This one is fixed in 5.4.0-14. It's the pty03 LTP that is fixed by upstream commit 0ace17d56824 (can, slip: Protect tty->disc_data in write_wakeup and close with RCU).
** Changed in: linux (Ubuntu) Status: New => 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/1866910 Title: [Ubu 20.04][5.4.0-12-generic] Observed Kernel OOPS while running LTP Test in Regression_Bucket To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1866910/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs