bugThe FreeType Project - Bugs: bug #12213, Incorrect cache subsystem...

 
 

bug #12213: Incorrect cache subsystem behaviour in low-memory conditions

Submitted by:  David Turner <freetype>
Submitted on:  Fri 04 Mar 2005 03:50:42 PM UTC  
 
Severity: 4 - ImportantItem Group: Incorrect behaviour
Status: FixedPrivacy: Public
Assigned to: David Turner <freetype>Open/Closed: Closed
Planned Release: None

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Fri 04 Mar 2005 03:50:42 PM UTC, original submission:

this bug was discovered by Ken Hancock. Here's a copy of its post on the FreeType development mailing list:

"""
I've recently been doing some testing with FreeType2 and the caching
mechanism in low-memory conditions (simulated by changing FTAlloc to
allocate out of a small heap). There's a problem in ftc_snode_compare:

ftc_snode_compare calls ftc_snode_load which can fail in low-memory
conditions -- there no code in this routine to flush nodes from the cache to
make room. As a result FTC_SBitCache_Lookup returns a bitmap without a
valid data buffer.
"""

David Turner <freetype>
Project AdministratorIn charge of this item.

 

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Follow 2 latest changes.

Date Changed By Updated Field Previous Value => Replaced By
Mon 23 May 2005 01:06:27 PM UTCfreetypeStatusNone=>Fixed
  Open/ClosedOpen=>Closed

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