Re: FAILED: patch "[PATCH] batman-adv: Don't schedule OGM for disabled interface" failed to apply to 4.4-stable tree

[Sasha Levin <sashal@kernel.org>]

On Mon, Mar 16, 2020 at 02:45:12PM +0100, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.4-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 8e8ce08198de193e3d21d42e96945216e3d9ac7f Mon Sep 17 00:00:00 2001
>From: Sven Eckelmann <sven@narfation.org>
>Date: Sun, 16 Feb 2020 13:02:06 +0100
>Subject: [PATCH] batman-adv: Don't schedule OGM for disabled interface
>
>A transmission scheduling for an interface which is currently dropped by
>batadv_iv_ogm_iface_disable could still be in progress. The B.A.T.M.A.N. V
>is simply cancelling the workqueue item in an synchronous way but this is
>not possible with B.A.T.M.A.N. IV because the OGM submissions are
>intertwined.
>
>Instead it has to stop submitting the OGM when it detect that the buffer
>pointer is set to NULL.
>
>Reported-by: syzbot+a98f2016f40b9cd3818a@syzkaller.appspotmail.com
>Reported-by: syzbot+ac36b6a33c28a491e929@syzkaller.appspotmail.com
>Fixes: c6c8fea29769 ("net: Add batman-adv meshing protocol")
>Signed-off-by: Sven Eckelmann <sven@narfation.org>
>Cc: Hillf Danton <hdanton@sina.com>
>Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

Adjusted context and queued up for 4.4.

-- 
Thanks,
Sasha