linux-kernel - Re: [PATCH 5/5] dnotify: Pass argument of fcntl

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Date:   Fri, 14 Apr 2023 14:34:22 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     Jan Kara <jack@...e.cz>
Cc:     Luca Vizzarro <Luca.Vizzarro@....com>,
        linux-kernel@...r.kernel.org,
        Kevin Brodsky <Kevin.Brodsky@....com>,
        Szabolcs Nagy <Szabolcs.Nagy@....com>,
        Theodore Ts'o <tytso@....edu>,
        David Laight <David.Laight@...LAB.com>,
        Mark Rutland <Mark.Rutland@....com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Jeff Layton <jlayton@...nel.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        linux-fsdevel@...r.kernel.org, Amir Goldstein <amir73il@...il.com>
Subject: Re: [PATCH 5/5] dnotify: Pass argument of fcntl_dirnotify as int

On Fri, Apr 14, 2023 at 12:46:25PM +0200, Jan Kara wrote:
> On Fri 14-04-23 11:02:12, Luca Vizzarro wrote:
> > The interface for fcntl expects the argument passed for the command
> > F_DIRNOTIFY to be of type int. The current code wrongly treats it as
> > a long. In order to avoid access to undefined bits, we should explicitly
> > cast the argument to int.
> > 
> > Cc: Kevin Brodsky <Kevin.Brodsky@....com>
> > Cc: Szabolcs Nagy <Szabolcs.Nagy@....com>
> > Cc: "Theodore Ts'o" <tytso@....edu>
> > Cc: David Laight <David.Laight@...LAB.com>
> > Cc: Mark Rutland <Mark.Rutland@....com>
> > Cc: Alexander Viro <viro@...iv.linux.org.uk>
> > Cc: Christian Brauner <brauner@...nel.org>
> > Cc: Jeff Layton <jlayton@...nel.org>
> > Cc: Chuck Lever <chuck.lever@...cle.com>
> > Cc: linux-fsdevel@...r.kernel.org
> > Cc: Jan Kara <jack@...e.cz>
> > Cc: Amir Goldstein <amir73il@...il.com>
> > Signed-off-by: Luca Vizzarro <Luca.Vizzarro@....com>
> 
> Looks good to me. Do you plan to merge this series together (perhaps
> Christian could?) or should I pick up the dnotify patch? In case someone
> else will merge the patch feel free to add:
> 
> Acked-by: Jan Kara <jack@...e.cz>

Yeah, I'm happy to carry it once it's reviewed if noone objects.