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: <CA+G9fYu+6A3pYQGs2rydYtHNSCf1t9+OTRqrZeCbpc2ARLx2zA@mail.gmail.com>
Date:   Tue, 5 Nov 2019 09:44:39 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Sasha Levin <sashal@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     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'

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].
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

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

Best regards
Naresh Kamboju