[Impact]
error message "UBSAN: array-index-out-of-bounds in
drivers/net/hyperv/netvsc.c:1446:41" appears
multiple times during boot for a Hyper-V environment.
[Fix]
Clean cherry-pick commit bb9b0e46b84 for Focal, Jammy and Mantic.
[Test case]
check the dmesg to see if there is the error message "UBSAN:
array-index-out-of-bounds"
[Regression Potential]
DPDK which processes netvsc packets, so it might incompatible with ancient
DPDK, but modern DPDK
had already used flexible array member.
** Also affects: linux (Ubuntu Mantic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
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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.
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