If we pass just enough entries to KVM_GET_SUPPORTED_CPUID, we would still fail with -E2BIG due to wrong comparisons.
Cc: Avi Kivity <[email protected]> Cc: Marcelo Tosatti <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- arch/x86/kvm/x86.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9eff4af..83fef71 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2710,7 +2710,7 @@ static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, cpuid->nent); r = -E2BIG; - if (nent >= cpuid->nent) + if (nent > cpuid->nent) goto out_free; r = -EFAULT; -- 1.7.8.rc3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
