Re: [PATCH for 4.9 01/39] net: core: Prevent from dereferencing null pointer when releasing SKB

From: Levin, Alexander (Sasha Levin)
Date: Mon Sep 18 2017 - 10:32:32 EST


On Mon, Sep 18, 2017 at 10:13:21AM -0400, Sasha Levin wrote:
>On Mon, Sep 18, 2017 at 08:41:02AM +0200, Greg KH wrote:
>>On Mon, Sep 18, 2017 at 12:19:36AM +0000, Levin, Alexander (Sasha Levin) wrote:
>>>From: Myungho Jung <mhjungk@xxxxxxxxx>
>>>
>>>[ Upstream commit 9899886d5e8ec5b343b1efe44f185a0e68dc6454 ]
>>>
>>>Added NULL check to make __dev_kfree_skb_irq consistent with kfree
>>>family of functions.
>>>
>>>Link: https://urldefense.proofpoint.com/v2/url?u=https-3A__bugzilla.kernel.org_show-5Fbug.cgi-3Fid-3D195289&d=DwIBAg&c=udBTRvFvXC5Dhqg7UHpJlPps3mZ3LRxpb6__0PomBTQ&r=bUtaaC9mlBij4OjEG_D-KPul_335azYzfC4Rjgomobo&m=iXzciSQOaZF7sggj-m_1eQCbmqf43dsIy8ogFRdIvSE&s=kZBpt2uE3l0TtR50y0QmqJyb1Wp3A-FB-GVfkwnTgVI&e=
>>>
>>>Signed-off-by: Myungho Jung <mhjungk@xxxxxxxxx>
>>>Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
>>>Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
>>
>>Is this a different series from your original XX/59 patch series that
>>you feel is ready to go into the stable tree, or are you still asking
>>for review for these before they get submitted?
>
>This is a different series. Figured I'd do 2-3 in parallel to speed up things.

Sorry, just to clarify, I'm waiting for reviews on this one.

I'll improve the patch subject prefix next time to clearify that.

--

Thanks,
Sasha