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Handle a guest executing a vm instruction by trapping and raising an

Description

Handle a guest executing a vm instruction by trapping and raising an
undefined instruction exception. Previously we would exit the guest,
however an unprivileged user could execute these.

Found with: syzkaller
Reviewed by: araujo, tychon (previous version)
Approved by: re (kib)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D17192

Details

Committed
andrewSep 27 2018, 11:16 AM
Reviewer
araujo
Differential Revision
D17192: Handle the vm* instructions from a guest
Parents
rS338956: Provide refobj context when doing libmap substitution inside
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