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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/2037762

Title:
  UBSAN: array-index-out-of-bounds in /build/linux-
  IPoq5q/linux-6.5.0/drivers/gpu/drm/radeon/radeon_atombios.c:2620:43

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  After upgrading to Mantic with linux 6.5 an error appears in dmesg:

  [   10.281317] 
================================================================================
  [   10.281323] fbcon: Taking over console
  [   10.281327] UBSAN: array-index-out-of-bounds in 
/build/linux-IPoq5q/linux-6.5.0/drivers/gpu/drm/radeon/radeon_atombios.c:2620:43
  [   10.281334] index 1 is out of range for type 'UCHAR [1]'
  [   10.281338] CPU: 2 PID: 321 Comm: (udev-worker) Not tainted 
6.5.0-5-generic #5-Ubuntu
  [   10.281341] Hardware name: System manufacturer System Product Name/P5Q3, 
BIOS 1102    06/11/2010
  [   10.281342] Call Trace:
  [   10.281345]  <TASK>
  [   10.281349]  dump_stack_lvl+0x48/0x70
  [   10.281359]  dump_stack+0x10/0x20
  [   10.281362]  __ubsan_handle_out_of_bounds+0xc6/0x110
  [   10.281366]  radeon_atombios_parse_power_table_4_5+0x3c9/0x3f0 [radeon]
  [   10.281506]  radeon_atombios_get_power_modes+0x205/0x210 [radeon]
  [   10.281596]  radeon_pm_init_dpm+0x8e/0x2f0 [radeon]
  [   10.281709]  radeon_pm_init+0xd0/0x100 [radeon]
  [   10.281821]  rv770_init+0x1fa/0x3d0 [radeon]
  [   10.281933]  radeon_device_init+0x540/0xa90 [radeon]
  [   10.282021]  radeon_driver_load_kms+0xcc/0x2f0 [radeon]
  [   10.282111]  drm_dev_register+0x10e/0x240 [drm]
  [   10.282194]  radeon_pci_probe+0xec/0x180 [radeon]
  [   10.282280]  local_pci_probe+0x47/0xb0
  [   10.282285]  pci_call_probe+0x55/0x190
  [   10.282289]  pci_device_probe+0x84/0x120
  [   10.282293]  really_probe+0x1c7/0x410
  [   10.282297]  __driver_probe_device+0x8c/0x180
  [   10.282300]  driver_probe_device+0x24/0xd0
  [   10.282303]  __driver_attach+0x10b/0x210
  [   10.282306]  ? __pfx___driver_attach+0x10/0x10
  [   10.282309]  bus_for_each_dev+0x8d/0xf0
  [   10.282316]  driver_attach+0x1e/0x30
  [   10.282319]  bus_add_driver+0x127/0x240
  [   10.282327]  driver_register+0x5e/0x130
  [   10.282330]  ? __pfx_radeon_module_init+0x10/0x10 [radeon]
  [   10.282416]  __pci_register_driver+0x62/0x70
  [   10.282419]  radeon_module_init+0x4c/0xff0 [radeon]
  [   10.282504]  do_one_initcall+0x5e/0x340
  [   10.282510]  do_init_module+0x68/0x260
  [   10.282514]  load_module+0xba1/0xcf0
  [   10.282518]  ? vfree+0xff/0x2d0
  [   10.282522]  init_module_from_file+0x96/0x100
  [   10.282526]  ? init_module_from_file+0x96/0x100
  [   10.282530]  idempotent_init_module+0x11c/0x2b0
  [   10.282534]  __x64_sys_finit_module+0x64/0xd0
  [   10.282537]  do_syscall_64+0x5c/0x90
  [   10.282542]  ? syscall_exit_to_user_mode+0x37/0x60
  [   10.282545]  ? do_syscall_64+0x68/0x90
  [   10.282549]  ? do_syscall_64+0x68/0x90
  [   10.282552]  ? do_syscall_64+0x68/0x90
  [   10.282555]  ? do_syscall_64+0x68/0x90
  [   10.282558]  ? sysvec_call_function+0x4b/0xd0
  [   10.282567]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
  [   10.282574] RIP: 0033:0x7f94cb925c5d
  [   10.282591] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 
f0 ff ff 73 01 c3 48 8b 0d 8b 71 13 00 f7 d8 64 89 01 48
  [   10.282594] RSP: 002b:00007ffcffbfa7b8 EFLAGS: 00000246 ORIG_RAX: 
0000000000000139
  [   10.282597] RAX: ffffffffffffffda RBX: 000055b39a100500 RCX: 
00007f94cb925c5d
  [   10.282599] RDX: 0000000000000004 RSI: 00007f94cbb3c44a RDI: 
0000000000000017
  [   10.282601] RBP: 00007f94cbb3c44a R08: 0000000000000040 R09: 
fffffffffffffde0
  [   10.282602] R10: fffffffffffffe18 R11: 0000000000000246 R12: 
0000000000020000
  [   10.282604] R13: 000055b39a103ba0 R14: 0000000000000000 R15: 
000055b39a0fe210
  [   10.282607]  </TASK>
  [   10.282611] 
================================================================================

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: linux-image-6.5.0-5-generic 6.5.0-5.5
  ProcVersionSignature: Ubuntu 6.5.0-5.5-generic 6.5.0
  Uname: Linux 6.5.0-5-generic x86_64
  ApportVersion: 2.27.0-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  eugene     1346 F.... wireplumber
   /dev/snd/controlC1:  eugene     1346 F.... wireplumber
   /dev/snd/seq:        eugene     1345 F.... pipewire
  CRDA: N/A
  CasperMD5CheckResult: unknown
  CurrentDesktop: KDE
  Date: Sat Sep 30 00:12:30 2023
  HibernationDevice: RESUME=UUID=7e115b53-56a4-444f-bd93-6ad4f15c4a61
  InstallationDate: Installed on 2019-04-13 (1630 days ago)
  InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.1)
  IwConfig:
   lo        no wireless extensions.

   enp2s0    no wireless extensions.

   virbr0    no wireless extensions.
  MachineType: {report['dmi.sys.vendor']} {report['dmi.product.name']}
  ProcEnviron:
   LANG=uk_UA.UTF-8
   LANGUAGE=
   PATH=(custom, no user)
   SHELL=/bin/bash
   XDG_RUNTIME_DIR=<set>
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-6.5.0-5-generic 
root=UUID=d87288b4-dbdd-4448-8088-4ebb6ed6cf33 ro rootflags=subvol=@ quiet 
splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-6.5.0-5-generic N/A
   linux-backports-modules-6.5.0-5-generic  N/A
   linux-firmware                           20230919.git3672ccab-0ubuntu2
  RfKill:

  SourcePackage: linux
  UpgradeStatus: Upgraded to mantic on 2023-09-27 (2 days ago)
  dmi.bios.date: 06/11/2010
  dmi.bios.release: 11.2
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1102
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5Q3
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1102:bd06/11/2010:br11.2:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q3:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:skuToBeFilledByO.E.M.:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: To Be Filled By O.E.M.
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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