This bug was fixed in the package linux - 4.15.0-74.84
---
linux (4.15.0-74.84) bionic; urgency=medium
* bionic/linux: 4.15.0-74.84 -proposed tracker (LP: #1856749)
* [Hyper-V] KVP daemon fails to start on first boot of disco VM (LP: #1820063)
- [Packaging] bind
This bug was fixed in the package linux - 5.0.0-38.41
---
linux (5.0.0-38.41) disco; urgency=medium
* disco/linux: 5.0.0-38.41 -proposed tracker (LP: #1854788)
* [Regression] Failed to boot disco kernel built from master-next (kernel
kernel NULL pointer dereference) (LP:
This bug was fixed in the package linux - 5.3.0-26.28
---
linux (5.3.0-26.28) eoan; urgency=medium
* eoan/linux: 5.3.0-26.28 -proposed tracker (LP: #1856807)
* nvidia-435 is in eoan, linux-restricted-modules only builds against 430,
ubiquity gives me the self-signed modules
Added 'verification-done-disco' based on Stefan's latest comment
** Tags removed: verification-needed-disco
** Tags added: verification-done-disco
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** Tags removed: verification-needed-eoan
** Tags added: verification-done-eoan
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https://bugs.launchpad.net/bugs/1853197
Title:
Memory leak in net/xfrm/xfrm_state.c - 8 pages per ipsec
Tested 5.3.0-25-generic on Eoan and it fixes the memory leak there as
well.
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https://bugs.launchpad.net/bugs/1853197
Title:
Memory leak in net/xfrm/xfrm_state.c - 8 pages per ipsec
If there is an easy way to get those releases set up and tested, it
helps to helps to build confidence. In this case I think the chances a
not that high, that the change has a different effect in different
kernel versions. But if someone either already is on Eoan/5.3 or has
time to double check,
Does it help when we test disco and eoan as well? The test case is very
easy and those kernels are affected as well.
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https://bugs.launchpad.net/bugs/1853197
Title:
Memory leak in
** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => Fix Committed
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Tested 4.15 bionic with original use case. Memory leak is resolved.
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https://bugs.launchpad.net/bugs/1853197
Title:
Memory leak in net/xfrm/xfrm_state.c - 8 pages per ipsec connection
it is running for five days and memory consumption looks normal (not
leaking)
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Confirmed
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
eoan' to 'verification-done-eoan'. If the problem still exists, change
the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
disco' to 'verification-done-disco'. If the problem still exists, change
the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => Fix Committed
** Changed in: linux (Ubuntu Disco)
Status: Triaged => Fix Committed
** Changed in: linux (Ubuntu Eoan)
Status: Triaged => Fix Committed
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** Description changed:
+ [SRU Justification]
+
+ == Impact ==
+
+ An upstream change in v4.11 made xfrm loose memory (8 pages per ipsec
connection). This was fixed in v5.4 by:
+ commit 86c6739eda7d "xfrm: Fix memleak on xfrm state destroy"
+
+ == Fix ==
+
+ Pick the upstream fix into all
Setting this to invalid for Focal. The fix is in upstream v5.4 and we
will move to that version soon.
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu
That fix is in the master branch - can it be backported?
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https://bugs.launchpad.net/bugs/1853197
Title:
Memory leak in net/xfrm/xfrm_state.c - 8 pages per ipsec connection
To manage
commit 86c6739eda7d2a03f2db30cbee67a5fb81afa8ba
Author: Steffen Klassert
Date: Wed Nov 6 08:13:49 2019 +0100
xfrm: Fix memleak on xfrm state destroy
We leak the page that we use to create skb page fragments
when destroying the xfrm_state. Fix this by dropping a
page
** Description changed:
Ubuntu linux distro, 4.15.0-62 kernel, server platform.
This OS is used as an IPSec VPN gateway. It serves up to several hundred
concurrent connections
In an attempt to upgrade from the 4.4 kernel to 4.15, the team noticed
that VPN gateway VMs were running out
All VPN servers have been rolled back to 4.4
Additional log collection is not possible.
Setting status to confirmed.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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