------- Comment From boris.m...@de.ibm.com 2022-02-14 20:28 EDT------- The root-patch which has introduced the bug is from kernel 5.11. Therefore, Ubuntu 21.10 and higher need to be fixed.
The fix is already available in stable now: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/s390?h=v5.17-rc4&id=dd9cb842fa9d90653a9b48aba52f89c069f3bc50 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1960875 Title: [UBUNTU 21.10] s390/cio: verify the driver availability for path_event call Status in linux package in Ubuntu: New Bug description: Description: s390/cio: verify the driver availability for path_event call Symptom: If no driver is attached to a device or the driver does not provide the path_event function, an FCES path-event on this device could end up in a kernel-panic. Problem: There can be path-event generated for devices which are not bound to any drivers. And this is not verified before callback. Solution: Make sure the driver is available before the callback. Reproduction: - Upstream-ID: dd9cb842fa9d90653a9b48aba52f89c069f3bc50 Problem-ID: 196414 Distros: Ubuntu 21.10 and higher Preventive: yes Reported: - SupportTicket: - Reference: - Date: 2022-02-14 Author: Vineeth Vijayan <vnee...@linux.ibm.com> Component: kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1960875/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
