This is a note to let you know that I've just added the patch titled cifs: verify that tcon is valid before dereference in cifs_kill_sb to the 5.17-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: cifs-verify-that-tcon-is-valid-before-dereference-in-cifs_kill_sb.patch and it can be found in the queue-5.17 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.