I have a similar crash with Ubuntu 22.04, running
`vmlinuz-6.1.0-1024-oem` (from pkg `linux-oem-22.04d`).
Oct 25 14:11:46 mandeep-pf3xfcj3 kernel: UBSAN: array-index-out-of-bounds in
/build/linux-oem-6.1-CvRDkF/linux-oem-6.1-6.1.0/drivers/net/wireless/intel/iwlwifi/queue/tx.c:1556:39
Oct 25 14:11:46 mandeep-pf3xfcj3 kernel: index 512 is out of range for type
'iwl_txq *[512]'
...
<stack trace>
...
Oct 25 14:12:10 mandeep-pf3xfcj3 kernel: rcu: INFO: rcu_preempt detected
expedited stalls on CPUs/tasks: { 7-.... } 5346 jiffies s: 781 root: 0x80/.
Oct 25 14:12:10 mandeep-pf3xfcj3 kernel: rcu: blocking rcu_node structures
(internal RCU debug):
...
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-signed-hwe-6.2 in Ubuntu.
https://bugs.launchpad.net/bugs/2039409
Title:
System freezes with UBSAN: array-index-out-of-bounds in iwlwifi code
Status in linux-signed-hwe-6.2 package in Ubuntu:
Confirmed
Bug description:
System consistently freezes requiring hard reset every few hours.
Syslog gives this message at the time of the crash:
UBSAN: array-index-out-of-bounds in /build/linux-hwe-6.2-d7iZ5S/linux-
hwe-6.2-6.2.0/drivers/net/wireless/intel/iwlwifi/queue/tx.c:1556:39
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.2.0-34-generic 6.2.0-34.34~22.04.1
ProcVersionSignature: Ubuntu 6.2.0-34.34~22.04.1-generic 6.2.16
Uname: Linux 6.2.0-34-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sun Oct 15 21:38:57 2023
InstallationDate: Installed on 2021-05-15 (883 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
SourcePackage: linux-signed-hwe-6.2
UpgradeStatus: Upgraded to jammy on 2022-11-28 (322 days ago)
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