[CentOS-devel] Backport of xfrm kernel bugfix

Pat Riehecky

riehecky at fnal.gov
Thu Dec 12 20:22:07 UTC 2019

Can you open a ticket at https://bugs.centos.org/main_page.php ?

On 12/12/19 2:03 PM, Matt Dees wrote:
> Hi All!
> We have been dealing with a memory leak in the kernel for IKEv2 and 
> IPSec connections relating to a memory leak in xfrm support on both 
> el8 and el7. The symptom of this issue is that memory will continue 
> allocating in slab over time making a box oom after too many connections.
> As per some external discussions I am sending the patch + bug report 
> on to this list. It has already been accepted into upstream kernels 
> (4.19 included) and is a pretty straight forward backport. I have 
> tested and installed this on a few centos8 systems to validate that 
> this does indeed solve the memory leak issue.
> rbz# 1780470
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Pat Riehecky

Fermi National Accelerator Laboratory

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