linux-kernel - [PATCH] KVM: VMX: fix incorrect operand

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 24 Oct 2011 15:21:20 +0800
From:	Zhao Jin <cronozhj@...il.com>
To:	avi@...hat.com, mtosatti@...hat.com
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH] KVM: VMX: fix incorrect operand

Should test save->ar for access rights.

Signed-off-by: Zhao Jin <cronozhj@...il.com>
---
 arch/x86/kvm/vmx.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e65a158..62086da 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2544,7 +2544,7 @@ static void fix_pmode_dataseg(int seg, struct kvm_save_segment *save)
 {
 	struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
 
-	if (vmcs_readl(sf->base) == save->base && (save->base & AR_S_MASK)) {
+	if (vmcs_readl(sf->base) == save->base && (save->ar & AR_S_MASK)) {
 		vmcs_write16(sf->selector, save->selector);
 		vmcs_writel(sf->base, save->base);
 		vmcs_write32(sf->limit, save->limit);
-- 
1.7.5.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/