Samba 3.6.4 tdb question

Jeremy Allison jra at
Tue Jun 19 16:32:04 MDT 2012

On Tue, Jun 19, 2012 at 05:12:42PM -0400, Ira Cooper wrote:
> What if munmap failed?  That would explain what we are seeing.  I'm
> not sure anything in that stack touches the mmapped area until then.
> I checked the error handling around munmap and it looks like it could
> cause this exact error.   It leaves the map_ptr set.  (Look at
> tdb_unmap.)

That's true, but ASAIK it's undefined what state
the passed in pointer is left when munmap() fails.

The man pages imply it would only report failure
with EINVAL.


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