Public bug reported:
The bug is intermittent and happens during shutdown process, prevents computer
from shutting down.
May be reproducible more often on certain hardware and certain kernel versions.
Reproduction steps:
1) start a wireguard connection,
2) proceed with shutting down the computer,
3) observe parts of the memory traces on the screen,
4) shutdown process is interrupted.
Expected behavior:
Normal shutdown without errors and interruptions.
See also attached dmesg.txt file containing the kernel log.
$ uname -a
Linux elnath 6.11.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Mon Oct 14 13:19:59
UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -cr
Release: 24.10
Codename: oracular
Previous release 24.04LTS Noble is also affected. In fact the issue can
be observed even more often.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: kernel-bug wireguard
** Attachment added: "Kernel log taken from previous session"
https://bugs.launchpad.net/bugs/2086818/+attachment/5835134/+files/dmesg.txt
** Description changed:
The bug is intermittent and happens during shutdown process, prevents
computer from shutting down.
May be reproducible more often on certain hardware and certain kernel
versions.
Reproduction steps:
- 1) proceed with shutting down the computer
- 2) observe parts of the memory traces on the screen
- 3) shutdown process is interrupted.
+ 1) start a wireguard connection,
+ 2) proceed with shutting down the computer,
+ 3) observe parts of the memory traces on the screen,
+ 4) shutdown process is interrupted.
Expected behavior:
Normal shutdown without errors and interruptions.
See also attached dmesg.txt file containing the kernel log.
$ uname -a
Linux elnath 6.11.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Mon Oct 14
13:19:59 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
-
$ lsb_release -cr
Release: 24.10
Codename: oracular
-
- Previous release 24.04LTS Noble is also affected. In fact the issue can be
observer even more often.
+ Previous release 24.04LTS Noble is also affected. In fact the issue can
+ be observer even more often.
** Description changed:
The bug is intermittent and happens during shutdown process, prevents
computer from shutting down.
May be reproducible more often on certain hardware and certain kernel
versions.
Reproduction steps:
1) start a wireguard connection,
2) proceed with shutting down the computer,
3) observe parts of the memory traces on the screen,
4) shutdown process is interrupted.
Expected behavior:
Normal shutdown without errors and interruptions.
See also attached dmesg.txt file containing the kernel log.
$ uname -a
Linux elnath 6.11.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Mon Oct 14
13:19:59 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -cr
Release: 24.10
Codename: oracular
Previous release 24.04LTS Noble is also affected. In fact the issue can
- be observer even more often.
+ be observed even more often.
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2086818
Title:
Null pointer dereference in wireguard module during shutdown
Status in linux package in Ubuntu:
New
Bug description:
The bug is intermittent and happens during shutdown process, prevents
computer from shutting down.
May be reproducible more often on certain hardware and certain kernel
versions.
Reproduction steps:
1) start a wireguard connection,
2) proceed with shutting down the computer,
3) observe parts of the memory traces on the screen,
4) shutdown process is interrupted.
Expected behavior:
Normal shutdown without errors and interruptions.
See also attached dmesg.txt file containing the kernel log.
$ uname -a
Linux elnath 6.11.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Mon Oct 14
13:19:59 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -cr
Release: 24.10
Codename: oracular
Previous release 24.04LTS Noble is also affected. In fact the issue
can be observed even more often.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2086818/+subscriptions
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