*** This bug is a duplicate of bug 2039368 ***
https://bugs.launchpad.net/bugs/2039368
** This bug has been marked a duplicate of bug 2039368
UBSAN: array-index-out-of-bounds in
/build/linux-D15vQj/linux-6.5.0/drivers/md/bcache/bset.c:1098:3
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https://bugs.launchpad.net/bugs/2039324
Title:
bcache UBSAN log spam
Status in linux-signed-lowlatency package in Ubuntu:
New
Bug description:
The new 6.5 kernel in mantic causes a large amount of UBSAN warnings
at boot when using bcache (see attached dmesg log, truncated after
last error). The volume still mounts fine and I haven't observed any
data corruption.
There seems to have been some discussion about this on the LKML
(although it was in reference to bcachefs but this seems to be coming
out of the shared common code between that and bcache):
https://lore.kernel.org/all/20230910015343.jmj4v2arenuxd...@moria.home.lan/T/
ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: linux-image-6.5.0-9-lowlatency 6.5.0-9.9.1
ProcVersionSignature: Ubuntu 6.5.0-9.9.1-lowlatency 6.5.3
Uname: Linux 6.5.0-9-lowlatency x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 13 17:40:55 2023
InstallationDate: Installed on 2018-08-03 (1897 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: linux-signed-lowlatency
UpgradeStatus: Upgraded to mantic on 2023-10-13 (1 days ago)
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