBImpl(options, dbname) { 2. uninit_member: Non-static class member cfd_ is not initialized in this constructor nor in any functions that it calls. 4. uninit_member: Non-static class member version_ is not initialized in this constructor nor in any functions that it calls. CID 1396120 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 6. uninit_member: Non-static class member user_comparator_ is not initialized in this constructor nor in any functions that it calls. 21} db/compaction_iterator.cc: 9. uninit_member: Non-static class member current_user_key_sequence_ is not initialized in this constructor nor in any functions that it calls. 11. uninit_member: Non-static class member current_user_key_snapshot_ is not initialized in this constructor nor in any functions that it calls. CID 1419855 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 13. uninit_member: Non-static class member current_key_committed_ is not initialized in this constructor nor in any functions that it calls. Closes facebook#3084 Differential Revision: D6172999 Pulled By: sagar0 fbshipit-source-id: 084d73393faf8022c01359cfb445807b6a782460
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Nov 3, 2017
Summary:
include/rocksdb/metadata.h:
struct ColumnFamilyMetaData {
CID 1322804 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
2. uninit_member: Non-static class member file_count is not initialized in this constructor nor in any functions that it calls.
struct SstFileMetaData {
2. uninit_member: Non-static class member size is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member smallest_seqno is not initialized in this constructor nor in any functions that it calls.
6. uninit_member: Non-static class member largest_seqno is not initialized in this constructor nor in any functions that it calls.
8. uninit_member: Non-static class member num_reads_sampled is not initialized in this constructor nor in any functions that it calls.
CID 1322807 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
10. uninit_member: Non-static class member being_compacted is not initialized in this constructor nor in any functions that it calls.
include/rocksdb/sst_file_writer.h:
struct ExternalSstFileInfo {
2. uninit_member: Non-static class member sequence_number is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member file_size is not initialized in this constructor nor in any functions that it calls.
6. uninit_member: Non-static class member num_entries is not initialized in this constructor nor in any functions that it calls.
CID 1351697 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
8. uninit_member: Non-static class member version is not initialized in this constructor nor in any functions that it calls.
31 ExternalSstFileInfo() {}
include/rocksdb/utilities/transaction.h:
explicit Transaction(const TransactionDB* db) {}
2. uninit_member: Non-static class member log_number_ is not initialized in this constructor nor in any functions that it calls.
CID 1396133 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member field txn_state_._M_i is not initialized in this constructor nor in any functions that it calls.
473 Transaction() {}
Closes facebook#3100
Differential Revision: D6227651
Pulled By: sagar0
fbshipit-source-id: 5caa4a2cf9471d1f9c3c073f81473636e1f0aa14
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Nov 4, 2017
Summary: util/concurrent_arena.h: CID 1396145 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 2. uninit_member: Non-static class member free_begin_ is not initialized in this constructor nor in any functions that it calls. 94 Shard() : allocated_and_unused_(0) {} util/dynamic_bloom.cc: 1. Condition hash_func == NULL, taking true branch. CID 1322821 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 3. uninit_member: Non-static class member data_ is not initialized in this constructor nor in any functions that it calls. 47 hash_func_(hash_func == nullptr ? &BloomHash : hash_func) {} 48 util/file_reader_writer.h: 204 private: 205 AlignedBuffer buffer_; member_not_init_in_gen_ctor: The compiler-generated constructor for this class does not initialize buffer_offset_. 206 uint64_t buffer_offset_; CID 1418246 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) member_not_init_in_gen_ctor: The compiler-generated constructor for this class does not initialize buffer_len_. 207 size_t buffer_len_; 208}; util/thread_local.cc: 341#endif CID 1322795 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 3. uninit_member: Non-static class member pthread_key_ is not initialized in this constructor nor in any functions that it calls. 342} 40struct ThreadData { 2. uninit_member: Non-static class member next is not initialized in this constructor nor in any functions that it calls. CID 1400668 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 4. uninit_member: 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; 1. member_decl: Class member declaration for next. 43 ThreadData* next; 3. member_decl: Class member declaration for prev. 44 ThreadData* prev; 45 ThreadLocalPtr::StaticMeta* inst; 46}; Closes facebook#3123 Differential Revision: D6233566 Pulled By: sagar0 fbshipit-source-id: aa2068790ea69787a0035c0db39d59b0c25108db
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Nov 28, 2017
Summary: utilities/blob_db/blob_db_impl.cc 265 : bdb_options_.blob_dir; 3. uninit_member: Non-static class member env_ is not initialized in this constructor nor in any functions that it calls. 5. uninit_member: Non-static class member ttl_extractor_ is not initialized in this constructor nor in any functions that it calls. 7. uninit_member: Non-static class member open_p1_done_ is not initialized in this constructor nor in any functions that it calls. CID 1418245 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 9. uninit_member: Non-static class member debug_level_ is not initialized in this constructor nor in any functions that it calls. 266} 4. past_the_end: Function end creates an iterator. CID 1418258 (#1 of 1): Using invalid iterator (INVALIDATE_ITERATOR) 5. deref_iterator: Dereferencing iterator file_nums.end() though it is already past the end of its container. utilities/col_buf_decoder.h: nullable_(nullable), 2. uninit_member: Non-static class member remain_runs_ is not initialized in this constructor nor in any functions that it calls. 4. uninit_member: Non-static class member run_val_ is not initialized in this constructor nor in any functions that it calls. CID 1396134 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 6. uninit_member: Non-static class member last_val_ is not initialized in this constructor nor in any functions that it calls. 46 big_endian_(big_endian) {} Closes facebook#3134 Differential Revision: D6340607 Pulled By: sagar0 fbshipit-source-id: 25c52566e2ff979fe6c7abb0f40c27fc16597054
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Summary:
```
utilities/persistent_cache/block_cache_tier_file.cc
64struct CacheRecordHeader {
2. uninit_member: Non-static class member magic_ is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member crc_ is not initialized in this constructor nor in any functions that it calls.
6. uninit_member: Non-static class member key_size_ is not initialized in this constructor nor in any functions that it calls.
CID 1396161 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
8. uninit_member: Non-static class member val_size_ is not initialized in this constructor nor in any functions that it calls.
65 CacheRecordHeader() {}
66 CacheRecordHeader(const uint32_t magic, const uint32_t key_size,
67 const uint32_t val_size)
68 : magic_(magic), crc_(0), key_size_(key_size), val_size_(val_size) {}
69
1. member_decl: Class member declaration for magic_.
70 uint32_t magic_;
3. member_decl: Class member declaration for crc_.
71 uint32_t crc_;
5. member_decl: Class member declaration for key_size_.
72 uint32_t key_size_;
7. member_decl: Class member declaration for val_size_.
73 uint32_t val_size_;
74};
utilities/simulator_cache/sim_cache.cc:
157 miss_times_(0),
CID 1396124 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR)
2. uninit_member: Non-static class member stats_ is not initialized in this constructor nor in any functions that it calls.
158 hit_times_(0) {}
159
```
Closes facebook#3155
Differential Revision: D6427237
Pulled By: sagar0
fbshipit-source-id: 97e493da5fc043c5b9a3e0d33103442cffb75aad
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Summary: 1. Class BackupMeta ``` 52 : timestamp_(0), size_(0), meta_filename_(meta_filename), CID 1168103 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 2. uninit_member: Non-static class member sequence_number_ is not initialized in this constructor nor in any functions that it calls. 153 file_infos_(file_infos), env_(env) {} ``` 2. class BackupEngineImpl ``` 513 } 7. uninit_member: Non-static class member latest_backup_id_ is not initialized in this constructor nor in any functions that it calls. CID 1322803 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 9. uninit_member: Non-static class member latest_valid_backup_id_ is not initialized in this constructor nor in any functions that it calls. 514} ``` 3. struct BackupAfterCopyOrCreateWorkItem ``` 368 struct BackupAfterCopyOrCreateWorkItem { 369 std::future<CopyOrCreateResult> result; 1. member_decl: Class member declaration for shared. 370 bool shared; 3. member_decl: Class member declaration for needed_to_copy. 371 bool needed_to_copy; 5. member_decl: Class member declaration for backup_env. 372 Env* backup_env; 373 std::string dst_path_tmp; 374 std::string dst_path; 375 std::string dst_relative; 2. uninit_member: Non-static class member shared is not initialized in this constructor nor in any functions that it calls. 4. uninit_member: Non-static class member needed_to_copy is not initialized in this constructor nor in any functions that it calls. CID 1396122 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 6. uninit_member: Non-static class member backup_env is not initialized in this constructor nor in any functions that it calls. 376 BackupAfterCopyOrCreateWorkItem() {} ``` 4. struct CopyOrCreateWorkItem ``` 318 struct CopyOrCreateWorkItem { 319 std::string src_path; 320 std::string dst_path; 321 std::string contents; 1. member_decl: Class member declaration for src_env. 322 Env* src_env; 3. member_decl: Class member declaration for dst_env. 323 Env* dst_env; 5. member_decl: Class member declaration for sync. 324 bool sync; 7. member_decl: Class member declaration for rate_limiter. 325 RateLimiter* rate_limiter; 9. member_decl: Class member declaration for size_limit. 326 uint64_t size_limit; 327 std::promise<CopyOrCreateResult> result; 328 std::function<void()> progress_callback; 329 2. uninit_member: Non-static class member src_env is not initialized in this constructor nor in any functions that it calls. 4. uninit_member: Non-static class member dst_env is not initialized in this constructor nor in any functions that it calls. 6. uninit_member: Non-static class member sync is not initialized in this constructor nor in any functions that it calls. 8. uninit_member: Non-static class member rate_limiter is not initialized in this constructor nor in any functions that it calls. CID 1396123 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 10. uninit_member: Non-static class member size_limit is not initialized in this constructor nor in any functions that it calls. 330 CopyOrCreateWorkItem() {} ``` 5. struct RestoreAfterCopyOrCreateWorkItem ``` struct RestoreAfterCopyOrCreateWorkItem { 410 std::future<CopyOrCreateResult> result; 1. member_decl: Class member declaration for checksum_value. 411 uint32_t checksum_value; CID 1396153 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 2. uninit_member: Non-static class member checksum_value is not initialized in this constructor nor in any functions that it calls. 412 RestoreAfterCopyOrCreateWorkItem() {} ``` Closes facebook#3131 Differential Revision: D6428556 Pulled By: sagar0 fbshipit-source-id: a86675444543eff028e3cae6942197a143a112c4
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Summary: tools/ldb_cmd.cc: ``` 310 ignore_unknown_options_ = IsFlagPresent(flags, ARG_IGNORE_UNKNOWN_OPTIONS); CID 1322798 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 5. uninit_member: Non-static class member db_ttl_ is not initialized in this constructor nor in any functions that it calls. 311} ``` Closes facebook#3122 Differential Revision: D6428576 Pulled By: sagar0 fbshipit-source-id: d77f04dd201f7f1d9f59ef88a215ee7ad7b934e9
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Summary: table/block.cc: 420 } CID 1396127 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 7. uninit_member: Non-static class member restart_offset_ is not initialized in this constructor nor in any functions that it calls. 421} table/block_based_table_builder.cc: CID 1418259 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 7. uninit_member: Non-static class member compressed_cache_key_prefix_size is not initialized in this constructor nor in any functions that it calls. table/block_based_table_reader.h: 3. uninit_member: Non-static class member index_type is not initialized in this constructor nor in any functions that it calls. CID 1396147 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 5. uninit_member: Non-static class member hash_index_allow_collision is not initialized in this constructor nor in any functions that it calls. 413 global_seqno(kDisableGlobalSequenceNumber) {} 414 table/cuckoo_table_reader.cc: 55 if (hash_funs == user_props.end()) { 56 status_ = Status::Corruption("Number of hash functions not found"); 5. uninit_member: Non-static class member is_last_level_ is not initialized in this constructor nor in any functions that it calls. 7. uninit_member: Non-static class member identity_as_first_hash_ is not initialized in this constructor nor in any functions that it calls. 9. uninit_member: Non-static class member use_module_hash_ is not initialized in this constructor nor in any functions that it calls. 11. uninit_member: Non-static class member num_hash_func_ is not initialized in this constructor nor in any functions that it calls. 13. uninit_member: Non-static class member key_length_ is not initialized in this constructor nor in any functions that it calls. 15. uninit_member: Non-static class member user_key_length_ is not initialized in this constructor nor in any functions that it calls. 17. uninit_member: Non-static class member value_length_ is not initialized in this constructor nor in any functions that it calls. 19. uninit_member: Non-static class member bucket_length_ is not initialized in this constructor nor in any functions that it calls. 21. uninit_member: Non-static class member cuckoo_block_size_ is not initialized in this constructor nor in any functions that it calls. 23. uninit_member: Non-static class member cuckoo_block_bytes_minus_one_ is not initialized in this constructor nor in any functions that it calls. CID 1322785 (#2 of 2): Uninitialized scalar field (UNINIT_CTOR) 25. uninit_member: Non-static class member table_size_ is not initialized in this constructor nor in any functions that it calls. 57 return; table/plain_table_index.h: 2. uninit_member: Non-static class member index_size_ is not initialized in this constructor nor in any functions that it calls. CID 1322801 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 4. uninit_member: Non-static class member sub_index_size_ is not initialized in this constructor nor in any functions that it calls. 128 huge_page_tlb_size_(huge_page_tlb_size) {} 129 Closes facebook#3113 Differential Revision: D6505719 Pulled By: yiwu-arbug fbshipit-source-id: 38f44d8f9dfefb4c2e25d83b8df25a5201c75618
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Summary: db/version_builder.cc: 117 base_vstorage_->InternalComparator(); CID 1351713 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 2. uninit_member: Non-static class member field level_zero_cmp_.internal_comparator is not initialized in this constructor nor in any functions that it calls. db/version_edit.h: 145 FdWithKeyRange() 146 : fd(), 147 smallest_key(), 148 largest_key() { CID 1418254 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 2. uninit_member: Non-static class member file_metadata is not initialized in this constructor nor in any functions that it calls. 149 } db/version_set.cc: 120 } CID 1322789 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR) 4. uninit_member: Non-static class member curr_file_level_ is not initialized in this constructor nor in any functions that it calls. 121 } db/write_batch.cc: 939 assert(cf_mems_); CID 1419862 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 3. uninit_member: Non-static class member rebuilding_trx_seq_ is not initialized in this constructor nor in any functions that it calls. 940 } Closes facebook#3092 Differential Revision: D6505666 Pulled By: yiwu-arbug fbshipit-source-id: fd2c68948a0280772691a419d72ac7e190951d86
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Summary: db/compaction_job.cc: ReportStartedCompaction(compaction); CID 1419863 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 2. uninit_member: Non-static class member bottommost_level_ is not initialized in this constructor nor in any functions that it calls. db/compaction_picker_universal.cc: 7struct InputFileInfo { 2. uninit_member: Non-static class member level is not initialized in this constructor nor in any functions that it calls. CID 1405355 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 4. uninit_member: Non-static class member index is not initialized in this constructor nor in any functions that it calls. 38 InputFileInfo() : f(nullptr) {} db/dbformat.h: ParsedInternalKey() 84 : sequence(kMaxSequenceNumber) // Make code analyzer happy CID 1168095 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 2. uninit_member: Non-static class member type is not initialized in this constructor nor in any functions that it calls. 85 {} // Intentionally left uninitialized (for speed) Closes facebook#3091 Differential Revision: D6534558 Pulled By: yiwu-arbug fbshipit-source-id: 5ada975956196d267b3f149386842af71eda7553
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Summary:
Fixes the following ASAN error:
```
==2108042==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7fc50ae9b868 at pc 0x7fc5112aff55 bp 0x7fff9eb9dc10 sp 0x7fff9eb9dc08
=== How to use this, how to get the raw stack trace, and more: fburl.com/ASAN ===
READ of size 8 at 0x7fc50ae9b868 thread T0
SCARINESS: 23 (8-byte-read-stack-use-after-scope)
#0 rocksdb/dbformat.h:164 rocksdb::InternalKeyComparator::user_comparator() const
#1 librocksdb_src_rocksdb_lib.so+0x1429a7d rocksdb::RangeDelAggregator::InitRep(std::vector<...> const&)
#2 librocksdb_src_rocksdb_lib.so+0x142ceae rocksdb::RangeDelAggregator::AddTombstones(std::unique_ptr<...>)
facebook#3 librocksdb_src_rocksdb_lib.so+0x1382d88 rocksdb::ForwardIterator::RebuildIterators(bool)
facebook#4 librocksdb_src_rocksdb_lib.so+0x1382362 rocksdb::ForwardIterator::ForwardIterator(rocksdb::DBImpl*, rocksdb::ReadOptions const&, rocksdb::ColumnFamilyData*, rocksdb::SuperVersion*)
facebook#5 librocksdb_src_rocksdb_lib.so+0x11f433f rocksdb::DBImpl::NewIterator(rocksdb::ReadOptions const&, rocksdb::ColumnFamilyHandle*)
facebook#6 rocksdb/src/include/rocksdb/db.h:382 rocksdb::DB::NewIterator(rocksdb::ReadOptions const&)
facebook#7 rocksdb/db_range_del_test.cc:807 rocksdb::DBRangeDelTest_TailingIteratorRangeTombstoneUnsupported_Test::TestBody()
facebook#18 rocksdb/db_range_del_test.cc:1006 main
Address 0x7fc50ae9b868 is located in stack of thread T0 at offset 104 in frame
#0 librocksdb_src_rocksdb_lib.so+0x13825af rocksdb::ForwardIterator::RebuildIterators(bool)
```
Closes facebook#3300
Differential Revision: D6612989
Pulled By: ajkr
fbshipit-source-id: e7ea2ed914c1b80a8a29d71d92440a6bd9cbcc80
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Summary: options/cf_options.cc: 77 memtable_insert_with_hint_prefix_extractor( CID 1396208 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR) 2. uninit_member: Non-static class member info_log_level is not initialized in this constructor nor in any functions that it calls. Closes facebook#3106 Differential Revision: D6874689 Pulled By: sagar0 fbshipit-source-id: b5cd2d13915fd86d87260050f9c5d117615bbe30
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…_family_test (facebook#4474) Summary: this should fix the current failing TSAN jobs: The callstack for TSAN: > WARNING: ThreadSanitizer: data race (pid=87440) Read of size 8 at 0x7d580000fce0 by thread T22 (mutexes: write M548703): #0 rocksdb::InternalStats::DumpCFStatsNoFileHistogram(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:1204 (column_family_test+0x00000080eca7) #1 rocksdb::InternalStats::DumpCFStats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:1169 (column_family_test+0x0000008106d0) #2 rocksdb::InternalStats::HandleCFStats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, rocksdb::Slice) db/internal_stats.cc:578 (column_family_test+0x000000810720) facebook#3 rocksdb::InternalStats::GetStringProperty(rocksdb::DBPropertyInfo const&, rocksdb::Slice const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) db/internal_stats.cc:488 (column_family_test+0x00000080670c) facebook#4 rocksdb::DBImpl::DumpStats() db/db_impl.cc:625 (column_family_test+0x00000070ce9a) > Previous write of size 8 at 0x7d580000fce0 by main thread: #0 rocksdb::InternalStats::AddCFStats(rocksdb::InternalStats::InternalCFStatsType, unsigned long) db/internal_stats.h:324 (column_family_test+0x000000693bbf) #1 rocksdb::ColumnFamilyData::RecalculateWriteStallConditions(rocksdb::MutableCFOptions const&) db/column_family.cc:818 (column_family_test+0x000000693bbf) #2 rocksdb::ColumnFamilyTest_WriteStallSingleColumnFamily_Test::TestBody() db/column_family_test.cc:2563 (column_family_test+0x0000005e5a49) Pull Request resolved: facebook#4474 Differential Revision: D10262099 Pulled By: miasantreble fbshipit-source-id: 1247973a3ca32e399b4575d3401dd5439c39efc5
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Jan 5, 2019
Summary: Previously for point lookup we decided which file to look into based on user key overlap only. We also did not truncate range tombstones in the point lookup code path. These two ideas did not interact well in cases like this: - L1 has range tombstone [a, c)#1 and point key b#2. The data is split between file1 with range [a#1,1, b#72057594037927935,15], and file2 with range [b#2, c#1]. - L1's file2 gets compacted to L2. - User issues `Get()` for b#3. - L1's file1 is opened and the range tombstone [a, c)#1 is found for b, while no point-key for b is found in L1. - `Get()` assumes that the range tombstone must cover all data in that range in lower levels, so short circuits and returns `NotFound`. The solution to this problem is to not look into files that only overlap with the point lookup at a range tombstone sentinel endpoint. In the above example, this would mean not opening L1's file1 or its tombstones during the `Get()`. Pull Request resolved: facebook#4829 Differential Revision: D13561355 Pulled By: ajkr fbshipit-source-id: a13c21c816870a2f5d32a48af6dbd719a7d9d19f
ajkr
added a commit
that referenced
this pull request
Sep 23, 2020
a4a4a2d changed the contract of `TableReader::NewIterator()` to require `ReadOptions` outlive the returned iterator. But I didn't notice that `SstFileReader` violates the new contract and needs to be adapted. The unit test provided here exposes the problem when run under ASAN. ``` $ ./sst_file_reader_test --gtest_filter=SstFileReaderTest.ReadOptionsOutOfScope Note: Google Test filter = SstFileReaderTest.ReadOptionsOutOfScope [==========] Running 1 test from 1 test case. [----------] Global test environment set-up. [----------] 1 test from SstFileReaderTest [ RUN ] SstFileReaderTest.ReadOptionsOutOfScope ================================================================= ==3238048==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7ffd6189e158 at pc 0x000001298350 bp 0x7ffd6189c280 sp 0x7ffd6189c278 READ of size 8 at 0x7ffd6189e158 thread T0 #0 0x129834f in rocksdb::BlockBasedTableIterator::InitDataBlock() table/block_based/block_based_table_iterator.cc:236 #1 0x12b01f7 in rocksdb::BlockBasedTableIterator::SeekImpl(rocksdb::Slice const*) table/block_based/block_based_table_iterator.cc:77 #2 0x844d28 in rocksdb::IteratorWrapperBase<rocksdb::Slice>::SeekToFirst() table/iterator_wrapper.h:116 facebook#3 0x844d28 in rocksdb::DBIter::SeekToFirst() db/db_iter.cc:1352 facebook#4 0x52482b in rocksdb::SstFileReaderTest_ReadOptionsOutOfScope_Test::TestBody() table/sst_file_reader_test.cc:150 facebook#5 0x5f433c in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3899 facebook#6 0x5f433c in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3935 facebook#7 0x5cc2de in testing::Test::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3973 facebook#8 0x5cc988 in testing::Test::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3965 facebook#9 0x5cc988 in testing::TestInfo::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4149 facebook#10 0x5cce9a in testing::TestInfo::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4124 facebook#11 0x5cce9a in testing::TestCase::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4267 facebook#12 0x5ce696 in testing::TestCase::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4253 facebook#13 0x5ce696 in testing::internal::UnitTestImpl::RunAllTests() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:6633 facebook#14 0x5f541c in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3899 facebook#15 0x5f541c in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3935 facebook#16 0x5cee74 in testing::UnitTest::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:6242 facebook#17 0x4c0332 in RUN_ALL_TESTS() third-party/gtest-1.8.1/fused-src/gtest/gtest.h:22104 facebook#18 0x4c0332 in main table/sst_file_reader_test.cc:213 facebook#19 0x7fb0263281a5 in __libc_start_main (/usr/local/fbcode/platform007/lib/libc.so.6+0x211a5) facebook#20 0x523e56 (/data/users/andrewkr/rocksdb/sst_file_reader_test+0x523e56) Address 0x7ffd6189e158 is located in stack of thread T0 at offset 568 in frame #0 0x52428f in rocksdb::SstFileReaderTest_ReadOptionsOutOfScope_Test::TestBody() table/sst_file_reader_test.cc:131 This frame has 9 object(s): [32, 40) 'reader' [96, 104) '<unknown>' [160, 168) '<unknown>' [224, 232) 'iter' [288, 304) 'gtest_ar' [352, 368) '<unknown>' [416, 440) 'keys' [480, 512) '<unknown>' [544, 680) 'ropts' <== Memory access at offset 568 is inside this variable HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext (longjmp and C++ exceptions *are* supported) SUMMARY: AddressSanitizer: stack-use-after-scope table/block_based/block_based_table_iterator.cc:236 in rocksdb::BlockBasedTableIterator::InitDataBlock() ... ``` The fix is to use `ArenaWrappedDBIter` which has support for holding a `ReadOptions` in an `Arena` whose lifetime is tied to the iterator. Test Plan: verified the provided unit test no longer fails
ajkr
added a commit
that referenced
this pull request
Dec 18, 2021
Repro command:
```
$ rm -rf /dev/shm/rocksdb/rocksdb_crashtest_{whitebox,expected}/ && mkdir -p /dev/shm/rocksdb/rocksdb_crashtest_{whitebox,expected}/ && ./db_stress --acquire_snapshot_one_in=10000 --atomic_flush=1 --avoid_flush_during_recovery=0 --avoid_unnecessary_blocking_io=1 --backup_max_size=104857600 --backup_one_in=100000 --batch_protection_bytes_per_key=0 --block_size=16384 --bloom_bits=131.8094496796033 --bottommost_compression_type=zlib --cache_index_and_filter_blocks=1 --cache_size=1048576 --checkpoint_one_in=1000000 --checksum_type=kCRC32c --clear_column_family_one_in=0 --compact_files_one_in=1000000 --compact_range_one_in=1000000 --compaction_style=1 --compaction_ttl=0 --compression_max_dict_buffer_bytes=134217727 --compression_max_dict_bytes=16384 --compression_parallel_threads=1 --compression_type=zstd --compression_zstd_max_train_bytes=65536 --continuous_verification_interval=0 --db=/dev/shm/rocksdb/rocksdb_crashtest_whitebox --db_write_buffer_size=8388608 --delpercent=5 --delrangepercent=0 --destroy_db_initially=0 --disable_wal=1 --enable_compaction_filter=0 --enable_pipelined_write=0 --fail_if_options_file_error=1 --file_checksum_impl=crc32c --flush_one_in=1000000 --format_version=5 --get_current_wal_file_one_in=0 --get_live_files_one_in=1000000 --get_property_one_in=1000000 --get_sorted_wal_files_one_in=0 --index_block_restart_interval=15 --index_type=3 --iterpercent=10 --key_len_percent_dist=1,30,69 --level_compaction_dynamic_level_bytes=True --log2_keys_per_lock=22 --long_running_snapshots=0 --mark_for_compaction_one_file_in=10 --max_background_compactions=20 --max_bytes_for_level_base=10485760 --max_key=1000000 --max_key_len=3 --max_manifest_file_size=1073741824 --max_write_batch_group_size_bytes=1048576 --max_write_buffer_number=3 --max_write_buffer_size_to_maintain=4194304 --memtablerep=skip_list --mmap_read=1 --mock_direct_io=False --nooverwritepercent=1 --open_files=500000 --open_metadata_write_fault_one_in=0 --open_read_fault_one_in=32 --open_write_fault_one_in=0 --ops_per_thread=20000 --optimize_filters_for_memory=1 --paranoid_file_checks=0 --partition_filters=0 --partition_pinning=0 --pause_background_one_in=1000000 --periodic_compaction_seconds=0 --prefixpercent=5 --prepopulate_block_cache=1 --progress_reports=0 --read_fault_one_in=1000 --readpercent=45 --recycle_log_file_num=1 --reopen=0 --ribbon_starting_level=999 --secondary_cache_fault_one_in=32 --snapshot_hold_ops=100000 --sst_file_manager_bytes_per_sec=104857600 --sst_file_manager_bytes_per_truncate=1048576 --subcompactions=2 --sync=0 --sync_fault_injection=False --target_file_size_base=2097152 --target_file_size_multiplier=2 --test_batches_snapshots=1 --test_cf_consistency=1 --top_level_index_pinning=0 --unpartitioned_pinning=0 --use_block_based_filter=1 --use_clock_cache=0 --use_direct_io_for_flush_and_compaction=0 --use_direct_reads=0 --use_full_merge_v1=1 --use_merge=0 --use_multiget=1 --user_timestamp_size=0 --verify_checksum=1 --verify_checksum_one_in=1000000 --verify_db_one_in=100000 --write_buffer_size=1048576 --write_dbid_to_manifest=1 --write_fault_one_in=0 --writepercent=35
```
TSAN error:
```
WARNING: ThreadSanitizer: data race (pid=2750142)
Read of size 4 at 0x7ffc21d7f58c by thread T39 (mutexes: write M670895590377780496):
#0 rocksdb::SharedState::AllInitialized() const db_stress_tool/db_stress_shared_state.h:204 (db_stress+0x4fd307)
#1 rocksdb::ThreadBody(void*) db_stress_tool/db_stress_driver.cc:26 (db_stress+0x4fd307)
#2 StartThreadWrapper env/env_posix.cc:454 (db_stress+0x84472f)
Previous write of size 4 at 0x7ffc21d7f58c by main thread:
#0 rocksdb::SharedState::IncThreads() db_stress_tool/db_stress_shared_state.h:194 (db_stress+0x4fd779)
#1 rocksdb::RunStressTest(rocksdb::StressTest*) db_stress_tool/db_stress_driver.cc:78 (db_stress+0x4fd779)
#2 rocksdb::db_stress_tool(int, char**) db_stress_tool/db_stress_tool.cc:348 (db_stress+0x4b97dc)
facebook#3 main db_stress_tool/db_stress.cc:21 (db_stress+0x47a351)
Location is stack of main thread.
Location is global '<null>' at 0x000000000000 ([stack]+0x00000001d58c)
Mutex M670895590377780496 is already destroyed.
Thread T39 (tid=2750211, running) created by main thread at:
#0 pthread_create /home/engshare/third-party2/gcc/9.x/src/gcc-10.x/libsanitizer/tsan/tsan_interceptors.cc:964 (libtsan.so.0+0x613c3)
#1 StartThread env/env_posix.cc:464 (db_stress+0x8463c2)
#2 rocksdb::CompositeEnvWrapper::StartThread(void (*)(void*), void*) env/composite_env_wrapper.h:288 (db_stress+0x4bcd20)
facebook#3 rocksdb::EnvWrapper::StartThread(void (*)(void*), void*) include/rocksdb/env.h:1475 (db_stress+0x4bb950)
facebook#4 rocksdb::RunStressTest(rocksdb::StressTest*) db_stress_tool/db_stress_driver.cc:80 (db_stress+0x4fd9d2)
facebook#5 rocksdb::db_stress_tool(int, char**) db_stress_tool/db_stress_tool.cc:348 (db_stress+0x4b97dc)
facebook#6 main db_stress_tool/db_stress.cc:21 (db_stress+0x47a351)
SUMMARY: ThreadSanitizer: data race db_stress_tool/db_stress_shared_state.h:204 in rocksdb::SharedState::AllInitialized() const
```
Test Plan: verified repro command works after this PR.
ajkr
added a commit
that referenced
this pull request
Dec 20, 2021
We ran into a flake I could not debug so instead added assertions in
case it happens again.
Command was:
```
TEST_TMPDIR=/dev/shm/rocksdb COMPILE_WITH_UBSAN=1 USE_CLANG=1 OPT=-g SKIP_FORMAT_BUCK_CHECKS=1 make J=80 -j80 ubsan_check
```
Failure output was:
```
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from EventListenerTest
[ RUN ] EventListenerTest.DisableBGCompaction
UndefinedBehaviorSanitizer:DEADLYSIGNAL
==1558126==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address 0x000000000031 (pc 0x7fd9c04dda22 bp 0x7fd9bf8aa580 sp 0x7fd9bf8aa540 T1558147)
==1558126==The signal is caused by a READ memory access.
==1558126==Hint: address points to the zero page.
#0 0x7fd9c04dda21 in __dynamic_cast /home/engshare/third-party2/libgcc/9.x/src/gcc-9.x/x86_64-facebook-linux/libstdc++-v3/libsupc++/../../.././libstdc++-v3/libsupc++/dyncast.cc:49:3
#1 0x510c53 in __ubsan::checkDynamicType(void*, void*, unsigned long) (/data/sandcastle/boxes/eden-trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/listener_test+0x510c53)
#2 0x50fb32 in HandleDynamicTypeCacheMiss(__ubsan::DynamicTypeCacheMissData*, unsigned long, unsigned long, __ubsan::ReportOptions) (/data/sandcastle/boxes/eden-trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/listener_test+0x50fb32)
facebook#3 0x510230 in __ubsan_handle_dynamic_type_cache_miss_abort (/data/sandcastle/boxes/eden-trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/listener_test+0x510230)
facebook#4 0x63221a in rocksdb::ColumnFamilyHandleImpl* rocksdb::static_cast_with_check<rocksdb::ColumnFamilyHandleImpl, rocksdb::ColumnFamilyHandle>(rocksdb::ColumnFamilyHandle*) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/./util/cast_util.h:19:20
facebook#5 0x71cafa in rocksdb::DBImpl::TEST_GetFilesMetaData(rocksdb::ColumnFamilyHandle*, std::vector<std::vector<rocksdb::FileMetaData, std::allocator<rocksdb::FileMetaData> >, std::allocator<std::vector<rocksdb::FileMetaData, std::allocator<rocksdb::FileMetaData> > > >*, std::vector<std::shared_ptr<rocksdb::BlobFileMetaData>, std::allocator<std::shared_ptr<rocksdb::BlobFileMetaData> > >*) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_debug.cc:63:14
facebook#6 0x53f6b4 in rocksdb::TestFlushListener::OnFlushCompleted(rocksdb::DB*, rocksdb::FlushJobInfo const&) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/listener_test.cc:277:24
facebook#7 0x6e2f7d in rocksdb::DBImpl::NotifyOnFlushCompleted(rocksdb::ColumnFamilyData*, rocksdb::MutableCFOptions const&, std::__cxx11::list<std::unique_ptr<rocksdb::FlushJobInfo, std::default_delete<rocksdb::FlushJobInfo> >, std::allocator<std::unique_ptr<rocksdb::FlushJobInfo, std::default_delete<rocksdb::FlushJobInfo> > > >*) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_compaction_flush.cc:863:19
facebook#8 0x6e1074 in rocksdb::DBImpl::FlushMemTableToOutputFile(rocksdb::ColumnFamilyData*, rocksdb::MutableCFOptions const&, bool*, rocksdb::JobContext*, rocksdb::SuperVersionContext*, std::vector<unsigned long, std::allocator<unsigned long> >&, unsigned long, rocksdb::SnapshotChecker*, rocksdb::LogBuffer*, rocksdb::Env::Priority) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_compaction_flush.cc:314:5
facebook#9 0x6e3412 in rocksdb::DBImpl::FlushMemTablesToOutputFiles(rocksdb::autovector<rocksdb::DBImpl::BGFlushArg, 8ul> const&, bool*, rocksdb::JobContext*, rocksdb::LogBuffer*, rocksdb::Env::Priority) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_compaction_flush.cc:359:14
facebook#10 0x700df6 in rocksdb::DBImpl::BackgroundFlush(bool*, rocksdb::JobContext*, rocksdb::LogBuffer*, rocksdb::FlushReason*, rocksdb::Env::Priority) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_compaction_flush.cc:2703:14
facebook#11 0x6fe1f0 in rocksdb::DBImpl::BackgroundCallFlush(rocksdb::Env::Priority) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_compaction_flush.cc:2742:16
facebook#12 0x6fc732 in rocksdb::DBImpl::BGWorkFlush(void*) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/db/db_impl/db_impl_compaction_flush.cc:2569:44
facebook#13 0xb3a820 in void std::_Bind<void (* (void*))(void*)>::operator()<void>() /mnt/gvfs/third-party2/libgcc/4959b39cfbe5965a37c861c4c327fa7c5c759b87/9.x/platform009/9202ce7/include/c++/9.x/functional:482:17
facebook#14 0xb3a820 in std::_Function_handler<void (), std::_Bind<void (* (void*))(void*)> >::_M_invoke(std::_Any_data const&) /mnt/gvfs/third-party2/libgcc/4959b39cfbe5965a37c861c4c327fa7c5c759b87/9.x/platform009/9202ce7/include/c++/9.x/bits/std_function.h:300:2
facebook#15 0xb347cc in rocksdb::ThreadPoolImpl::Impl::BGThread(unsigned long) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/util/threadpool_imp.cc:266:5
facebook#16 0xb34a2f in rocksdb::ThreadPoolImpl::Impl::BGThreadWrapper(void*) /data/sandcastle/boxes/trunk-hg-fbcode-fbsource/fbcode/internal_repo_rocksdb/repo/util/threadpool_imp.cc:307:7
facebook#17 0x7fd9c051a660 in execute_native_thread_routine /home/engshare/third-party2/libgcc/9.x/src/gcc-9.x/x86_64-facebook-linux/libstdc++-v3/src/c++11/../../../.././libstdc++-v3/src/c++11/thread.cc:80:18
facebook#18 0x7fd9c041e20b in start_thread /home/engshare/third-party2/glibc/2.30/src/glibc-2.30/nptl/pthread_create.c:479:8
facebook#19 0x7fd9c01dd16e in clone /home/engshare/third-party2/glibc/2.30/src/glibc-2.30/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
```
ajkr
pushed a commit
that referenced
this pull request
Mar 31, 2022
…n opening Posix WritableFile (facebook#9685) Summary: Pull Request resolved: facebook#9685 Our TSAN reports a race condition as follows when running test ``` gtest-parallel -r 100 ./external_sst_file_test --gtest_filter=ExternalSSTFileTest.MultiThreaded ``` leads to the following ``` WARNING: ThreadSanitizer: data race (pid=2683148) Write of size 1 at 0x556fede63340 by thread T7: #0 rocksdb::(anonymous namespace)::PosixFileSystem::OpenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, bool, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:334 (external_sst_file_test+0xb61ac4) #1 rocksdb::(anonymous namespace)::PosixFileSystem::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:382 (external_sst_file_test+0xb5ba96) #2 rocksdb::CompositeEnv::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<rocksdb::WritableFile, std::default_delete<rocksdb::WritableFile> >*, rocksdb::EnvOptions const&) internal_repo_rocksdb/repo/env/composite_env.cc:334 (external_sst_file_test+0xa6ab7f) facebook#3 rocksdb::EnvWrapper::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<rocksdb::WritableFile, std::default_delete<rocksdb::WritableFile> >*, rocksdb::EnvOptions const&) internal_repo_rocksdb/repo/include/rocksdb/env.h:1428 (external_sst_file_test+0x561f3e) Previous read of size 1 at 0x556fede63340 by thread T4: #0 rocksdb::(anonymous namespace)::PosixFileSystem::OpenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileOptions const&, bool, std::unique_ptr<rocksdb::FSWritableFile, std::default_delete<rocksdb::FSWritableFile> >*, rocksdb::IODebugContext*) internal_repo_rocksdb/repo/env/fs_posix.cc:328 (external_sst_file_test+0xb61a70) #1 rocksdb::(anonymous namespace)::PosixFileSystem::ReopenWritableFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator ... ``` Fix by making sure the following block gets executed only once: ``` if (!checkedDiskForMmap_) { // this will be executed once in the program's lifetime. // do not use mmapWrite on non ext-3/xfs/tmpfs systems. if (!SupportsFastAllocate(fname)) { forceMmapOff_ = true; } checkedDiskForMmap_ = true; } ``` Reviewed By: pdillinger Differential Revision: D34780308 fbshipit-source-id: b761f66b24c8b5b8389d86ea371c8542b8d869d5
ajkr
added a commit
that referenced
this pull request
Apr 5, 2022
The unit test repro gives the following error prior to the fix:
```
==2175705==ERROR: AddressSanitizer: heap-use-after-free on address 0x61f0000012a5 at pc 0x7f0fc36e76ce bp 0x7ffc103e9ca0 sp 0x7ffc103e9450
READ of size 5 at 0x61f0000012a5 thread T0
#0 0x7f0fc36e76cd in __interceptor_memcpy /home/engshare/third-party2/gcc/9.x/src/gcc-10.x/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:790
#1 0x7f0fc35a207e in std::char_traits<char>::copy(char*, char const*, unsigned long) /home/engshare/third-party2/libgcc/9.x/src/gcc-9.x/x86_64-facebook-linux/libstdc++-v3/include/bits/char_traits.h:365
#2 0x7f0fc35a207e in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_S_copy(char*, char const*, unsigned long) /home/engshare/third-party2/libgcc/9.x/src/gcc-9.x/x86_64-facebook-linux/libstdc++-v3/include/bits/basic_string.h:351
facebook#3 0x7f0fc35a207e in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_replace(unsigned long, unsigned long, char const*, unsigned long) /home/engshare/third-party2/libgcc/9.x/src/gcc-9.x/x86_64-facebook-linux/libstdc++-v3/include/bits/basic_string.tcc:440
facebook#4 0x8679ca in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::assign(char const*, unsigned long) /mnt/gvfs/third-party2/libgcc/4959b39cfbe5965a37c861c4c327fa7c5c759b87/9.x/platform009/9202ce7/include/c++/9.3.0/bits/basic_string.h:1422
facebook#5 0x8679ca in rocksdb::PinnableSlice::PinSelf(rocksdb::Slice const&) include/rocksdb/slice.h:171
facebook#6 0x8679ca in rocksdb::DBImpl::GetImpl(rocksdb::ReadOptions const&, rocksdb::Slice const&, rocksdb::DBImpl::GetImplOptions&) db/db_impl/db_impl.cc:1930
facebook#7 0x547324 in rocksdb::DBImpl::GetMergeOperands(rocksdb::ReadOptions const&, rocksdb::ColumnFamilyHandle*, rocksdb::Slice const&, rocksdb::PinnableSlice*, rocksdb::GetMergeOperandsOptions*, int*) db/db_impl/db_impl.h:203
facebook#8 0x547324 in rocksdb::DBMergeOperandTest_FlushedMergeOperandReadAfterFreeBug_Test::TestBody() db/db_merge_operand_test.cc:117
facebook#9 0x7241da in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3899
facebook#10 0x7241da in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3935
facebook#11 0x701a47 in testing::Test::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3973
facebook#12 0x702040 in testing::Test::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3965
facebook#13 0x702040 in testing::TestInfo::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4149
facebook#14 0x7025f7 in testing::TestInfo::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4124
facebook#15 0x7025f7 in testing::TestCase::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4267
facebook#16 0x704217 in testing::TestCase::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4253
facebook#17 0x704217 in testing::internal::UnitTestImpl::RunAllTests() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:6633
facebook#18 0x72505a in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3899
facebook#19 0x72505a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3935
facebook#20 0x704aa1 in testing::UnitTest::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:6242
facebook#21 0x4c4aff in RUN_ALL_TESTS() third-party/gtest-1.8.1/fused-src/gtest/gtest.h:22110
facebook#22 0x4c4aff in main db/db_merge_operand_test.cc:404
facebook#23 0x7f0fc3108dc4 in __libc_start_main ../csu/libc-start.c:308
facebook#24 0x5445fd in _start (/data/users/andrewkr/rocksdb/db_merge_operand_test+0x5445fd)
0x61f0000012a5 is located 1061 bytes inside of 3264-byte region [0x61f000000e80,0x61f000001b40)
freed by thread T0 here:
#0 0x7f0fc375b6af in operator delete(void*, unsigned long) /home/engshare/third-party2/gcc/9.x/src/gcc-10.x/libsanitizer/asan/asan_new_delete.cc:177
#1 0x743be8 in rocksdb::SuperVersion::~SuperVersion() db/column_family.cc:432
#2 0x8052aa in rocksdb::DBImpl::CleanupSuperVersion(rocksdb::SuperVersion*) db/db_impl/db_impl.cc:3534
facebook#3 0x8676c2 in rocksdb::DBImpl::ReturnAndCleanupSuperVersion(rocksdb::ColumnFamilyData*, rocksdb::SuperVersion*) db/db_impl/db_impl.cc:3544
facebook#4 0x8676c2 in rocksdb::DBImpl::GetImpl(rocksdb::ReadOptions const&, rocksdb::Slice const&, rocksdb::DBImpl::GetImplOptions&) db/db_impl/db_impl.cc:1911
facebook#5 0x547324 in rocksdb::DBImpl::GetMergeOperands(rocksdb::ReadOptions const&, rocksdb::ColumnFamilyHandle*, rocksdb::Slice const&, rocksdb::PinnableSlice*, rocksdb::GetMergeOperandsOptions*, int*) db/db_impl/db_impl.h:203
facebook#6 0x547324 in rocksdb::DBMergeOperandTest_FlushedMergeOperandReadAfterFreeBug_Test::TestBody() db/db_merge_operand_test.cc:117
facebook#7 0x7241da in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3899
facebook#8 0x7241da in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3935
facebook#9 0x701a47 in testing::Test::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3973
facebook#10 0x702040 in testing::Test::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3965
facebook#11 0x702040 in testing::TestInfo::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4149
facebook#12 0x7025f7 in testing::TestInfo::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4124
facebook#13 0x7025f7 in testing::TestCase::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4267
facebook#14 0x704217 in testing::TestCase::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:4253
facebook#15 0x704217 in testing::internal::UnitTestImpl::RunAllTests() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:6633
facebook#16 0x72505a in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3899
facebook#17 0x72505a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:3935
facebook#18 0x704aa1 in testing::UnitTest::Run() third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:6242
facebook#19 0x4c4aff in RUN_ALL_TESTS() third-party/gtest-1.8.1/fused-src/gtest/gtest.h:22110
facebook#20 0x4c4aff in main db/db_merge_operand_test.cc:404
facebook#21 0x7f0fc3108dc4 in __libc_start_main ../csu/libc-start.c:308
facebook#22 0x5445fd in _start (/data/users/andrewkr/rocksdb/db_merge_operand_test+0x5445fd)
...
```
Test Plan: following the fix in this PR, the unit test passes
ajkr
added a commit
that referenced
this pull request
Jul 16, 2022
`GetOptionsFromString()` is included in `set_options_one_in` because its current behavior actually involves invoking `PrepareOptions()` on existing shared option objects that may be in-use by a DB. While this has known problems like facebook#10374, it is actually used in production and users are finding these problems before us. To prevent accidental coasting we should turn on the feature in stress/crash test to ensure we discover these problems before our users do. Test Plan: - Build with TSAN: `$ COMPILE_WITH_TSAN=1 make -j24 db_stress` - Repro some `GenericRateLimiter` race conditions: ``` $ ./db_stress -rate_limiter_bytes_per_sec=1048576 --set_options_one_in=100 --max_key=1000000 ... WARNING: ThreadSanitizer: data race (pid=3077932) [14/168] Read of size 4 at 0x7b5800000378 by thread T19: #0 rocksdb::SerializeSingleOptionHelper(void const*, rocksdb::OptionType, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) options/options_helper.cc:480 (db_stress+0x9a858e) #1 rocksdb::OptionTypeInfo::Serialize(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) const options/options_helper.cc:1089 (db_stress+0x9a8f94) #2 rocksdb::ConfigurableHelper::SerializeOptions(rocksdb::ConfigOptions const&, rocksdb::Configurable 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> >*) options/configurable.cc:575 (db_stress+0x977c13) facebook#3 rocksdb::Configurable::SerializeOptions(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const options/configurable.cc:519 (db_stress+0x978aff) facebook#4 rocksdb::Customizable::SerializeOptions(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const options/customizable.cc:56 (db_stress+0x98066f) facebook#5 rocksdb::Configurable::ToString(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const options/configurable.cc:507 (db_stress+0x9767c4) facebook#6 rocksdb::Configurable::ToString[abi:cxx11](rocksdb::ConfigOptions const&) const include/rocksdb/configurable.h:181 (db_stress+0x9a94cb) facebook#7 rocksdb::OptionTypeInfo::Serialize(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) const options/options_helper.cc:1070 (db_stress+0x9a94cb) facebook#8 rocksdb::ConfigurableHelper::SerializeOptions(rocksdb::ConfigOptions const&, rocksdb::Configurable 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> >*) options/configurable.cc:575 (db_stress+0x977c13) facebook#9 rocksdb::Configurable::GetOptionString(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) const options/configurable.cc:497 (db_stress+0x978a1c) facebook#10 rocksdb::GetStringFromDBOptions(rocksdb::ConfigOptions const&, rocksdb::DBOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) options/options_helper.cc:631 (db_stress+0x9a1833) facebook#11 rocksdb::PersistRocksDBOptions(rocksdb::ConfigOptions const&, rocksdb::DBOptions const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::vector<rocksdb::ColumnFamilyOptions, std::allocator<rocksdb::ColumnFamilyOptions> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > co nst&, rocksdb::FileSystem*) options/options_parser.cc:99 (db_stress+0x9cbc20) facebook#12 rocksdb::PersistRocksDBOptions(rocksdb::DBOptions const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::vector<rocksdb::ColumnFamilyOptions, std::allocator<rocksdb::ColumnFamilyOptions> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::FileSystem*) opt ions/options_parser.cc:53 (db_stress+0x9ce616) facebook#13 rocksdb::DBImpl::WriteOptionsFile(bool, bool) db/db_impl/db_impl.cc:4506 (db_stress+0x5c98e1) facebook#14 rocksdb::DBImpl::SetOptions(rocksdb::ColumnFamilyHandle*, std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<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> > > > > const&) db/db_impl/db_impl.cc:1152 (db_stress+0x5ca8d8) facebook#15 rocksdb::StressTest::SetOptions(rocksdb::ThreadState*) db_stress_tool/db_stress_test_base.cc:577 (db_stress+0x52769c) facebook#16 rocksdb::StressTest::OperateDb(rocksdb::ThreadState*) db_stress_tool/db_stress_test_base.cc:714 (db_stress+0x534a7e) facebook#17 rocksdb::ThreadBody(void*) db_stress_tool/db_stress_driver.cc:33 (db_stress+0x500b02) facebook#18 StartThreadWrapper env/env_posix.cc:461 (db_stress+0x8a0d3f) Previous write of size 4 at 0x7b5800000378 by thread T37: #0 rocksdb::GenericRateLimiter::Initialize() util/rate_limiter.cc:106 (db_stress+0xb028a0) #1 rocksdb::GenericRateLimiter::PrepareOptions(rocksdb::ConfigOptions const&) util/rate_limiter.cc:146 (db_stress+0xb02bb6) #2 rocksdb::OptionTypeInfo::Prepare(rocksdb::ConfigOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, void*) const options/options_helper.cc:1408 (db_stress+0x9a0756) facebook#3 rocksdb::Configurable::PrepareOptions(rocksdb::ConfigOptions const&) options/configurable.cc:50 (db_stress+0x9757e6) facebook#4 rocksdb::DBOptionsConfigurable::ConfigureOptions(rocksdb::ConfigOptions const&, std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std ::pair<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> > > > > const&, std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to< std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<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> > > > >*) options/db_options.cc:645 (db_stress+0x98d178) facebook#5 rocksdb::Configurable::ConfigureFromMap(rocksdb::ConfigOptions const&, std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<st d::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&, std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cx x11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<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> > > > >*) options/configurable.cc:143 (db_stress+0x9766f7) facebook#6 rocksdb::GetOptionsFromString(rocksdb::ConfigOptions const&, rocksdb::Options const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::Options*) options/options_helper.cc:799 (db_stress+0x9b19cf) facebook#7 rocksdb::GetOptionsFromString(rocksdb::Options const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::Options*) options/options_helper.cc:782 (db_stress+0x9b2611) facebook#8 rocksdb::StressTest::SetOptions(rocksdb::ThreadState*) db_stress_tool/db_stress_test_base.cc:556 (db_stress+0x527802) facebook#9 rocksdb::StressTest::OperateDb(rocksdb::ThreadState*) db_stress_tool/db_stress_test_base.cc:714 (db_stress+0x534a7e) facebook#10 rocksdb::ThreadBody(void*) db_stress_tool/db_stress_driver.cc:33 (db_stress+0x500b02) facebook#11 StartThreadWrapper env/env_posix.cc:461 (db_stress+0x8a0d3f) ```
ajkr
pushed a commit
that referenced
this pull request
Nov 28, 2023
Summary: I must have chosen trimming before frame 8 based on assertion failures, but that trims too many frame for a general segfault. So this changes to start printing at frame 4, as in this example where I've seeded a null deref: ``` Received signal 11 (Segmentation fault) Invoking LLDB for stack trace... Process 873208 stopped * thread #1, name = 'db_stress', stop reason = signal SIGSTOP frame #0: 0x00007fb1fe8f1033 libc.so.6`__GI___wait4(pid=873478, stat_loc=0x00007fb1fb114030, options=0, usage=0x0000000000000000) at wait4.c:30:10 thread #2, name = 'rocksdb:low', stop reason = signal SIGSTOP frame #0: 0x00007fb1fe8972a1 libc.so.6`__GI___futex_abstimed_wait_cancelable64 at futex-internal.c:57:12 Executable module set to "/data/users/peterd/rocksdb/db_stress". Architecture set to: x86_64-unknown-linux-gnu. True frame facebook#4: 0x00007fb1fe844540 libc.so.6`__restore_rt at libc_sigaction.c:13 frame facebook#5: 0x0000000000608514 db_stress`rocksdb::StressTest::InitDb(rocksdb::SharedState*) at db_stress_test_base.cc:345:18 frame facebook#6: 0x0000000000585d62 db_stress`rocksdb::RunStressTestImpl(rocksdb::SharedState*) at db_stress_driver.cc:84:17 frame facebook#7: 0x000000000058dd69 db_stress`rocksdb::RunStressTest(shared=0x00006120000001c0) at db_stress_driver.cc:266:34 frame facebook#8: 0x0000000000453b34 db_stress`rocksdb::db_stress_tool(int, char**) at db_stress_tool.cc:370:20 ... ``` Pull Request resolved: facebook#12101 Test Plan: manual (see above) Reviewed By: ajkr Differential Revision: D51593217 Pulled By: pdillinger fbshipit-source-id: 4a71eb8e516edbc32e682f9537bc77d073a7b4ed
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