Hi,

libstore uses device_map with size and offset being null.  This triggers
INVALSZ in ds_mem_map (I think the third check fails, because 
trunc_page (offset + size - 1) underflows.

I am not sure if oskit-mach should allow such bogus mappings, or libstore
should try harder to provide proper values.

Note that a failure in maptime (when mapping from /dev/time) causes
all filesystems except the root filesystem to refuse to start, and probably
some other failures.

Thanks,
Marcus


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