Loading...

XML

Word

Printable

JSON

Type: Bug
Resolution: Done
Priority: Critical - P2
Fix Version/s: None
Affects Version/s: 2.2.0
Component/s: Internal Client
Labels:
None
Environment:
gcc 4.4.5, boost 1.42, debian 6 64bits

Operating System:
ALL
Steps To Reproduce:

Hide

All details and a simple minimalist program to exhibit the problem can be found here:
http://stackoverflow.com/questions/14186246/valgrind-reports-uninitialised-value-in-bsonobjtostring-with-a-simple-bson-obj

Try using a "sizeof" operator on the union types to see the alignment problem.

Show
All details and a simple minimalist program to exhibit the problem can be found here: http://stackoverflow.com/questions/14186246/valgrind-reports-uninitialised-value-in-bsonobjtostring-with-a-simple-bson-obj Try using a "sizeof" operator on the union types to see the alignment problem.
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

The union used in the definition of the OID object (oid.h) is not properly aligned and leads to "uninitialized value" in valgrind and not expected behavior. This is critical because mongodb C++ driver OID data is broken.

More on data alignment here: http://en.wikipedia.org/wiki/Data_structure_alignment

Assignee:: Unassigned
Reporter:: Eric Nashil
Participants:: Eliot Horowitz, Eric Nashil
Votes:: 0 Vote for this issue
Watchers:: 6 Start watching this issue

Created:: Jan 07 2013 07:08:54 AM UTC
Updated:: Feb 15 2013 03:06:41 PM UTC
Resolved:: Jan 08 2013 07:19:12 AM UTC

Details

Description

Attachments

Activity

People

Dates