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KVM: x86: Sysexit emulation does not mask RIP/RSP
authorNadav Amit <namit@cs.technion.ac.il>
Thu, 18 Sep 2014 19:39:45 +0000 (22:39 +0300)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 3 Nov 2014 11:07:21 +0000 (12:07 +0100)
commitbf0b682c9b6a6d6d54adf439bfe953feef7be2e8
tree9e344bd659494bcfca3bfc5439fe21fec1dfa68atree | snapshot
parent58b7075d059f7d37ca86c76fb1446fa3447b9f4fcommit | diff
KVM: x86: Sysexit emulation does not mask RIP/RSP

If the operand size is not 64-bit, then the sysexit instruction should assign
ECX to RSP and EDX to RIP.  The current code assigns the full 64-bits.

Fix it by masking.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/emulate.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;