Re: [Qemu-devel] [PATCH 0/4] some migration bugs

[Denis V. Lunev]

On 02/25/2017 10:31 PM, Vladimir Sementsov-Ogievskiy wrote:
> Hi all!
>
> Here are some migration related bugs, two about INACTIVE bdses and one
> use-after-free.
>
> I'm absolutely not sure, that these bugs should be fixed like I'm fixing,
> but problem definitely exists.
>
> Reset in stopped state is strange case, may be such usage should be
> restricted.
> About INACTIVE - looks like it should be a separate run-state, not only
> bdrv-flag.
> Situation with migration state, which is global, but is set/reset/changed
> in not controlled manner is not very good too..
>
> Vladimir Sementsov-Ogievskiy (4):
>   iotests: add migration corner cases test
>   qmp-cont: invalidate on RUN_STATE_PRELAUNCH
>   savevm: fix savevm after migration
>   migration: fix use-after-free of to_dst_file
>
>  block/snapshot.c           |  3 +-
>  migration/savevm.c         | 16 +++++++++++
>  qmp.c                      |  3 +-
>  tests/qemu-iotests/175     | 71 
> ++++++++++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/175.out |  5 ++++
>  tests/qemu-iotests/group   |  1 +
>  6 files changed, 97 insertions(+), 2 deletions(-)
>  create mode 100644 tests/qemu-iotests/175
>  create mode 100644 tests/qemu-iotests/175.out
>
guys, what about patches 1-3?

Den