[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
This bug should be fixed in Ubuntu-5.4.0-80.90 by: Author: Anna Schumaker Date: Wed May 19 12:54:51 2021 -0400 NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return() ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Focal) Importance: Undecided => High ** Changed in: linux (Ubuntu Focal) Status: New => Fix Released ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
The security fixed Kernel # cat /proc/version_signature Ubuntu 5.4.0-80.90-generic 5.4.124 from focal-security also fixes the problem. Greetings, Lars -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
Hello Kleber, thank you very much for your fast reply! I can confirm that Kernel: # cat /proc/version_signature Ubuntu 5.4.0-79.88-generic 5.4.124 fixes my Problem. We can close this bug. Greetings, Lars -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
Hello Lars, Thank you for reporting the issue. We have a 20.04 kernel update in focal-proposed (version 5.4.0-79.88) which has the following patch applied which might fix this problem: NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return() Could you please try running this kernel version and check whether the bug is really fixed? Please see https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
Upgraded to 20.10 running 5.8.0-1030-kvm and everything is fine again too. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1936673] Re: BUG: kernel NULL pointer dereference, address: 0000000000000000
BTW, booting back into 5.4.0-74.83-generic and everything works fine again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936673 Title: BUG: kernel NULL pointer dereference, address: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1936673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
