Re: Regression in 32-bit-compat TIOCGPTPEER ioctl due to 311fc65c9fb9c966bca8e6f3ff8132ce57344ab9

From: Greg Kroah-Hartman
Date: Thu Jan 17 2019 - 06:46:16 EST

On Wed, Jan 16, 2019 at 08:36:49AM +1300, Robert O'Callahan wrote:
> On Tue, Jan 15, 2019 at 8:25 PM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
> > Can you confirm this fixes it for you?
> Sorry --- I made a mistake. It looks like this is already fixed on
> master, by commit e21120383f2dce32312f63ffca145ff8a87d41f5 (though I
> don't think Al Viro knew he was fixing this bug). So, nothing to do
> here.

As you found a regression from 4.13 - 4.19, shouldn't we backport some
fix to the 4.14 and 4.19 kernels for this?


greg k-h