From: Alan Cox <alan@linux.intel.com>
Date: Wed, 22 Aug 2012 13:34:11 +0000 (+0100)
Subject: kvm: Fix nonsense handling of compat ioctl
X-Git-Tag: v3.6-rc4~2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=760a9a30adc558a75916a13902f38c6792fa8c4b;p=pandora-kernel.git

kvm: Fix nonsense handling of compat ioctl

KVM_SET_SIGNAL_MASK passed a NULL argument leaves the on stack signal
sets uninitialized. It then passes them through to
kvm_vcpu_ioctl_set_sigmask.

We should be passing a NULL in this case not translated garbage.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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