qemu-system-alpha crashes during migration

Host environment

• Operating system: RHEL 8.7
• OS/kernel version: 4.18.0-425.3.1.el8.x86_64
• Architecture: x86
• QEMU flavor: qemu-system-alpha
• QEMU version: master branch (commit 701ed348)

Emulated/Virtualized environment

• Operating system: none
• OS/kernel version: n/a
• Architecture: alpha

Description of problem

QEMU crashes (aborts) when trying to migrate with qemu-system-alpha.

qemu-system-alpha: migration/ram.c:874: pss_find_next_dirty: Assertion `pss->host_page_end' failed.

Steps to reproduce

1. Run ./qemu-system-alpha -incoming tcp:0:1234 in one terminal
2. Run ./qemu-system-alpha -monitor stdio in another terminal
3. Type migrate tcp:0:1234 in the HMP monitor