It should be caused by a stable kernel backport:
Author: Ping Cheng <[email protected]>
Date: Wed Dec 9 20:52:30 2020 -0800
HID: wacom: Fix memory leakage caused by kfifo_alloc
BugLink: https://bugs.launchpad.net/bugs/1915473
commit 37309f47e2f5674f3e86cb765312ace42cfcedf5 upstream.
It should be fixed by:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=179e8e47c02a1950f1c556f2b854bdb2259078fb
Could you try build a kernel to double confirm?
If so I can backport it to 5.8 ubuntu kernel.
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https://bugs.launchpad.net/bugs/1920785
Title:
Kernel update from 5.8.0-44 to 5.8.0-45 critically breaks wacom /
stylus on ThinkPad X1 Yoga
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