Re: [RFC] [PATCH 2.6.37-rc5-tip 5/20] 5: Uprobes:register/unregister probes.

[Peter Zijlstra]

On Thu, 2011-01-27 at 15:55 +0530, Srikar Dronamraju wrote:
> 
> 
> If its not at the exact same location, then our third validation of
> checking that (vaddr == vma->vm_start + uprobe->offset)  should fail
> right?
> 
> Also should it be (vaddr == uprobe->offset + vma->vm_start -
> vma->pgoff << PAGE_SHIFT) ?

Yeah, although I just realized that ->offset should be a u64, since
pgoff is a unsigned long, we can have files up to 44 bit (assuming the
page-size is 12bits).

But yes, this matches the validation I mentioned.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/