Merge tag 'mem-staging-pull-request' of https://gitlab.com/peterx/qemu into staging

Memory pull for 10.2

- Peter's fix on flatview_access_allowed()
- Peter's fix on MR circular ref

# -----BEGIN PGP SIGNATURE-----
#
# iIgEABYKADAWIQS5GE3CDMRX2s990ak7X8zN86vXBgUCaMg4oxIccGV0ZXJ4QHJl
# ZGhhdC5jb20ACgkQO1/MzfOr1wYeLAD+LQ44LdRTjbdlAbDjSNnCorfEBFUmNysK
# St4ut4Z9ZzAA+gK8DO12zc41Oi51NaBdD+X0s94DCV4UFl4Cz1D8HoIF
# =hAUJ
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 15 Sep 2025 09:02:43 AM PDT
# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [unknown]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D  D1A9 3B5F CCCD F3AB D706

* tag 'mem-staging-pull-request' of https://gitlab.com/peterx/qemu:
  memory: Fix leaks due to owner-shared MRs circular references
  memory: Fix addr/len for flatview_access_allowed()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>