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Date: Fri, 6 Sep 2019 12:03:26 -0700 (PDT)
From: James Morris <>
To: Jeff Layton <>
cc: Mickaël Salaün <>,
        Florian Weimer <>,
        Mickaël Salaün <>,, Aleksa Sarai <>,
        Alexei Starovoitov <>, Al Viro <>,
        Andy Lutomirski <>,
        Christian Heimes <>,
        Daniel Borkmann <>,
        Eric Chiang <>, Jan Kara <>,
        Jann Horn <>, Jonathan Corbet <>,
        Kees Cook <>, Matthew Garrett <>,
        Matthew Wilcox <>,
        Michael Kerrisk <>,
        Mimi Zohar <>,
        Philippe Trébuchet <>,
        Scott Shell <>,
        Sean Christopherson <>,
        Shuah Khan <>, Song Liu <>,
        Steve Dower <>, Steve Grubb <>,
        Thibaut Sautereau <>,
        Vincent Strubel <>,
        Yves-Alexis Perez <>,,,,
Subject: Re: [PATCH v2 1/5] fs: Add support for an O_MAYEXEC flag on

On Fri, 6 Sep 2019, Jeff Layton wrote:

> The fact that open and openat didn't vet unknown flags is really a bug.
> Too late to fix it now, of course, and as Aleksa points out, we've
> worked around that in the past. Now though, we have a new openat2
> syscall on the horizon. There's little need to continue these sorts of
> hacks.
> New open flags really have no place in the old syscalls, IMO.

Agree here. It's unfortunate but a reality and Linus will reject any such 
changes which break existing userspace.

James Morris

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