linux-kernel - Re: [PATCH] ucount: Fix wrong inotify ucounts in /proc/sys/user

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Date:   Tue, 7 Apr 2020 17:39:55 +0200
From:   Jan Kara <jack@...e.cz>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Jan Kara <jack@...e.cz>, Andrei Vagin <avagin@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org
Subject: Re: [PATCH] ucount: Fix wrong inotify ucounts in /proc/sys/user

On Tue 07-04-20 16:09:39, Thomas Gleixner wrote:
> Jan Kara <jack@...e.cz> writes:
> > Commit 769071ac9f20 "ns: Introduce Time Namespace" broke reporting of
> > inotify ucounts (max_inotify_instances, max_inotify_watches) in
> > /proc/sys/user because it has added UCOUNT_TIME_NAMESPACES into enum
> > ucount_type but didn't properly update reporting in
> > kernel/ucount.c:setup_userns_sysctls(). Update the reporting to fix the
> > issue and also add BUILD_BUG_ON to catch a similar problem in the
> > future.
> 
> Just merged that:
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=timers/urgent&id=eeec26d5da8248ea4e240b8795bb4364213d3247
> 
> Could you please send a patch with just the build bug on ?

Sure, will do.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR