Wind River Support Network


LIN8-2576 : Backport malloc glibc fixes to WRL6/8'

Created: Jan 26, 2016    Updated: Dec 3, 2018
Resolved Date: Feb 22, 2016
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Toolchain


* A defect in the malloc implementation, present since glibc 2.15 (2012) or 
glibc 2.10 via --enable-experimental-malloc (2009), could result in the 
unnecessary serialization of memory allocation requests across threads. 
The defect is now corrected. Users should see a substantial increase in 
the concurent throughput of allocation requests for applications which 
trigger this bug. Affected applications typically create create and 
destroy threads frequently. (Bug 19048 was reported and analyzed by 

It seems that we'd need at least two bug fixes from 2.23 to backport this to 2.22: 
Backported in Fedora-23: 


Apply the attached patch to oe-core layer.

Other Downloads

Live chat