kernel ring buffer prints UBSAN: array-index-out-of-bounds

[philippe guihard]

Context:
--------
$ lsb_release -a 2>/dev/null
Distributor ID: Ubuntu
Description: Ubuntu 23.10
Release: 23.10
Codename: mantic

$ uname -rm
6.5.0-10-generic x86_64

$ lshw -short 2>/dev/null | grep display
/0/100/1/0 /dev/fb0 display Venus XT [Radeon HD 8870M / R9 M270X/M370X]

Errors:
-------
fifix@fifix-Precision-M4800:~$ sudo dmesg | grep UBSAN
[ 0.809092] UBSAN: array-index-out-of-bounds in /build/linux-UiLXaH/linux-6.5.0/drivers/gpu/drm/radeon/radeon_atombios.c:2717:34
[ 0.809863] UBSAN: array-index-out-of-bounds in /build/linux-UiLXaH/linux-6.5.0/drivers/gpu/drm/radeon/radeon_atombios.c:2715:55
[ 0.810629] UBSAN: array-index-out-of-bounds in /build/linux-UiLXaH/linux-6.5.0/drivers/gpu/drm/radeon/radeon_atombios.c:2705:39
[ 0.811416] UBSAN: array-index-out-of-bounds in /build/linux-UiLXaH/linux-6.5.0/drivers/gpu/drm/radeon/si_dpm.c:6831:39
[ 0.812119] UBSAN: array-index-out-of-bounds in /build/linux-UiLXaH/linux-6.5.0/drivers/gpu/drm/radeon/si_dpm.c:6868:32
[ 49.054671] UBSAN: array-index-out-of-bounds in /build/linux-UiLXaH/linux-6.5.0/include/linux/ieee80211.h:4304:28

ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: ubuntu-release-upgrader-core 1:23.10.10
ProcVersionSignature: Ubuntu 6.5.0-10.10-generic 6.5.3
Uname: Linux 6.5.0-10-generic x86_64
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Tue Nov 7 12:15:43 2023
InstallationDate: Installed on 2023-11-04 (3 days ago)
InstallationMedia: Kubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010)
PackageArchitecture: all
ProcEnviron:
 LANG=fr_FR.UTF-8
 LANGUAGE=
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)