Description: tracing: do not leak kernel addresses
References:
 https://lore.kernel.org/lkml/20180725202238.165314-1-salyzyn@android.com/
Notes:
 carnil> initial proposed patch got a NACK from Steven Rostedt
 carnil> https://lore.kernel.org/lkml/20180725210717.3b807191@vmware.local.home/
Bugs:
upstream: needed
6.1-upstream-stable: needed
5.10-upstream-stable: needed
4.19-upstream-stable: needed
4.9-upstream-stable: ignored "EOL"
3.16-upstream-stable: ignored "EOL"
sid: needed
6.1-bookworm-security: needed
5.10-bullseye-security: needed
4.19-buster-security: needed
4.9-stretch-security: ignored "EOL"
3.16-jessie-security: ignored "EOL"