[CRIU] Re: [PATCH v3 1/4] IPC: dump shared memory

[Pavel Emelyanov]

>>> +
>>>   #define VMA_AREA_NONE		(0<<   0)
>>>   #define VMA_AREA_REGULAR	(1<<   0)	/* Dumpable area */
>>>   #define VMA_AREA_STACK		(1<<   1)
>>> diff --git a/ipc_ns.c b/ipc_ns.c
>>> +}
>>> +
>>> +static int dump_ipc_shm_seg(int fd, int id, const struct shmid_ds *ds)
>> By now you should either place here check for the number of attaches should be zero
>> or implement dumping/restoring the attaches to tasks.
> 
> What for?

To make sure we do things properly. If we do know that we don't handle attached
segments we should deny dumping them.