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Tue, 28 Mar 2023 09:56:03 -0700 (PDT) Received: from [192.168.1.128] ([38.15.45.1]) by smtp.gmail.com with ESMTPSA id j3-20020a92c203000000b0032627e754bbsm4704ilo.21.2023.03.28.09.56.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Mar 2023 09:56:02 -0700 (PDT) Message-ID: Date: Tue, 28 Mar 2023 10:56:02 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH] selftests: cgroup: Add 'malloc' failures checks in test_memcontrol Content-Language: en-US To: Roman Gushchin , Ivan Orlov Cc: hannes@cmpxchg.org, mhocko@kernel.org, shakeelb@google.com, muchun.song@linux.dev, tj@kernel.org, lizefan.x@bytedance.com, shuah@kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Shuah Khan References: <20230226131634.34366-1-ivan.orlov0322@gmail.com> From: Shuah Khan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: 315BF18000F X-Rspamd-Server: rspam01 X-Stat-Signature: qpr3cr8jhchsgwtbue8w6n77na4a6ceo X-HE-Tag: 1680022564-485457 X-HE-Meta: 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 VhzFpCIO 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2/27/23 11:15, Roman Gushchin wrote: > On Sun, Feb 26, 2023 at 04:16:33PM +0300, Ivan Orlov wrote: >> There are several 'malloc' calls in test_memcontrol, which can be >> unsuccessful. This patch will add 'malloc' failures checking to >> give more details about test's fail reasons and avoid possible >> undefined behavior during the future null dereference (like the >> one in alloc_anon_50M_check_swap function). >> >> Signed-off-by: Ivan Orlov > > Acked-by: Roman Gushchin > > Thanks! Thank you all. Applied to linux-kselftest next for Linux 6.4-rc1 thanks, -- Shuah