Brooks Davis 871dc9833b Reject CAMIOGET and CAMIOQUEUE ioctl's on pass(4) in 32-bit compat mode.
These take a union ccb argument which is full of kernel pointers.
Substantial translation efforts would be required to make this work.
By rejecting the request we avoid processing or returning entierly
wrong data.

Reviewed by:	imp, ken, markj, cem
Obtained from:	CheriBSD
MFC after:	1 week
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D14654
2018-03-12 22:58:07 +00:00
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