mmap(2) with MAP_ANON honouring offset although it shouldn't

John Baldwin jhb at freebsd.org
Mon Nov 9 15:50:21 UTC 2009


On Saturday 07 November 2009 9:19:05 pm Alexander Best wrote:
> no problem. i've sent the final patch as followup to kern/71258 and also
> attached it to this message. to make it short. what's being changed by the
> patch:
> 
> 1) if MAP_ANON is defined and offset !=0  ====>  return EINVAL
> 2) if MAP_STACK is defined and offset !=0   ====>  offset = 0
> 
> would be great if you could have a look at the patch if you've got a spare
> minute.

I didn't think 2) changed?  I.e. both the old and new code do this, so only 1) 
is changing?

-- 
John Baldwin


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