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Mike Kolupaev 74b01ac2ea Fix use-after-free and double-deleting files in BackgroundCallPurge() (#6193) 
Summary:
The bad code was:

```
mutex.Lock(); // `mutex` protects `container`
for (auto& x : container) {
  mutex.Unlock();
  // do stuff to x
  mutex.Lock();
}
```

It's incorrect because both `x` and the iterator may become invalid if another thread modifies the container while this thread is not holding the mutex.

Broken by https://github.com/facebook/rocksdb/pull/5796 - it replaced a `while (!container.empty())` loop with a `for (auto x : container)`.

(RocksDB code does a lot of such unlocking+re-locking of mutexes, and this type of bugs comes up a lot :/ )
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6193

Test Plan: Ran some logdevice integration tests that were crashing without this fix.

Differential Revision: D19116874

Pulled By: al13n321

fbshipit-source-id: 9672bc4227c1b68f46f7436db2b96811adb8c703
2020-01-02 12:21:53 -08:00
..
compaction
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
db_impl
Fix use-after-free and double-deleting files in BackgroundCallPurge() (#6193)
2020-01-02 12:21:53 -08:00
arena_wrapped_db_iter.cc
delete superversions in BackgroundCallPurge (#6146)
2020-01-02 12:20:29 -08:00
arena_wrapped_db_iter.h
Refactor ArenaWrappedDBIter into separate files (#5801)
2019-09-13 13:50:43 -07:00
blob_index.h
Support decoding blob indexes in sst_dump (#5926)
2019-10-17 19:36:54 -07:00
builder.cc
BlobDB GC: add SST <-> oldest blob file referenced mapping (#5903)
2019-10-14 15:21:01 -07:00
builder.h
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
c_test.c
Add a limited support for iteration bounds into BaseDeltaIterator (#5403)
2019-11-05 11:39:36 -08:00
c.cc
Remove snap_refresh_nanos option (#5826)
2019-09-18 20:26:04 -07:00
column_family_test.cc
Use Env::LoadEnv to create custom Env objects (#6196)
2019-12-16 23:00:35 -08:00
column_family.cc
delete superversions in BackgroundCallPurge (#6146)
2020-01-02 12:20:29 -08:00
column_family.h
delete superversions in BackgroundCallPurge (#6146)
2020-01-02 12:20:29 -08:00
compact_files_test.cc
Use aggregate initialization for FlushJobInfo/CompactionJobInfo (#5997)
2019-11-01 11:46:19 -07:00
compacted_db_impl.cc
New API to get all merge operands for a Key (#5604)
2019-08-06 14:26:44 -07:00
compacted_db_impl.h
Use delete to disable automatic generated methods. (#5009)
2019-09-11 18:09:00 -07:00
comparator_db_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
convenience.cc
Do readahead in VerifyChecksum() (#5713)
2019-08-16 16:42:56 -07:00
corruption_test.cc
Fix VerifyChecksum readahead with mmap mode (#5945)
2019-10-21 11:38:30 -07:00
cuckoo_table_db_test.cc
Fix memory leak on error opening PlainTable (#5951)
2019-10-21 16:53:06 -07:00
db_basic_test.cc
Fix test failure in LITE mode (#6050)
2019-11-19 10:13:24 -08:00
db_blob_index_test.cc
Disable blob iterator test with max_sequential_skip_in_iterations==0 in LITE mode (#6052)
2019-11-19 15:02:41 -08:00
db_block_cache_test.cc
Charge block cache for cache internal usage (#5797)
2019-09-16 15:26:21 -07:00
db_bloom_filter_test.cc
Expose and elaborate FilterBuildingContext (#6088)
2019-11-26 18:24:10 -08:00
db_compaction_filter_test.cc
upgrade gtest 1.7.0 => 1.8.1 for json result writing
2019-09-09 11:24:11 -07:00
db_compaction_test.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
db_dynamic_level_test.cc
Fix flaky DBDynamicLevelTest.DynamicLevelMaxBytesBase2 (#4668)
2018-11-12 16:42:16 -08:00
db_encryption_test.cc
Fix EncryptedEnv assert (#5735)
2019-09-05 17:21:42 -07:00
db_filesnapshot.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
db_flush_test.cc
Fix DBFlushTest::FireOnFlushCompletedAfterCommittedResult hang (#6018)
2019-11-08 13:47:29 -08:00
db_info_dumper.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
db_info_dumper.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_inplace_update_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_io_failure_test.cc
Disable DBIOFailureTest.NoSpaceCompactRange in LITE (#4596)
2018-10-29 14:36:31 -07:00
db_iter_stress_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
db_iter_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
db_iter.cc
Fix blob context when db_iter uses seek (#6051)
2019-11-19 11:39:02 -08:00
db_iter.h
Apply formatter on recent 45 commits. (#5827)
2019-09-19 12:34:17 -07:00
db_iterator_test.cc
Fix data block upper bound checking for iterator reseek case (#5883)
2019-10-03 20:53:29 -07:00
db_log_iter_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_memtable_test.cc
upgrade gtest 1.7.0 => 1.8.1 for json result writing
2019-09-09 11:24:11 -07:00
db_merge_operand_test.cc
New API to get all merge operands for a Key (#5604)
2019-08-06 14:26:44 -07:00
db_merge_operator_test.cc
New API to get all merge operands for a Key (#5604)
2019-08-06 14:26:44 -07:00
db_options_test.cc
Make default value of options.ttl to be 30 days when it is supported. (#6073)
2019-11-26 10:00:32 -08:00
db_properties_test.cc
Refactor/consolidate legacy Bloom implementation details (#5784)
2019-09-16 16:17:09 -07:00
db_range_del_test.cc
Fix RangeDeletion bug (#6062)
2019-12-17 17:09:46 -08:00
db_sst_test.cc
Fix bugs in WAL trash file handling (#5520)
2019-07-06 21:07:32 -07:00
db_statistics_test.cc
Make statistics's stats_level change thread-safe (#5030)
2019-03-01 10:42:09 -08:00
db_table_properties_test.cc
upgrade gtest 1.7.0 => 1.8.1 for json result writing
2019-09-09 11:24:11 -07:00
db_tailing_iter_test.cc
Remove managed iterator
2018-07-17 14:43:18 -07:00
db_test2.cc
delete superversions in BackgroundCallPurge (#6146)
2020-01-02 12:20:29 -08:00
db_test_util.cc
Use Env::LoadEnv to create custom Env objects (#6196)
2019-12-16 23:00:35 -08:00
db_test_util.h
Expose and elaborate FilterBuildingContext (#6088)
2019-11-26 18:24:10 -08:00
db_test.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
db_universal_compaction_test.cc
Make default value of options.ttl to be 30 days when it is supported. (#6073)
2019-11-26 10:00:32 -08:00
db_wal_test.cc
Adding DB::GetCurrentWalFile() API as a repliction/backup helper (#5765)
2019-09-04 12:10:17 -07:00
db_write_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
dbformat_test.cc
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
dbformat.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
dbformat.h
Use delete to disable automatic generated methods. (#5009)
2019-09-11 18:09:00 -07:00
deletefile_test.cc
Refactor deletefile_test.cc (#5822)
2019-09-18 16:58:21 -07:00
error_handler_test.cc
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
error_handler.cc
Make format
2019-05-31 15:24:43 -07:00
error_handler.h
Fix typos in comments (#4456)
2018-10-04 20:46:50 -07:00
event_helpers.cc
BlobDB GC: add SST <-> oldest blob file referenced mapping (#5903)
2019-10-14 15:21:01 -07:00
event_helpers.h
BlobDB GC: add SST <-> oldest blob file referenced mapping (#5903)
2019-10-14 15:21:01 -07:00
experimental.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
external_sst_file_basic_test.cc
Allow ingesting overlapping files (#5539)
2019-09-13 14:49:47 -07:00
external_sst_file_ingestion_job.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
external_sst_file_ingestion_job.h
Allow ingesting overlapping files (#5539)
2019-09-13 14:49:47 -07:00
external_sst_file_test.cc
Fix IngestExternalFile's bug with two_write_queue (#5976)
2019-11-15 14:00:37 -08:00
fault_injection_test.cc
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
file_indexer_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
file_indexer.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
file_indexer.h
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
filename_test.cc
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
flush_job_test.cc
Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908)
2019-10-16 10:40:23 -07:00
flush_job.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
flush_job.h
Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908)
2019-10-16 10:40:23 -07:00
flush_scheduler.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
flush_scheduler.h
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
forward_iterator_bench.cc
simplify include directive involving inttypes (#5402)
2019-06-06 13:56:07 -07:00
forward_iterator.cc
delete superversions in BackgroundCallPurge (#6146)
2020-01-02 12:20:29 -08:00
forward_iterator.h
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
import_column_family_job.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
import_column_family_job.h
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
import_column_family_test.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
internal_stats.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
internal_stats.h
Rename InternalDBStatsType enum names (#5779)
2019-09-06 17:31:10 -07:00
job_context.h
WritePrepared: Fix visible key compacted out by compaction (#4883)
2019-01-15 21:34:38 -08:00
listener_test.cc
Propagate SST and blob file numbers through the EventListener interface (#5962)
2019-10-24 14:44:15 -07:00
log_format.h
Fix an inaccurate comment (#4315)
2018-08-24 18:13:20 -07:00
log_reader.cc
Divide file_reader_writer.h and .cc (#5803)
2019-09-16 10:33:51 -07:00
log_reader.h
Divide file_reader_writer.h and .cc (#5803)
2019-09-16 10:33:51 -07:00
log_test.cc
Divide file_reader_writer.h and .cc (#5803)
2019-09-16 10:33:51 -07:00
log_writer.cc
Divide file_reader_writer.h and .cc (#5803)
2019-09-16 10:33:51 -07:00
log_writer.h
Use delete to disable automatic generated methods. (#5009)
2019-09-11 18:09:00 -07:00
logs_with_prep_tracker.cc
Skip deleted WALs during recovery
2018-05-03 15:43:09 -07:00
logs_with_prep_tracker.h
Skip deleted WALs during recovery
2018-05-03 15:43:09 -07:00
lookup_key.h
Avoid user key copying for Get/Put/Write with user-timestamp (#5502)
2019-07-25 15:27:39 -07:00
malloc_stats.cc
Support jemalloc compiled with --with-jemalloc-prefix (#5521)
2019-07-02 12:07:01 -07:00
malloc_stats.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
manual_compaction_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
memtable_list_test.cc
Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908)
2019-10-16 10:40:23 -07:00
memtable_list.cc
Fix RangeDeletion bug (#6062)
2019-12-17 17:09:46 -08:00
memtable_list.h
Fix a data race related to memtable trimming (#6187)
2019-12-17 07:52:22 -08:00
memtable.cc
Misc hashing updates / upgrades (#5909)
2019-10-24 17:16:46 -07:00
memtable.h
Do not schedule memtable trimming if there is no history (#6177)
2019-12-17 07:52:22 -08:00
merge_context.h
Introduce a new MultiGet batching implementation (#5011)
2019-04-11 14:28:26 -07:00
merge_helper_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
merge_helper.cc
Fix merging range tombstone covering put during flush/compaction (#5406)
2019-06-04 10:24:14 -07:00
merge_helper.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
merge_operator.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
merge_test.cc
Make format
2019-05-31 15:24:43 -07:00
obsolete_files_test.cc
Refactor ObsoleteFilesTest to inherit from DBTestBase (#5820)
2019-09-18 11:52:17 -07:00
options_file_test.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
perf_context_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
pinned_iterators_manager.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
plain_table_db_test.cc
Fix memory leak on error opening PlainTable (#5951)
2019-10-21 16:53:06 -07:00
pre_release_callback.h
WritePrepared: reduce prepared_mutex_ overhead (#5420)
2019-06-10 11:53:31 -07:00
prefix_test.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
range_del_aggregator_bench.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
range_del_aggregator_test.cc
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
range_del_aggregator.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
range_del_aggregator.h
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
range_tombstone_fragmenter_test.cc
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
range_tombstone_fragmenter.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
range_tombstone_fragmenter.h
Initialized pinned_pos_ and pinned_seq_pos_ in FragmentedRangeTombstoneIterator (#5720)
2019-09-05 17:30:29 -07:00
read_callback.h
WriteUnPrepared: improve read your own write functionality (#5573)
2019-07-23 08:08:19 -07:00
repair_test.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
repair.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
snapshot_checker.h
WritePrepared: fix issue with snapshot released during compaction (#4858)
2019-01-16 09:55:32 -08:00
snapshot_impl.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
snapshot_impl.h
Refresh snapshot list during long compactions (2nd attempt) (#5278)
2019-05-03 17:30:22 -07:00
table_cache.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
table_cache.h
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
table_properties_collector_test.cc
Divide file_reader_writer.h and .cc (#5803)
2019-09-16 10:33:51 -07:00
table_properties_collector.cc
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
table_properties_collector.h
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
transaction_log_impl.cc
Divide file_reader_writer.h and .cc (#5803)
2019-09-16 10:33:51 -07:00
transaction_log_impl.h
reuse scratch buffer in transaction_log_reader (#5702)
2019-08-26 11:26:29 -07:00
trim_history_scheduler.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
trim_history_scheduler.h
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
version_builder_test.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
version_builder.cc
save a few redundant container lookups (#5875)
2019-10-07 12:28:09 -07:00
version_builder.h
Lower the risk for users to run options.force_consistency_checks = true (#5744)
2019-08-29 14:07:37 -07:00
version_edit_test.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
version_edit.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
version_edit.h
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
version_set_test.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
version_set.cc
Support options.max_open_files = -1 with periodic_compaction_seconds (#6090)
2019-11-27 09:50:44 -08:00
version_set.h
Support periodic compaction in universal compaction (#5970)
2019-10-31 11:31:37 -07:00
wal_manager_test.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
wal_manager.cc
Apply formatter to recent 200+ commits. (#5830)
2019-09-20 12:04:26 -07:00
wal_manager.h
Adding DB::GetCurrentWalFile() API as a repliction/backup helper (#5765)
2019-09-04 12:10:17 -07:00
write_batch_base.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_batch_internal.h
Add insert hints for each writebatch (#5728)
2019-09-12 17:15:18 -07:00
write_batch_test.cc
upgrade gtest 1.7.0 => 1.8.1 for json result writing
2019-09-09 11:24:11 -07:00
write_batch.cc
Fix a data race related to memtable trimming (#6187)
2019-12-17 07:52:22 -08:00
write_callback_test.cc
WritePrepared: reduce prepared_mutex_ overhead (#5420)
2019-06-10 11:53:31 -07:00
write_callback.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller_test.cc
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
write_controller.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_thread.cc
Option to make write group size configurable (#5759)
2019-09-11 18:28:33 -07:00
write_thread.h
Option to make write group size configurable (#5759)
2019-09-11 18:28:33 -07:00