device: 0.948
graphic: 0.936
socket: 0.895
semantic: 0.865
assembly: 0.862
instruction: 0.852
mistranslation: 0.814
network: 0.813
vnc: 0.669
KVM: 0.655
other: 0.563
boot: 0.474

commit: 4fe6d78 "virtio: postpone the execution of event_notifier_cleanup function" will cause vhost-user device crash

The new commit: 4fe6d78 break the existing vhost-user devices, such as vhost-user-scsi/blk and vhost-vsocks when exit the host driver,  kvm_io_ioeventfd_del will hit the abort().

Thanks for the bug report. Patch has now been reverted:
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=1ef8185a0613dd2ed2