Samba 3.6.4 tdb question

[Jeremy Allison]

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.

Jeremy.