** Changed in: linux (Ubuntu Focal)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Jammy)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Mantic)
Status: Confirmed => Fix Committed
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https://bugs.launchpad.net/bugs/2058477
Title:
[Ubuntu 22.04.4/linux-image-6.5.0-26-generic] Kernel output "UBSAN:
array-index-out-of-bounds in /build/linux-hwe-6.5-34pCLi/linux-
hwe-6.5-6.5.0/drivers/net/hyperv/netvsc.c:1445:41" multiple times,
especially during boot.
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Focal:
Fix Committed
Status in linux source package in Jammy:
Fix Committed
Status in linux source package in Mantic:
Fix Committed
Bug description:
Overview:
A newly installed Ubuntu Server 22.04.4 on a Hyper-V virtual machine
outputs error message "UBSAN: array-index-out-of-bounds in
/build/linux-hwe-6.5-34pCLi/linux-
hwe-6.5-6.5.0/drivers/net/hyperv/netvsc.c:1446:41" multiple times,
especially during boot.
Reproducing steps:
1. Download ubuntu-22.04.4-live-server-amd64.iso
2. Create a Hyper-V virtual machine.
3. Install Ubuntu 22.04.4 Server on the VM with the downloaded iso normally.
4. Boot the machine.
Additional Information:
- Host machine: Windows 10 Pro 22H2 OS Build 19045.3758
- Hyper-V configuration version: 9.0
- The error message "UBSAN: array-index-out-of-bounds" is similar to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2008157, but the drivers
are different.
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