UBSAN warnings in radeon driver

[Karen Webb]

Getting a bunch of Undefined Behaviour in the radeon kernel modules. This seems to be related to my issue where sleeping or vterm switching can randomly corrupt the framebuffer or crash the machine.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-modules-extra-6.8.0-35-generic 6.8.0-35.35
ProcVersionSignature: Ubuntu 6.8.0-35.35-generic 6.8.4
Uname: Linux 6.8.0-35-generic x86_64
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/seq: karenw 1682 F.... pipewire
 /dev/snd/controlC0: karenw 1684 F.... wireplumber
 /dev/snd/controlC1: karenw 1684 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Mon Jun 10 21:50:30 2024
Dependencies:
 linux-modules-6.8.0-35-generic 6.8.0-35.35
 wireless-regdb 2022.06.06-0ubuntu2
InstallationDate: Installed on 2024-05-08 (34 days ago)
InstallationMedia: Kubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240425.1)
MachineType: Hewlett-Packard HP Pavilion 15 Notebook PC
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-35-generic root=UUID=56a5575f-b88e-4e9b-ae89-4877af1db04a ro quiet cryptdevice=UUID=a8eb6cd8-b223-428b-8403-6dd13d388d42:luks-a8eb6cd8-b223-428b-8403-6dd13d388d42 root=/dev/mapper/luks-a8eb6cd8-b223-428b-8403-6dd13d388d42 splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-6.8.0-35-generic N/A
 linux-backports-modules-6.8.0-35-generic N/A
 linux-firmware 20240318.git3b128b60-0ubuntu2
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/13/2014
dmi.bios.release: 15.22
dmi.bios.vendor: Insyde
dmi.bios.version: F.16
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 216C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 30.25
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.ec.firmware.release: 30.37
dmi.modalias: dmi:bvnInsyde:bvrF.16:bd11/13/2014:br15.22:efr30.37:svnHewlett-Packard:pnHPPavilion15NotebookPC:pvr0976110000405E00000620180:rvnHewlett-Packard:rn216C:rvr30.25:cvnHewlett-Packard:ct10:cvrChassisVersion:skuF9E43EA#ABU:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=PAV
dmi.product.name: HP Pavilion 15 Notebook PC
dmi.product.sku: F9E43EA#ABU
dmi.product.version: 0976110000405E00000620180
dmi.sys.vendor: Hewlett-Packard