Re: possible deadlock in mon_bin_vma_fault

[Pete Zaitcev]

On Wed, 20 Nov 2019 11:14:05 -0500 (EST)
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:

> As it happens, I spent a little time investigating this bug report just
> yesterday.  It seems to me that the easiest fix would be to disallow
> resizing the buffer while it is mapped by any users.  (Besides,
> allowing that seems like a bad idea in any case.)
> 
> Pete, does that seem reasonable to you?

Actually, please hold on a little, I think to think more about this.
The deadlock is between mon_bin_read and mon_bin_vma_fault.
To disallow resizing isn't going to fix _that_.

-- Pete