netdev - Re: [PATCH 4.19 000/306] 4.19.87-stable review

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Date:   Thu, 28 Nov 2019 08:56:54 -0700
From:   shuah <shuah@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>, patches@...nelci.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        lkft-triage@...ts.linaro.org,
        linux- stable <stable@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        jouni.hogander@...kie.com, "David S. Miller" <davem@...emloft.net>,
        lukas.bulwahn@...il.com, shuah <shuah@...nel.org>
Subject: Re: [PATCH 4.19 000/306] 4.19.87-stable review

On 11/28/19 12:36 AM, Greg Kroah-Hartman wrote:
> On Thu, Nov 28, 2019 at 12:23:41PM +0530, Naresh Kamboju wrote:
>> On Thu, 28 Nov 2019 at 02:25, Greg Kroah-Hartman
>> <gregkh@...uxfoundation.org> wrote:
>>>
>>> This is the start of the stable review cycle for the 4.19.87 release.
>>> There are 306 patches in this series, all will be posted as a response
>>> to this one.  If anyone has any issues with these being applied, please
>>> let me know.
>>>
>>> Responses should be made by Fri, 29 Nov 2019 20:18:09 +0000.
>>> Anything received after that time might be too late.
>>>
>>> The whole patch series can be found in one patch at:
>>>          https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.87-rc1.gz
>>> or in the git tree and branch at:
>>>          git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
>>> and the diffstat can be found below.
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> Kernel BUG noticed on x86_64 device while booting 4.19.87-rc1 kernel.
>>
>> The problematic patch is,
>>
>>> Jouni Hogander <jouni.hogander@...kie.com>
>>>      net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject
>>
>> And this kernel panic is been fixed by below patch,
>>
>> commit 48a322b6f9965b2f1e4ce81af972f0e287b07ed0
>> Author: Eric Dumazet <edumazet@...gle.com>
>> Date:   Wed Nov 20 19:19:07 2019 -0800
>>
>>      net-sysfs: fix netdev_queue_add_kobject() breakage
>>
>>      kobject_put() should only be called in error path.
>>
>>      Fixes: b8eb718348b8 ("net-sysfs: Fix reference count leak in
>> rx|netdev_queue_add_kobject")
>>      Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>>      Cc: Jouni Hogander <jouni.hogander@...kie.com>
>>      Signed-off-by: David S. Miller <davem@...emloft.net>
> 
> Now queued up, I'll push out -rc2 versions with this fix.
> 
> greg k-h
> 

Ran into this on my test system. I will try rc2.

thanks,
-- Shuah