[Bug 2042929] [NEW] kernel ring buffer prints UBSAN: array-index-out-of-bounds

[philippe guihard]

Public bug reported:

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 at 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)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade mantic

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https://bugs.launchpad.net/bugs/2042929

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

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  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 at 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)

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