wma 9141d11115 arm64: Fixing user space boudary checking in copyinout.S
Big buffer size could cause integer overflow and as a result
attempt to copy beyond VM_USERMAX_ADDRESS.

Fixing copyinstr boundary checking where compared value has been
overwritten by accident when setting fault handler.

Submitted by:          Dominik Ermel <der@semihalf.com>
Obtained from:         Semihalf
Sponsored by:          Cavium
Reviewed by:           kib
Differential Revision: https://reviews.freebsd.org/D5719
2016-03-24 13:28:33 +00:00
..