K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2020-12-08T18:00:58.204267Z
K 7
svn:log
V 357
Check that the frame pointer is within the current stack.

This same check is used on other architectures.  Previously this would
permit a stack frame to unwind into any arbitrary kernel address
(including unmapped addresses).

Reviewed by:	andrew, markj
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D27362

END