linux-kernel - Re: stable-rc-5.3.9-rc1: regressions detected - remove_proc_entry: removing non-empty directory 'net/dev

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Message-ID: <20191105073459.GB2588562@kroah.com>
Date:   Tue, 5 Nov 2019 08:34:59 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Sasha Levin <sashal@...nel.org>, lkft-triage@...ts.linaro.org,
        Dan Rue <dan.rue@...aro.org>, LTP List <ltp@...ts.linux.it>,
        open list <linux-kernel@...r.kernel.org>,
        Jan Stancek <jstancek@...hat.com>,
        Basil Eljuse <Basil.Eljuse@....com>, chrubis <chrubis@...e.cz>,
        mmarhefk@...hat.com, Netdev <netdev@...r.kernel.org>,
        linux- stable <stable@...r.kernel.org>
Subject: Re: stable-rc-5.3.9-rc1: regressions detected - remove_proc_entry:
 removing non-empty directory 'net/dev_snmp6', leaking at least 'lo'

On Tue, Nov 05, 2019 at 09:44:39AM +0530, Naresh Kamboju wrote:
> Hi Sasha and Greg,
> 
> On Mon, 4 Nov 2019 at 20:59, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
> >
> > Linux stable rc 5.3 branch running LTP reported following test failures.
> > While investigating these failures I have found this kernel warning
> > from boot console.
> > Please find detailed LTP output log in the bottom of this email.
> >
> > List of regression test cases:
> >   ltp-containers-tests:
> >     * netns_breakns_ip_ipv6_ioctl
> >     * netns_breakns_ip_ipv6_netlink
> >     * netns_breakns_ns_exec_ipv6_ioctl
> >     * netns_breakns_ns_exec_ipv6_netlink
> >     * netns_comm_ip_ipv6_ioctl
> >     * netns_comm_ip_ipv6_netlink
> >     * netns_comm_ns_exec_ipv6_ioctl
> >     * netns_comm_ns_exec_ipv6_netlink
> 
> These reported failures got fixed on latest stable-rc 5.3.y after
> dropping a patch [1].

What is the subject of the patch?

> The kernel warning is also gone now.
> 
> metadata:
>   git branch: linux-5.3.y
>   git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
>   git commit: 75c9913bbf6e9e64cb669236571e6af45cddfd68

The -rc tree is rebased all the time, can I get a "real" subject line to
get a chance to figure out what you are trying to refer to here?

> ref:
> [PATCH AUTOSEL 5.3 12/33] blackhole_netdev: fix syzkaller reported issue
> [1] https://lkml.org/lkml/2019/10/25/794

lore.kernel.org is much more reliable :)

thanks,

greg k-h