[SERVER-39047] Coverity analysis defect 105236: Uninitialized scalar field Created: 16/Jan/19  Updated: 29/Oct/23  Resolved: 13/Feb/19

Status: Closed
Project: Core Server
Component/s: WiredTiger
Affects Version/s: None
Fix Version/s: 4.1.9

Type: Bug Priority: Major - P3
Reporter: Coverity Collector User Assignee: Divjot Arora (Inactive)
Resolution: Fixed Votes: 0
Labels: coverity, neweng
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Operating System: ALL
Sprint: Storage NYC 2019-02-11, Storage NYC 2019-02-25
Participants:

 Description   

A scalar field is not initialized by the constructor

Defect 105236 (STATIC_C)
Checker UNINIT_CTOR (subcategory none)
File: /src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp
Function mongo::WiredTigerSessionCache::WiredTigerSessionCache(__wt_connection *, mongo::ClockSource *)
/src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.h, line: 336
Class member declaration for "_lastCommitOrAbortCounter".

        std::uint64_t _lastCommitOrAbortCounter;

/src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp, line: 241
Non-static class member "_lastCommitOrAbortCounter" is not initialized in this constructor nor in any functions that it calls.

        : _engine(NULL), _conn(conn), _clockSource(cs), _shuttingDown(0) {}



 Comments   
Comment by Githook User [ 13/Feb/19 ]

Author:

{'name': 'Divjot Arora', 'email': 'divjot.arora@10gen.com', 'username': 'divjotarora'}

Message: SERVER-39047 Initialize _lastCommitOrAbortCounter in constructors
Branch: master
https://github.com/mongodb/mongo/commit/ef21e1e71d57c362cf7cf34a21dbb4554788465c

Comment by Eric Milkie [ 16/Jan/19 ]

This appears to be due to a commit from last March, although a recent commit touched wiredtiger_session_cache.cpp and caused Coverity to report it.

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