mirror of https://github.com/facebook/rocksdb.git
2cbb61eadb
Summary:
clang-analyzer has uncovered a bunch of places where the code is relying
on pointers being valid and one case (in VectorIterator) where a moved-from
object is being used:
In file included from db/range_tombstone_fragmenter.cc:17:
./util/vector_iterator.h:23:18: warning: Method called on moved-from object 'keys' of type 'std::vector'
current_(keys.size()) {
^~~~~~~~~~~
1 warning generated.
utilities/persistent_cache/block_cache_tier_file.cc:39:14: warning: Called C++ object pointer is null
Status s = env->NewRandomAccessFile(filepath, file, opt);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utilities/persistent_cache/block_cache_tier_file.cc:47:19: warning: Called C++ object pointer is null
Status status = env_->GetFileSize(Path(), size);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utilities/persistent_cache/block_cache_tier_file.cc:290:14: warning: Called C++ object pointer is null
Status s = env_->FileExists(Path());
^~~~~~~~~~~~~~~~~~~~~~~~
utilities/persistent_cache/block_cache_tier_file.cc:363:35: warning: Called C++ object pointer is null
CacheWriteBuffer* const buf = alloc_->Allocate();
^~~~~~~~~~~~~~~~~~
utilities/persistent_cache/block_cache_tier_file.cc:399:41: warning: Called C++ object pointer is null
const uint64_t file_off = buf_doff_ * alloc_->BufferSize();
^~~~~~~~~~~~~~~~~~~~
utilities/persistent_cache/block_cache_tier_file.cc:463:33: warning: Called C++ object pointer is null
size_t start_idx = lba.off_ / alloc_->BufferSize();
^~~~~~~~~~~~~~~~~~~~
utilities/persistent_cache/block_cache_tier_file.cc:515:5: warning: Called C++ object pointer is null
alloc_->Deallocate(bufs_[i]);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
7 warnings generated.
ar: creating librocksdb_debug.a
utilities/memory/memory_test.cc:68:25: warning: Called C++ object pointer is null
cache_set->insert(db->GetDBOptions().row_cache.get());
^~~~~~~~~~~~~~~~~~
1 warning generated.
The patch fixes these by adding assertions and explicitly passing in zero
when initializing VectorIterator::current_ (which preserves the existing
behavior).
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5821
Test Plan: Ran make check and make analyze to make sure the warnings have disappeared.
Differential Revision: D17455949
Pulled By: ltamasi
fbshipit-source-id: 363619618ea649a0674287f9f3b3393e390571ee
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|---|---|---|
| .. | ||
| aligned_buffer.h | ||
| autovector.h | ||
| autovector_test.cc | ||
| bloom.cc | ||
| bloom_impl.h | ||
| bloom_test.cc | ||
| build_version.cc.in | ||
| build_version.h | ||
| cast_util.h | ||
| channel.h | ||
| coding.cc | ||
| coding.h | ||
| coding_test.cc | ||
| compaction_job_stats_impl.cc | ||
| comparator.cc | ||
| compression.h | ||
| compression_context_cache.cc | ||
| compression_context_cache.h | ||
| concurrent_task_limiter_impl.cc | ||
| concurrent_task_limiter_impl.h | ||
| core_local.h | ||
| crc32c.cc | ||
| crc32c.h | ||
| crc32c_arm64.cc | ||
| crc32c_arm64.h | ||
| crc32c_ppc.c | ||
| crc32c_ppc.h | ||
| crc32c_ppc_asm.S | ||
| crc32c_ppc_constants.h | ||
| crc32c_test.cc | ||
| duplicate_detector.h | ||
| dynamic_bloom.cc | ||
| dynamic_bloom.h | ||
| dynamic_bloom_test.cc | ||
| file_reader_writer_test.cc | ||
| filelock_test.cc | ||
| filter_policy.cc | ||
| gflags_compat.h | ||
| hash.cc | ||
| hash.h | ||
| hash_map.h | ||
| hash_test.cc | ||
| heap.h | ||
| heap_test.cc | ||
| kv_map.h | ||
| log_write_bench.cc | ||
| murmurhash.cc | ||
| murmurhash.h | ||
| mutexlock.h | ||
| ppc-opcode.h | ||
| random.cc | ||
| random.h | ||
| rate_limiter.cc | ||
| rate_limiter.h | ||
| rate_limiter_test.cc | ||
| repeatable_thread.h | ||
| repeatable_thread_test.cc | ||
| set_comparator.h | ||
| slice.cc | ||
| slice_transform_test.cc | ||
| status.cc | ||
| stderr_logger.h | ||
| stop_watch.h | ||
| string_util.cc | ||
| string_util.h | ||
| thread_list_test.cc | ||
| thread_local.cc | ||
| thread_local.h | ||
| thread_local_test.cc | ||
| thread_operation.h | ||
| threadpool_imp.cc | ||
| threadpool_imp.h | ||
| timer_queue.h | ||
| timer_queue_test.cc | ||
| user_comparator_wrapper.h | ||
| util.h | ||
| vector_iterator.h | ||
| xxhash.cc | ||
| xxhash.h | ||