RE: NULL dereference ? why not ?

["James Stevenson" <james@xxxxxxxx>]

Yes it can be valid. However there may be purpose to have data there and
accessibly but because it's a virtual address it may not have any data
mapped to it thus it is invalid.

> -----Original Message-----
> From: kernelnewbies-bounce@xxxxxxxxxxxx [mailto:kernelnewbies-
> bounce@xxxxxxxxxxxx] On Behalf Of Ramagudi Naziir
> Sent: 03 January 2007 10:22
> To: kernelnewbies
> Subject: NULL dereference ? why not ?
> 
> Hello.
> 
> I want to ask why NULL dereference is never valid.
> Why isn't it possible that an application will have some data at
> virtual address zero ?
> is it platform-specific issue or is it by-design in linux ?
> 
> Thank You
> naziir
> 
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