This bug was fixed in the package linux-oem-6.1 - 6.1.0-1024.24
---------------
linux-oem-6.1 (6.1.0-1024.24) jammy; urgency=medium
* jammy/linux-oem-6.1: 6.1.0-1024.24 -proposed tracker (LP: #2038210)
* Packaging resync (LP: #1786013)
- [Packaging] update annotations scripts
- [Packaging] resync getabis
- [Packaging] update helper scripts
* CVE-2023-42756
- netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
* CVE-2023-4244
- netfilter: nf_tables: don't skip expired elements during walk
- netfilter: nf_tables: GC transaction API to avoid race with control plane
- netfilter: nf_tables: adapt set backend to use GC transaction API
- netfilter: nft_set_hash: mark set element as dead when deleting from
packet
path
- netfilter: nf_tables: remove busy mark and gc batch API
- netfilter: nf_tables: don't fail inserts if duplicate has expired
- netfilter: nf_tables: fix kdoc warnings after gc rework
- netfilter: nf_tables: fix GC transaction races with netns and netlink
event
exit path
- netfilter: nf_tables: GC transaction race with netns dismantle
- netfilter: nf_tables: GC transaction race with abort path
- netfilter: nf_tables: use correct lock to protect gc_list
- netfilter: nf_tables: defer gc run if previous batch is still pending
* CVE-2023-42752
- net: remove osize variable in __alloc_skb()
- net: factorize code in kmalloc_reserve()
- net: deal with integer overflows in kmalloc_reserve()
* CVE-2023-42572
- net: add SKB_HEAD_ALIGN() helper
* CVE-2023-5197
- netfilter: nf_tables: disallow rule removal from chain binding
* CVE-2023-42755
- net/sched: Retire rsvp classifier
- [Config] remove NET_CLS_RSVP and NET_CLS_RSVP6
* CVE-2023-4881
- netfilter: nftables: exthdr: fix 4-byte stack OOB write
* Fix ADL: System enabled AHCI can't get into s0ix when attached ODD
(LP: #2037493)
- SAUCE: ata: ahci: Add Intel Alder Lake-P AHCI controller to low power
chipsets list
* Fix unstable audio at low levels on Thinkpad P1G4 (LP: #2037077)
- ALSA: hda/realtek - ALC287 I2S speaker platform support
* Infinite systemd loop when power off the machine with multiple MD RAIDs
(LP: #2036184)
- SAUCE: md: do not _put wrong device in md_seq_next
* Fix RCU warning on AMD laptops (LP: #2036377)
- power: supply: core: Use blocking_notifier_call_chain to avoid RCU
complaint
-- Timo Aaltonen <timo.aalto...@canonical.com> Tue, 03 Oct 2023
18:13:17 +0300
** Changed in: linux-oem-6.1 (Ubuntu Jammy)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-4244
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-42572
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-42752
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-42755
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-42756
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-4881
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-5197
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https://bugs.launchpad.net/bugs/2036377
Title:
Fix RCU warning on AMD laptops
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem-6.1 package in Ubuntu:
Invalid
Status in linux-oem-6.5 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Won't Fix
Status in linux-oem-6.1 source package in Jammy:
Fix Released
Status in linux-oem-6.5 source package in Jammy:
Fix Committed
Status in linux source package in Lunar:
Fix Committed
Status in linux-oem-6.1 source package in Lunar:
Invalid
Status in linux-oem-6.5 source package in Lunar:
Invalid
Status in linux source package in Mantic:
Fix Committed
Status in linux-oem-6.1 source package in Mantic:
Invalid
Status in linux-oem-6.5 source package in Mantic:
Invalid
Bug description:
[Impact]
Scary kernel splat about RCU can be observed everytime laptop resumes
from suspend.
[Fix]
Use non-atomic notifier for power supply change to relax the constraint.
[Test]
Once the fix is applied, no more RCU warning can be found after several
suspend/resume cycle.
[Where problems could occur]
Essentially no regression potential. Atomic notifier should be used by
core kernel, and things like power supply doesn't need to be atomic
anyway.
To manage notifications about this bug go to:
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