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Wed, 26 Mar 2025 12:24:13 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE5UhoZ0GmEjNuQ4mGxCzC8Dkynp/HRZEvYqbRW1Hk3tatujaXIJHUQoRIRmj6q6lrFprgJbg== X-Received: by 2002:a05:620a:2403:b0:7c5:49e3:333f with SMTP id af79cd13be357-7c5eda7c9a6mr155655685a.36.1743017053430; Wed, 26 Mar 2025 12:24:13 -0700 (PDT) Received: from [172.20.3.205] ([99.209.85.25]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c5e9a22eaesm79891185a.68.2025.03.26.12.24.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Mar 2025 12:24:13 -0700 (PDT) Message-ID: Date: Wed, 26 Mar 2025 20:24:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] selftests/mm/cow: fix minor memory leak in child_vmsplice_memcmp_fn() To: Malaya Kumar Rout Cc: Andrew Morton , Shuah Khan , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250325182319.29352-1-malayarout91@gmail.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20250325182319.29352-1-malayarout91@gmail.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: BRVY0IMYuU4u92i79CaG501pRAWTTzksQsLgO1XN-kM_1743017054 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 72831180003 X-Stat-Signature: ct793q9qmgukgbro1mpwn1py3dx7wqtu X-Rspam-User: X-HE-Tag: 1743017058-256132 X-HE-Meta: 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 pvGQfR8o 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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: List-Subscribe: List-Unsubscribe: On 25.03.25 19:22, Malaya Kumar Rout wrote: > Static Analyis for cow.c: error > Exception branch exits without releasing memory 'old' and 'new' > > fix the issue by releasing the allocated memory. > > Signed-off-by: Malaya Kumar Rout > --- https://lore.kernel.org/linux-mm/20230404031256.78330-1-jiangfeng@kylinos.cn/ -- Cheers, David / dhildenb