| commit | e0135a104c52ccc977bc04a972bc889e0298b068 | [log] [tgz] |
|---|---|---|
| author | Paolo Bonzini <pbonzini@redhat.com> | Thu Jun 11 14:01:51 2020 -0400 |
| committer | Paolo Bonzini <pbonzini@redhat.com> | Thu Jun 11 14:02:02 2020 -0400 |
| tree | d2767c63e064f52559f792182767d77c1e5fd434 | |
| parent | cfb65c15d784d517b60b16ca917a42f68978740c [diff] |
KVM: x86: do not pass poisoned hva to __kvm_set_memory_region
__kvm_set_memory_region does not use the hva at all, so trying to
catch use-after-delete is pointless and, worse, it fails access_ok
now that we apply it to all memslots including private kernel ones.
This fixes an AVIC regression.
Fixes: 09d952c971a5 ("KVM: check userspace_addr for all memslots")
Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>