Seeing an index-out-of-bounds exception in the same file on the same line on 
Ubuntu 20.04 (5.15.0-89-generic):
UBSAN: array-index-out-of-bounds in 
/build/linux-hwe-5.15-QQdkfv/linux-hwe-5.15-5.15.0/debian/build/build-generic/__________________dkms/build/backport-iwlwifi/9858/build/drivers/net/wireless/intel/iwlwifi/queue/tx.c:1556:39

Followed by a lockup:
watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [irq/167-iwlwifi:1465]

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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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