Messages in this thread | | | Date | Thu, 19 Mar 2020 10:52:59 -0700 | From | Sean Christopherson <> | Subject | Re: [PATCH] KVM: x86: remove bogus user-triggerable WARN_ON |
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On Thu, Mar 19, 2020 at 01:43:18PM -0400, Paolo Bonzini wrote: > The WARN_ON is essentially comparing a user-provided value with 0. It is > trivial to trigger it just by passing garbage to KVM_SET_CLOCK. Guests > can break if you do so, but if it hurts when you do like this just do not > do it. > > Reported-by: syzbot+00be5da1d75f1cc95f6b@syzkaller.appspotmail.com > Fixes: 9446e6fce0ab ("KVM: x86: fix WARN_ON check of an unsigned less than zero") > Cc: Sean Christopherson <sean.j.christopherson@intel.com> > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > ---
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
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