[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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2058477/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs