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[70.44.39.90]) by smtp.gmail.com with ESMTPSA id 199sm20696467qkm.126.2021.02.09.13.19.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Feb 2021 13:19:47 -0800 (PST) Date: Tue, 9 Feb 2021 16:19:46 -0500 From: Johannes Weiner To: Florian Fainelli Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, Jaegeuk Kim , Bradley Bolen , Vladimir Davydov , Michal Hocko , Andrew Morton , Linus Torvalds , Prakash Gupta , Michal Hocko , Vladimir Davydov , "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" , "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" Subject: Re: [PATCH stable 4.9] mm: memcontrol: fix NULL pointer crash in test_clear_page_writeback() Message-ID: References: <20210209202616.2257512-1-f.fainelli@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210209202616.2257512-1-f.fainelli@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 09, 2021 at 12:26:15PM -0800, Florian Fainelli wrote: > From: Johannes Weiner > > commit 739f79fc9db1b38f96b5a5109b247a650fbebf6d upstream ... > This patch is present in a downstream Android tree: > > https://source.mcwhirter.io/craige/bluecross/commit/d4a742865c6b69ef931694745ef54965d7c9966c > > and I happened to have stumbled across the same problem too. > > Johannes can you review it for correctness with respect to the 4.9 > kernel? Thanks! Looks good to me.