KVM: x86: Gracefully handle __vmalloc() failure during VM allocation

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Check the result of __vmalloc() to avoid dereferencing a NULL pointer in
the event that allocation failres.

Fixes: d1e5b0e98e ("kvm: Make VM ioctl do valloc for some archs")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2020-01-26 16:41:11 -08:00 • committed by Paolo Bonzini

parent 168d918f26

commit d18b2f43b9

2 changed files with 8 additions and 0 deletions

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4

arch/x86/kvm/svm.c

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arch/x86/kvm/vmx/vmx.c

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