K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2022-09-14T17:29:45.010311Z
K 7
svn:log
V 494
CTL: Validate IOCTL parameters.

It was possible to cause kernel panic by passing too large args_len
or non-NULL result_nvl.

Though since the /dev/cam/ctl device is accessible only by root and
used only by limited number of tools it was not a big problem.

PR:	266115
PR:	266136
Reported by:	Robert Morris <rtm@lcs.mit.edu>
MFC after:	1 week

(cherry picked from commit 0586be48a97c5af50ba4f578d33211f81cc57016)

Git Hash:   ce1895b7248d5601b34d0d6492539a7081a8d451
Git Author: mav@FreeBSD.org
END