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/openbmc/linux/arch/x86/kvm/
H A Dmmu.hdiff 2f80d502d627f30257ba7e3655e71c373b7d1a5a Tue Dec 22 04:20:43 CST 2020 Paolo Bonzini <pbonzini@redhat.com> KVM: x86: fix shift out of bounds reported by UBSAN

Since we know that e >= s, we can reassociate the left shift,
changing the shifted number from 1 to 2 in exchange for
decreasing the right hand side by 1.

Reported-by: syzbot+e87846c48bf72bc85311@syzkaller.appspotmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>