[SERVER-24590] Coverity analysis defect 99631: Unsafe assignment operator Created: 15/Jun/16  Updated: 14/Jul/16  Resolved: 15/Jun/16

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 3.3.9

Type: Bug Priority: Major - P3
Reporter: Coverity Collector User Assignee: Kaloian Manassiev
Resolution: Done Votes: 0
Labels: coverity
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Operating System: ALL
Sprint: Sharding 16 (06/24/16)
Participants:

 Description   

Assignment operator does not check for self-assignment

Defect 99631 (STATIC_C)
Checker SELF_ASSIGN (subcategory none)
File: /src/mongo/db/s/active_migrations_registry.cpp
Function mongo::ScopedRegisterMigration::operator =(mongo::ScopedRegisterMigration&&)
/src/mongo/db/s/active_migrations_registry.cpp, line: 98
No protection against the object assigning to itself.

        _registry = other._registry;



 Comments   
Comment by Githook User [ 15/Jun/16 ]

Author:

{u'username': u'kaloianm', u'name': u'Kaloian Manassiev', u'email': u'kaloian.manassiev@mongodb.com'}

Message: SERVER-24590 Protect ScopedRegisterMigration against self-assignment
Branch: master
https://github.com/mongodb/mongo/commit/ed7456f206541a6ce5f8184c2cfe4418a568396d

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